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authorKeith Whitwell <[email protected]>2007-08-08 09:28:57 +0100
committerKeith Whitwell <[email protected]>2007-08-08 09:30:45 +0100
commit01c35b52a1fccbe4253a96b9c0506ef6c991e44f (patch)
treefd16af3036bf8333f8114f9eed15c6823f160965
parentddd30d8160dc7db5f24a5ac823fd1c64c43b50be (diff)
Checkpoint of a super-simplified i915 driver in the pipe model.
Doesn't yet compile, but when it does, it will only draw gouraud tris and even those will be as simple as possible. Needs some 'winsys' support also before that can happen.
Diffstat
-rw-r--r--src/mesa/pipe/i915simple/Makefile31
-rw-r--r--src/mesa/pipe/i915simple/i915_batch.h44
-rw-r--r--src/mesa/pipe/i915simple/i915_blit.c157
-rw-r--r--src/mesa/pipe/i915simple/i915_blit.h54
-rw-r--r--src/mesa/pipe/i915simple/i915_buffer.c121
-rw-r--r--src/mesa/pipe/i915simple/i915_clear.c55
-rw-r--r--src/mesa/pipe/i915simple/i915_context.c180
-rw-r--r--src/mesa/pipe/i915simple/i915_context.h122
-rw-r--r--src/mesa/pipe/i915simple/i915_debug.c337
-rw-r--r--src/mesa/pipe/i915simple/i915_debug.h39
-rw-r--r--src/mesa/pipe/i915simple/i915_prim_emit.c201
-rw-r--r--src/mesa/pipe/i915simple/i915_reg.h965
-rw-r--r--src/mesa/pipe/i915simple/i915_regions.c304
-rw-r--r--src/mesa/pipe/i915simple/i915_regions.h141
-rw-r--r--src/mesa/pipe/i915simple/i915_state.c238
-rw-r--r--src/mesa/pipe/i915simple/i915_state.h40
-rw-r--r--src/mesa/pipe/i915simple/i915_state_derived.c186
-rw-r--r--src/mesa/pipe/i915simple/i915_state_draw.c37
-rw-r--r--src/mesa/pipe/i915simple/i915_state_emit.c241
-rw-r--r--src/mesa/pipe/i915simple/i915_state_fragprog.c67
-rw-r--r--src/mesa/pipe/i915simple/i915_state_vertex.c145
-rw-r--r--src/mesa/pipe/i915simple/i915_surface.c52
-rw-r--r--src/mesa/pipe/i915simple/i915_winsys.h128
23 files changed, 3885 insertions, 0 deletions
diff --git a/src/mesa/pipe/i915simple/Makefile b/src/mesa/pipe/i915simple/Makefile
new file mode 100644
index 00000000000..4170349893c
--- /dev/null
+++ b/src/mesa/pipe/i915simple/Makefile
@@ -0,0 +1,31 @@
+
+TOP = ../../../..
+include $(TOP)/configs/current
+
+LIBNAME = i915simple
+
+DRIVER_SOURCES = \
+ i915_blit.c \
+ i915_buffer.c \
+ i915_clear.c \
+ i915_context.c \
+ i915_context.c \
+ i915_debug.c \
+ i915_regions.c \
+ i915_state.c \
+ i915_state_derived.c \
+ i915_state_emit.c \
+ i915_state_fragprog.c \
+ i915_prim_emit.c \
+ i915_surface.c
+
+C_SOURCES = \
+ $(COMMON_SOURCES) \
+ $(DRIVER_SOURCES)
+
+ASM_SOURCES =
+
+include ../Makefile.template
+
+symlinks:
+
diff --git a/src/mesa/pipe/i915simple/i915_batch.h b/src/mesa/pipe/i915simple/i915_batch.h
new file mode 100644
index 00000000000..77008eee140
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_batch.h
@@ -0,0 +1,44 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef I915_BATCH_H
+#define I915_BATCH_H
+
+#define BATCH_LOCALS
+
+#define BEGIN_BATCH( dwords, relocs ) \
+ i915->winsys->batch_start( i915->winsys, dwords, relocs )
+
+#define OUT_BATCH( dword ) \
+ i915->winsys->batch_dword( i915->winsys, dword )
+
+#define OUT_RELOC( buf, flags, delta ) \
+ i915->winsys->batch_reloc( i915->winsys, buf, flags, delta )
+
+#define ADVANCE_BATCH()
+
+#endif
diff --git a/src/mesa/pipe/i915simple/i915_blit.c b/src/mesa/pipe/i915simple/i915_blit.c
new file mode 100644
index 00000000000..c4eafa71d45
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_blit.c
@@ -0,0 +1,157 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include <stdio.h>
+
+#include "mtypes.h"
+
+#include "i915_context.h"
+#include "i915_winsys.h"
+#include "i915_blit.h"
+#include "i915_reg.h"
+#include "i915_batch.h"
+
+
+void
+i915_fill_blit(struct i915_context *i915,
+ GLuint cpp,
+ GLshort dst_pitch,
+ struct pipe_buffer_handle *dst_buffer,
+ GLuint dst_offset,
+ GLshort x, GLshort y,
+ GLshort w, GLshort h,
+ GLuint color)
+{
+ GLuint BR13, CMD;
+ BATCH_LOCALS;
+
+ dst_pitch *= cpp;
+
+ switch (cpp) {
+ case 1:
+ case 2:
+ case 3:
+ BR13 = dst_pitch | (0xF0 << 16) | (1 << 24);
+ CMD = XY_COLOR_BLT_CMD;
+ break;
+ case 4:
+ BR13 = dst_pitch | (0xF0 << 16) | (1 << 24) | (1 << 25);
+ CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
+ XY_COLOR_BLT_WRITE_RGB);
+ break;
+ default:
+ return;
+ }
+
+// DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
+// __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);
+
+
+ BEGIN_BATCH(6, 1);
+ OUT_BATCH(CMD);
+ OUT_BATCH(BR13);
+ OUT_BATCH((y << 16) | x);
+ OUT_BATCH(((y + h) << 16) | (x + w));
+ OUT_RELOC( dst_buffer, I915_BUFFER_ACCESS_WRITE, dst_offset);
+ OUT_BATCH(color);
+ ADVANCE_BATCH();
+}
+
+
+void
+i915_copy_blit( struct i915_context *i915,
+ GLuint cpp,
+ GLshort src_pitch,
+ struct pipe_buffer_handle *src_buffer,
+ GLuint src_offset,
+ GLshort dst_pitch,
+ struct pipe_buffer_handle *dst_buffer,
+ GLuint dst_offset,
+ GLshort src_x, GLshort src_y,
+ GLshort dst_x, GLshort dst_y,
+ GLshort w, GLshort h )
+{
+ GLuint CMD, BR13;
+ int dst_y2 = dst_y + h;
+ int dst_x2 = dst_x + w;
+ BATCH_LOCALS;
+
+
+ printf("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
+ __FUNCTION__,
+ src_buffer, src_pitch, src_offset, src_x, src_y,
+ dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h);
+
+ src_pitch *= cpp;
+ dst_pitch *= cpp;
+
+ switch (cpp) {
+ case 1:
+ case 2:
+ case 3:
+ BR13 = (((GLint) dst_pitch) & 0xffff) |
+ (0xCC << 16) | (1 << 24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
+ case 4:
+ BR13 =
+ (((GLint) dst_pitch) & 0xffff) |
+ (0xCC << 16) | (1 << 24) | (1 << 25);
+ CMD =
+ (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ break;
+ default:
+ return;
+ }
+
+ if (dst_y2 < dst_y ||
+ dst_x2 < dst_x) {
+ return;
+ }
+
+ /* Hardware can handle negative pitches but loses the ability to do
+ * proper overlapping blits in that case. We don't really have a
+ * need for either at this stage.
+ */
+ assert (dst_pitch > 0 && src_pitch > 0);
+
+
+ BEGIN_BATCH(8, 2);
+ OUT_BATCH(CMD);
+ OUT_BATCH(BR13);
+ OUT_BATCH((dst_y << 16) | dst_x);
+ OUT_BATCH((dst_y2 << 16) | dst_x2);
+ OUT_RELOC(dst_buffer, I915_BUFFER_ACCESS_WRITE, dst_offset);
+ OUT_BATCH((src_y << 16) | src_x);
+ OUT_BATCH(((GLint) src_pitch & 0xffff));
+ OUT_RELOC(src_buffer, I915_BUFFER_ACCESS_READ, src_offset);
+ ADVANCE_BATCH();
+}
+
+
diff --git a/src/mesa/pipe/i915simple/i915_blit.h b/src/mesa/pipe/i915simple/i915_blit.h
new file mode 100644
index 00000000000..b1131a005c3
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_blit.h
@@ -0,0 +1,54 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef I915_BLIT_H
+#define I915_BLIT_H
+
+#include "i915_context.h"
+
+extern void i915_copy_blit(struct i915_context *i915,
+ GLuint cpp,
+ GLshort src_pitch,
+ struct pipe_buffer_handle *src_buffer,
+ GLuint src_offset,
+ GLshort dst_pitch,
+ struct pipe_buffer_handle *dst_buffer,
+ GLuint dst_offset,
+ GLshort srcx, GLshort srcy,
+ GLshort dstx, GLshort dsty,
+ GLshort w, GLshort h );
+
+extern void i915_fill_blit(struct i915_context *i915,
+ GLuint cpp,
+ GLshort dst_pitch,
+ struct pipe_buffer_handle *dst_buffer,
+ GLuint dst_offset,
+ GLshort x, GLshort y,
+ GLshort w, GLshort h, GLuint color);
+
+
+#endif
diff --git a/src/mesa/pipe/i915simple/i915_buffer.c b/src/mesa/pipe/i915simple/i915_buffer.c
new file mode 100644
index 00000000000..eaaf3c1bebd
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_buffer.c
@@ -0,0 +1,121 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ */
+
+#include <stdlib.h>
+#include "i915_context.h"
+#include "i915_winsys.h"
+
+
+
+/* Most callbacks map direcly onto winsys operations at the moment,
+ * but this may change, especially as state_trackers and winsys's
+ * evolve in separate directions... Don't try and remove this yet.
+ */
+static struct pipe_buffer_handle *
+i915_create_buffer(struct pipe_context *pipe,
+ unsigned alignment,
+ unsigned flags)
+{
+ struct i915_context *i915 = i915_context( pipe );
+ return i915->winsys->create_buffer( i915->winsys, alignment );
+}
+
+static void *i915_buffer_map(struct pipe_context *pipe,
+ struct pipe_buffer_handle *buf,
+ unsigned flags )
+{
+ struct i915_context *i915 = i915_context( pipe );
+ return i915->winsys->buffer_map( i915->winsys, buf );
+}
+
+static void i915_buffer_unmap(struct pipe_context *pipe,
+ struct pipe_buffer_handle *buf)
+{
+ struct i915_context *i915 = i915_context( pipe );
+ i915->winsys->buffer_unmap( i915->winsys, buf );
+}
+
+static struct pipe_buffer_handle *
+i915_buffer_reference(struct pipe_context *pipe,
+ struct pipe_buffer_handle *buf)
+{
+ struct i915_context *i915 = i915_context( pipe );
+ return i915->winsys->buffer_reference( i915->winsys, buf );
+}
+
+static void i915_buffer_unreference(struct pipe_context *pipe,
+ struct pipe_buffer_handle **buf)
+{
+ struct i915_context *i915 = i915_context( pipe );
+ i915->winsys->buffer_unreference( i915->winsys, buf );
+}
+
+static void i915_buffer_data(struct pipe_context *pipe,
+ struct pipe_buffer_handle *buf,
+ unsigned size, const void *data )
+{
+ struct i915_context *i915 = i915_context( pipe );
+ i915->winsys->buffer_data( i915->winsys, buf, size, data );
+}
+
+static void i915_buffer_subdata(struct pipe_context *pipe,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ const void *data)
+{
+ struct i915_context *i915 = i915_context( pipe );
+ i915->winsys->buffer_subdata( i915->winsys, buf, offset, size, data );
+}
+
+static void i915_buffer_get_subdata(struct pipe_context *pipe,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ void *data)
+{
+ struct i915_context *i915 = i915_context( pipe );
+ i915->winsys->buffer_get_subdata( i915->winsys, buf, offset, size, data );
+}
+
+
+void
+i915_init_buffer_functions( struct i915_context *i915 )
+{
+ i915->pipe.create_buffer = i915_create_buffer;
+ i915->pipe.buffer_map = i915_buffer_map;
+ i915->pipe.buffer_unmap = i915_buffer_unmap;
+ i915->pipe.buffer_reference = i915_buffer_reference;
+ i915->pipe.buffer_unreference = i915_buffer_unreference;
+ i915->pipe.buffer_data = i915_buffer_data;
+ i915->pipe.buffer_subdata = i915_buffer_subdata;
+ i915->pipe.buffer_get_subdata = i915_buffer_get_subdata;
+}
diff --git a/src/mesa/pipe/i915simple/i915_clear.c b/src/mesa/pipe/i915simple/i915_clear.c
new file mode 100644
index 00000000000..11aa55b64be
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_clear.c
@@ -0,0 +1,55 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* Author:
+ * Brian Paul
+ */
+
+
+#include "pipe/p_defines.h"
+#include "i915_context.h"
+#include "i915_state.h"
+#include "colormac.h"
+
+
+/**
+ * Clear the given surface to the specified value.
+ * No masking, no scissor (clear entire buffer).
+ */
+void
+i915_clear(struct pipe_context *pipe, struct pipe_surface *ps,
+ GLuint clearValue)
+{
+ GLint x, y, w, h;
+
+ x = 0;
+ y = 0;
+ w = ps->width;
+ h = ps->height;
+
+ pipe->region_fill(pipe, ps->region, 0, x, y, w, h, clearValue);
+}
diff --git a/src/mesa/pipe/i915simple/i915_context.c b/src/mesa/pipe/i915simple/i915_context.c
new file mode 100644
index 00000000000..1a21e931ae0
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_context.c
@@ -0,0 +1,180 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "main/imports.h" /* CALLOC */
+#include "i915_context.h"
+#include "i915_winsys.h"
+#include "i915_state.h"
+
+#include "pipe/draw/draw_context.h"
+#include "pipe/p_defines.h"
+
+
+
+/**
+ * Return list of supported surface/texture formats.
+ * If we find texture and drawable support differs, add a selector
+ * parameter or another function.
+ */
+static const GLuint *
+i915_supported_formats(struct pipe_context *pipe,
+// GLuint type,
+ GLuint *numFormats)
+{
+#if 0
+ static const GLuint tex_supported[] = {
+ PIPE_FORMAT_U_R8_G8_B8_A8,
+ PIPE_FORMAT_U_A8_R8_G8_B8,
+ PIPE_FORMAT_U_R5_G6_B5,
+ PIPE_FORMAT_U_L8,
+ PIPE_FORMAT_U_A8,
+ PIPE_FORMAT_U_I8,
+ PIPE_FORMAT_U_L8_A8,
+ PIPE_FORMAT_YCBCR,
+ PIPE_FORMAT_YCBCR_REV,
+ PIPE_FORMAT_S8_Z24,
+ };
+
+
+ /* Actually a lot more than this - add later:
+ */
+ static const GLuint render_supported[] = {
+ PIPE_FORMAT_U_A8_R8_G8_B8,
+ PIPE_FORMAT_U_R5_G6_B5,
+ };
+
+ /*
+ */
+ static const GLuint z_stencil_supported[] = {
+ PIPE_FORMAT_U_Z16,
+ PIPE_FORMAT_U_Z32,
+ PIPE_FORMAT_S8_Z24,
+ };
+
+ switch (type) {
+ case PIPE_RENDER_FORMAT:
+ *numFormats = Elements(render_supported);
+ return render_supported;
+
+ case PIPE_TEX_FORMAT:
+ *numFormats = Elements(tex_supported);
+ return render_supported;
+
+ case PIPE_Z_STENCIL_FORMAT:
+ *numFormats = Elements(render_supported);
+ return render_supported;
+
+ default:
+ *numFormats = 0;
+ return NULL;
+ }
+#else
+ static const GLuint render_supported[] = {
+ PIPE_FORMAT_U_A8_R8_G8_B8,
+ PIPE_FORMAT_U_R5_G6_B5,
+ PIPE_FORMAT_S8_Z24,
+ };
+ *numFormats = 2;
+ return render_supported;
+#endif
+}
+
+
+
+static void i915_destroy( struct pipe_context *pipe )
+{
+ struct i915_context *i915 = i915_context( pipe );
+
+ draw_destroy( i915->draw );
+
+ free( i915 );
+}
+
+static void i915_draw_vb( struct pipe_context *pipe,
+ struct vertex_buffer *VB )
+{
+ struct i915_context *i915 = i915_context( pipe );
+
+// if (i915->dirty)
+// i915_update_derived( i915 );
+
+ draw_vb( i915->draw, VB );
+}
+
+
+static void
+i915_draw_vertices(struct pipe_context *pipe,
+ GLuint mode,
+ GLuint numVertex, const GLfloat *verts,
+ GLuint numAttribs, const GLuint attribs[])
+{
+ struct i915_context *i915 = i915_context( pipe );
+
+ if (i915->dirty)
+ i915_update_derived( i915 );
+
+ draw_vertices(i915->draw, mode, numVertex, verts, numAttribs, attribs);
+}
+
+
+
+
+struct pipe_context *i915_create( struct i915_winsys *winsys )
+{
+ struct i915_context *i915 = CALLOC_STRUCT(i915_context);
+
+ i915->pipe.destroy = i915_destroy;
+
+ i915->pipe.supported_formats = i915_supported_formats;
+
+ i915->pipe.draw_vb = i915_draw_vb;
+ i915->pipe.draw_vertices = i915_draw_vertices;
+ i915->pipe.clear = i915_clear;
+ i915->pipe.reset_occlusion_counter = NULL; /* no support */
+ i915->pipe.get_occlusion_counter = NULL;
+
+ i915->winsys = winsys;
+
+ /*
+ * Create drawing context and plug our rendering stage into it.
+ */
+ i915->draw = draw_create();
+ assert(i915->draw);
+ draw_set_setup_stage(i915->draw, i915_draw_render_stage(i915));
+
+ i915_init_buffer_functions(i915);
+ i915_init_region_functions(i915);
+ i915_init_surface_functions(i915);
+
+ /*
+ * XXX we could plug GL selection/feedback into the drawing pipeline
+ * by specifying a different setup/render stage.
+ */
+
+ return &i915->pipe;
+}
+
diff --git a/src/mesa/pipe/i915simple/i915_context.h b/src/mesa/pipe/i915simple/i915_context.h
new file mode 100644
index 00000000000..060997bfa43
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_context.h
@@ -0,0 +1,122 @@
+ /**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef I915_CONTEXT_H
+#define I915_CONTEXT_H
+
+
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+struct i915_context
+{
+ struct pipe_context pipe;
+ struct i915_winsys *winsys;
+ struct draw_context *draw;
+
+ /* The most recent drawing state as set by the driver:
+ */
+ struct pipe_alpha_test_state alpha_test;
+ struct pipe_blend_state blend;
+ struct pipe_blend_color blend_color;
+ struct pipe_clear_color_state clear_color;
+ struct pipe_clip_state clip;
+ struct pipe_depth_state depth_test;
+ struct pipe_framebuffer_state framebuffer;
+ struct pipe_fs_state fs;
+ struct pipe_poly_stipple poly_stipple;
+ struct pipe_scissor_state scissor;
+ struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
+ struct pipe_setup_state setup;
+ struct pipe_stencil_state stencil;
+ struct pipe_texture_object *texture[PIPE_MAX_SAMPLERS];
+ struct pipe_viewport_state viewport;
+ GLuint dirty;
+
+ struct pipe_scissor_state cliprect;
+
+};
+
+#define I915_NEW_VIEWPORT 0x1
+#define I915_NEW_SETUP 0x2
+#define I915_NEW_FS 0x4
+#define I915_NEW_BLEND 0x8
+#define I915_NEW_CLIP 0x10
+#define I915_NEW_SCISSOR 0x20
+#define I915_NEW_STIPPLE 0x40
+#define I915_NEW_FRAMEBUFFER 0x80
+#define I915_NEW_ALPHA_TEST 0x100
+#define I915_NEW_DEPTH_TEST 0x200
+#define I915_NEW_SAMPLER 0x400
+#define I915_NEW_TEXTURE 0x800
+#define I915_NEW_STENCIL 0x1000
+
+
+/***********************************************************************
+ * i915_prim_emit.c:
+ */
+struct draw_stage *i915_draw_render_stage( struct i915_context *i915 );
+
+
+/***********************************************************************
+ * i915_state_emit.c:
+ */
+void i915_emit_hardware_state(struct i915_context *i915 );
+unsigned *i915_passthrough_program( unsigned *dwords );
+
+
+
+/***********************************************************************
+ * i915_clear.c:
+ */
+void i915_clear(struct pipe_context *pipe, struct pipe_surface *ps,
+ GLuint clearValue);
+
+
+/***********************************************************************
+ * i915_buffer.c:
+ */
+void i915_init_buffer_functions( struct i915_context *i915 );
+void i915_init_region_functions( struct i915_context *i915 );
+void i915_init_surface_functions( struct i915_context *i915 );
+void i915_init_state_functions( struct i915_context *i915 );
+
+
+
+/***********************************************************************
+ * Inline conversion functions. These are better-typed than the
+ * macros used previously:
+ */
+static INLINE struct i915_context *
+i915_context( struct pipe_context *pipe )
+{
+ return (struct i915_context *)pipe;
+}
+
+
+
+#endif
diff --git a/src/mesa/pipe/i915simple/i915_debug.c b/src/mesa/pipe/i915simple/i915_debug.c
new file mode 100644
index 00000000000..8d80590396b
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_debug.c
@@ -0,0 +1,337 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <stdio.h>
+#include <assert.h>
+
+#include "i915_reg.h"
+#include "i915_debug.h"
+
+
+
+static const char *opcodes[0x20] = {
+ "NOP",
+ "ADD",
+ "MOV",
+ "MUL",
+ "MAD",
+ "DP2ADD",
+ "DP3",
+ "DP4",
+ "FRC",
+ "RCP",
+ "RSQ",
+ "EXP",
+ "LOG",
+ "CMP",
+ "MIN",
+ "MAX",
+ "FLR",
+ "MOD",
+ "TRC",
+ "SGE",
+ "SLT",
+ "TEXLD",
+ "TEXLDP",
+ "TEXLDB",
+ "TEXKILL",
+ "DCL",
+ "0x1a",
+ "0x1b",
+ "0x1c",
+ "0x1d",
+ "0x1e",
+ "0x1f",
+};
+
+
+static const int args[0x20] = {
+ 0, /* 0 nop */
+ 2, /* 1 add */
+ 1, /* 2 mov */
+ 2, /* 3 m ul */
+ 3, /* 4 mad */
+ 3, /* 5 dp2add */
+ 2, /* 6 dp3 */
+ 2, /* 7 dp4 */
+ 1, /* 8 frc */
+ 1, /* 9 rcp */
+ 1, /* a rsq */
+ 1, /* b exp */
+ 1, /* c log */
+ 3, /* d cmp */
+ 2, /* e min */
+ 2, /* f max */
+ 1, /* 10 flr */
+ 1, /* 11 mod */
+ 1, /* 12 trc */
+ 2, /* 13 sge */
+ 2, /* 14 slt */
+ 1,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+};
+
+
+static const char *regname[0x8] = {
+ "R",
+ "T",
+ "CONST",
+ "S",
+ "OC",
+ "OD",
+ "U",
+ "UNKNOWN",
+};
+
+static void
+print_reg_type_nr(unsigned type, unsigned nr)
+{
+ switch (type) {
+ case REG_TYPE_T:
+ switch (nr) {
+ case T_DIFFUSE:
+ fprintf(stderr, "T_DIFFUSE");
+ return;
+ case T_SPECULAR:
+ fprintf(stderr, "T_SPECULAR");
+ return;
+ case T_FOG_W:
+ fprintf(stderr, "T_FOG_W");
+ return;
+ default:
+ fprintf(stderr, "T_TEX%d", nr);
+ return;
+ }
+ case REG_TYPE_OC:
+ if (nr == 0) {
+ fprintf(stderr, "oC");
+ return;
+ }
+ break;
+ case REG_TYPE_OD:
+ if (nr == 0) {
+ fprintf(stderr, "oD");
+ return;
+ }
+ break;
+ default:
+ break;
+ }
+
+ fprintf(stderr, "%s[%d]", regname[type], nr);
+}
+
+#define REG_SWIZZLE_MASK 0x7777
+#define REG_NEGATE_MASK 0x8888
+
+#define REG_SWIZZLE_XYZW ((SRC_X << A2_SRC2_CHANNEL_X_SHIFT) | \
+ (SRC_Y << A2_SRC2_CHANNEL_Y_SHIFT) | \
+ (SRC_Z << A2_SRC2_CHANNEL_Z_SHIFT) | \
+ (SRC_W << A2_SRC2_CHANNEL_W_SHIFT))
+
+
+static void
+print_reg_neg_swizzle(unsigned reg)
+{
+ int i;
+
+ if ((reg & REG_SWIZZLE_MASK) == REG_SWIZZLE_XYZW &&
+ (reg & REG_NEGATE_MASK) == 0)
+ return;
+
+ fprintf(stderr, ".");
+
+ for (i = 3; i >= 0; i--) {
+ if (reg & (1 << ((i * 4) + 3)))
+ fprintf(stderr, "-");
+
+ switch ((reg >> (i * 4)) & 0x7) {
+ case 0:
+ fprintf(stderr, "x");
+ break;
+ case 1:
+ fprintf(stderr, "y");
+ break;
+ case 2:
+ fprintf(stderr, "z");
+ break;
+ case 3:
+ fprintf(stderr, "w");
+ break;
+ case 4:
+ fprintf(stderr, "0");
+ break;
+ case 5:
+ fprintf(stderr, "1");
+ break;
+ default:
+ fprintf(stderr, "?");
+ break;
+ }
+ }
+}
+
+
+static void
+print_src_reg(unsigned dword)
+{
+ unsigned nr = (dword >> A2_SRC2_NR_SHIFT) & REG_NR_MASK;
+ unsigned type = (dword >> A2_SRC2_TYPE_SHIFT) & REG_TYPE_MASK;
+ print_reg_type_nr(type, nr);
+ print_reg_neg_swizzle(dword);
+}
+
+void
+i915_print_ureg(const char *msg, unsigned ureg)
+{
+ fprintf(stderr, "%s: ", msg);
+ print_src_reg(ureg >> 8);
+ fprintf(stderr, "\n");
+}
+
+static void
+print_dest_reg(unsigned dword)
+{
+ unsigned nr = (dword >> A0_DEST_NR_SHIFT) & REG_NR_MASK;
+ unsigned type = (dword >> A0_DEST_TYPE_SHIFT) & REG_TYPE_MASK;
+ print_reg_type_nr(type, nr);
+ if ((dword & A0_DEST_CHANNEL_ALL) == A0_DEST_CHANNEL_ALL)
+ return;
+ fprintf(stderr, ".");
+ if (dword & A0_DEST_CHANNEL_X)
+ fprintf(stderr, "x");
+ if (dword & A0_DEST_CHANNEL_Y)
+ fprintf(stderr, "y");
+ if (dword & A0_DEST_CHANNEL_Z)
+ fprintf(stderr, "z");
+ if (dword & A0_DEST_CHANNEL_W)
+ fprintf(stderr, "w");
+}
+
+
+#define GET_SRC0_REG(r0, r1) ((r0<<14)|(r1>>A1_SRC0_CHANNEL_W_SHIFT))
+#define GET_SRC1_REG(r0, r1) ((r0<<8)|(r1>>A2_SRC1_CHANNEL_W_SHIFT))
+#define GET_SRC2_REG(r) (r)
+
+
+static void
+print_arith_op(unsigned opcode, const unsigned * program)
+{
+ if (opcode != A0_NOP) {
+ print_dest_reg(program[0]);
+ if (program[0] & A0_DEST_SATURATE)
+ fprintf(stderr, " = SATURATE ");
+ else
+ fprintf(stderr, " = ");
+ }
+
+ fprintf(stderr, "%s ", opcodes[opcode]);
+
+ print_src_reg(GET_SRC0_REG(program[0], program[1]));
+ if (args[opcode] == 1) {
+ fprintf(stderr, "\n");
+ return;
+ }
+
+ fprintf(stderr, ", ");
+ print_src_reg(GET_SRC1_REG(program[1], program[2]));
+ if (args[opcode] == 2) {
+ fprintf(stderr, "\n");
+ return;
+ }
+
+ fprintf(stderr, ", ");
+ print_src_reg(GET_SRC2_REG(program[2]));
+ fprintf(stderr, "\n");
+ return;
+}
+
+
+static void
+print_tex_op(unsigned opcode, const unsigned * program)
+{
+ print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
+ fprintf(stderr, " = ");
+
+ fprintf(stderr, "%s ", opcodes[opcode]);
+
+ fprintf(stderr, "S[%d],", program[0] & T0_SAMPLER_NR_MASK);
+
+ print_reg_type_nr((program[1] >> T1_ADDRESS_REG_TYPE_SHIFT) &
+ REG_TYPE_MASK,
+ (program[1] >> T1_ADDRESS_REG_NR_SHIFT) & REG_NR_MASK);
+ fprintf(stderr, "\n");
+}
+
+static void
+print_dcl_op(unsigned opcode, const unsigned * program)
+{
+ fprintf(stderr, "%s ", opcodes[opcode]);
+ print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
+ fprintf(stderr, "\n");
+}
+
+
+void
+i915_disassemble_program(const unsigned * program, unsigned sz)
+{
+ unsigned size = program[0] & 0x1ff;
+ unsigned i;
+
+ fprintf(stderr, "BEGIN\n");
+
+ if (size + 2 != sz) {
+ fprintf(stderr, "%s: program size mismatch %d/%d\n", __FUNCTION__,
+ size + 2, sz);
+ assert(0);
+ }
+
+ program++;
+ for (i = 1; i < sz; i += 3, program += 3) {
+ unsigned opcode = program[0] & (0x1f << 24);
+
+ if ((unsigned) opcode >= A0_NOP && opcode <= A0_SLT)
+ print_arith_op(opcode >> 24, program);
+ else if (opcode >= T0_TEXLD && opcode <= T0_TEXKILL)
+ print_tex_op(opcode >> 24, program);
+ else if (opcode == D0_DCL)
+ print_dcl_op(opcode >> 24, program);
+ else
+ fprintf(stderr, "Unknown opcode 0x%x\n", opcode);
+ }
+
+ fprintf(stderr, "END\n\n");
+}
diff --git a/src/mesa/pipe/i915simple/i915_debug.h b/src/mesa/pipe/i915simple/i915_debug.h
new file mode 100644
index 00000000000..47a02401eee
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_debug.h
@@ -0,0 +1,39 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* Authors: Keith Whitwell <[email protected]>
+ */
+
+#ifndef I915_DEBUG_H
+#define I915_DEBUG_H
+
+
+extern void i915_disassemble_program(const unsigned *program, unsigned sz);
+extern void i915_print_ureg(const char *msg, unsigned ureg);
+
+
+#endif
diff --git a/src/mesa/pipe/i915simple/i915_prim_emit.c b/src/mesa/pipe/i915simple/i915_prim_emit.c
new file mode 100644
index 00000000000..97e337451e6
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_prim_emit.c
@@ -0,0 +1,201 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "imports.h"
+#include "macros.h"
+
+#include "pipe/draw/draw_private.h"
+
+#include "i915_context.h"
+#include "i915_winsys.h"
+#include "i915_reg.h"
+#include "i915_state.h"
+
+
+
+/**
+ * Primitive emit to hardware. No support for vertex buffers or any
+ * nice fast paths.
+ */
+struct setup_stage {
+ struct draw_stage stage; /**< This must be first (base class) */
+
+ struct i915_context *i915;
+};
+
+
+
+/**
+ * Basically a cast wrapper.
+ */
+static INLINE struct setup_stage *setup_stage( struct draw_stage *stage )
+{
+ return (struct setup_stage *)stage;
+}
+
+static inline unsigned pack_ub4( unsigned char b0,
+ unsigned char b1,
+ unsigned char b2,
+ unsigned char b3 )
+{
+ return ((((unsigned int)b0) << 0) |
+ (((unsigned int)b1) << 8) |
+ (((unsigned int)b2) << 16) |
+ (((unsigned int)b3) << 24));
+}
+
+static inline unsigned fui( float f )
+{
+ union {
+ float f;
+ unsigned ui;
+ } fi;
+
+ fi.f = f;
+ return fi.ui;
+}
+
+static inline unsigned char float_to_ubyte( float f )
+{
+ unsigned char ub;
+ UNCLAMPED_FLOAT_TO_UBYTE(ub, f);
+ return ub;
+}
+
+
+/* Hardcoded vertex format: xyz/rgba
+ */
+static inline void
+emit_hw_vertex( unsigned *ptr,
+ struct vertex_header *vertex )
+{
+ ptr[0] = fui( vertex->data[0][0] );
+ ptr[1] = fui( vertex->data[0][1] );
+ ptr[2] = fui( vertex->data[0][2] );
+
+ ptr[3] = pack_ub4( float_to_ubyte( vertex->data[1][0] ),
+ float_to_ubyte( vertex->data[1][1] ),
+ float_to_ubyte( vertex->data[1][2] ),
+ float_to_ubyte( vertex->data[1][3] ) );
+}
+
+
+
+
+static inline void
+emit_prim( struct draw_stage *stage,
+ struct prim_header *prim,
+ unsigned hwprim,
+ unsigned nr )
+{
+ struct i915_context *i915 = setup_stage(stage)->i915;
+ struct i915_winsys *winsys = i915->winsys;
+ unsigned vertex_size = 4 * sizeof(int);
+ unsigned *ptr;
+ unsigned i;
+
+ i915_emit_hardware_state( i915 );
+
+ ptr = winsys->batch_start( winsys, nr * vertex_size, 0 );
+ if (ptr == 0) {
+ winsys->batch_flush( winsys );
+ ptr = winsys->batch_start( winsys, nr * vertex_size, 0 );
+ if (ptr == 0) {
+ assert(0);
+ return;
+ }
+ }
+
+ /* Emit each triangle as a single primitive. I told you this was
+ * simple.
+ */
+ *ptr++ = (_3DPRIMITIVE |
+ hwprim |
+ ((4 + vertex_size * nr)/4 - 2));
+
+ for (i = 0; i < nr; i++) {
+ emit_hw_vertex(ptr, prim->v[i]);
+ ptr += vertex_size / sizeof(int);
+ }
+}
+
+
+static void
+setup_tri( struct draw_stage *stage, struct prim_header *prim )
+{
+ emit_prim( stage, prim, PRIM3D_TRILIST, 3 );
+}
+
+
+static void
+setup_line(struct draw_stage *stage, struct prim_header *prim)
+{
+ emit_prim( stage, prim, PRIM3D_LINELIST, 2 );
+}
+
+
+static void
+setup_point(struct draw_stage *stage, struct prim_header *prim)
+{
+ emit_prim( stage, prim, PRIM3D_POINTLIST, 1 );
+}
+
+
+
+static void setup_begin( struct draw_stage *stage )
+{
+}
+
+
+static void setup_end( struct draw_stage *stage )
+{
+}
+
+static void reset_stipple_counter( struct draw_stage *stage )
+{
+}
+
+
+/**
+ * Create a new primitive setup/render stage.
+ */
+struct draw_stage *i915_draw_render_stage( struct i915_context *i915 )
+{
+ struct setup_stage *setup = CALLOC_STRUCT(setup_stage);
+
+ setup->i915 = i915;
+ setup->stage.draw = i915->draw;
+ setup->stage.begin = setup_begin;
+ setup->stage.point = setup_point;
+ setup->stage.line = setup_line;
+ setup->stage.tri = setup_tri;
+ setup->stage.end = setup_end;
+ setup->stage.reset_stipple_counter = reset_stipple_counter;
+
+ return &setup->stage;
+}
diff --git a/src/mesa/pipe/i915simple/i915_reg.h b/src/mesa/pipe/i915simple/i915_reg.h
new file mode 100644
index 00000000000..0776b75ef92
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_reg.h
@@ -0,0 +1,965 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#ifndef I915_REG_H
+#define I915_REG_H
+
+
+#define I915_SET_FIELD( var, mask, value ) (var &= ~(mask), var |= value)
+
+#define CMD_3D (0x3<<29)
+
+#define PRIM3D_INLINE (CMD_3D | (0x1f<<24))
+#define PRIM3D_TRILIST (0x0<<18)
+#define PRIM3D_TRISTRIP (0x1<<18)
+#define PRIM3D_TRISTRIP_RVRSE (0x2<<18)
+#define PRIM3D_TRIFAN (0x3<<18)
+#define PRIM3D_POLY (0x4<<18)
+#define PRIM3D_LINELIST (0x5<<18)
+#define PRIM3D_LINESTRIP (0x6<<18)
+#define PRIM3D_RECTLIST (0x7<<18)
+#define PRIM3D_POINTLIST (0x8<<18)
+#define PRIM3D_DIB (0x9<<18)
+#define PRIM3D_CLEAR_RECT (0xa<<18)
+#define PRIM3D_ZONE_INIT (0xd<<18)
+#define PRIM3D_MASK (0x1f<<18)
+
+/* p137 */
+#define _3DSTATE_AA_CMD (CMD_3D | (0x06<<24))
+#define AA_LINE_ECAAR_WIDTH_ENABLE (1<<16)
+#define AA_LINE_ECAAR_WIDTH_0_5 0
+#define AA_LINE_ECAAR_WIDTH_1_0 (1<<14)
+#define AA_LINE_ECAAR_WIDTH_2_0 (2<<14)
+#define AA_LINE_ECAAR_WIDTH_4_0 (3<<14)
+#define AA_LINE_REGION_WIDTH_ENABLE (1<<8)
+#define AA_LINE_REGION_WIDTH_0_5 0
+#define AA_LINE_REGION_WIDTH_1_0 (1<<6)
+#define AA_LINE_REGION_WIDTH_2_0 (2<<6)
+#define AA_LINE_REGION_WIDTH_4_0 (3<<6)
+
+/* 3DSTATE_BACKFACE_STENCIL_OPS, p138*/
+#define _3DSTATE_BACKFACE_STENCIL_OPS (CMD_3D | (0x8<<24))
+#define BFO_ENABLE_STENCIL_REF (1<<23)
+#define BFO_STENCIL_REF_SHIFT 15
+#define BFO_STENCIL_REF_MASK (0xff<<15)
+#define BFO_ENABLE_STENCIL_FUNCS (1<<14)
+#define BFO_STENCIL_TEST_SHIFT 11
+#define BFO_STENCIL_TEST_MASK (0x7<<11)
+#define BFO_STENCIL_FAIL_SHIFT 8
+#define BFO_STENCIL_FAIL_MASK (0x7<<8)
+#define BFO_STENCIL_PASS_Z_FAIL_SHIFT 5
+#define BFO_STENCIL_PASS_Z_FAIL_MASK (0x7<<5)
+#define BFO_STENCIL_PASS_Z_PASS_SHIFT 2
+#define BFO_STENCIL_PASS_Z_PASS_MASK (0x7<<2)
+#define BFO_ENABLE_STENCIL_TWO_SIDE (1<<1)
+#define BFO_STENCIL_TWO_SIDE (1<<0)
+
+
+/* 3DSTATE_BACKFACE_STENCIL_MASKS, p140 */
+#define _3DSTATE_BACKFACE_STENCIL_MASKS (CMD_3D | (0x9<<24))
+#define BFM_ENABLE_STENCIL_TEST_MASK (1<<17)
+#define BFM_ENABLE_STENCIL_WRITE_MASK (1<<16)
+#define BFM_STENCIL_TEST_MASK_SHIFT 8
+#define BFM_STENCIL_TEST_MASK_MASK (0xff<<8)
+#define BFM_STENCIL_WRITE_MASK_SHIFT 0
+#define BFM_STENCIL_WRITE_MASK_MASK (0xff<<0)
+
+
+
+/* 3DSTATE_BIN_CONTROL p141 */
+
+/* p143 */
+#define _3DSTATE_BUF_INFO_CMD (CMD_3D | (0x1d<<24) | (0x8e<<16) | 1)
+/* Dword 1 */
+#define BUF_3D_ID_COLOR_BACK (0x3<<24)
+#define BUF_3D_ID_DEPTH (0x7<<24)
+#define BUF_3D_USE_FENCE (1<<23)
+#define BUF_3D_TILED_SURFACE (1<<22)
+#define BUF_3D_TILE_WALK_X 0
+#define BUF_3D_TILE_WALK_Y (1<<21)
+#define BUF_3D_PITCH(x) (((x)/4)<<2)
+/* Dword 2 */
+#define BUF_3D_ADDR(x) ((x) & ~0x3)
+
+
+/* 3DSTATE_CHROMA_KEY */
+
+/* 3DSTATE_CLEAR_PARAMETERS, p150 */
+#define _3DSTATE_CLEAR_PARAMETERS (CMD_3D | (0x1d<<24) | (0x9c<<16) | 5)
+/* Dword 1 */
+#define CLEARPARAM_CLEAR_RECT (1 << 16)
+#define CLEARPARAM_ZONE_INIT (0 << 16)
+#define CLEARPARAM_WRITE_COLOR (1 << 2)
+#define CLEARPARAM_WRITE_DEPTH (1 << 1)
+#define CLEARPARAM_WRITE_STENCIL (1 << 0)
+
+/* 3DSTATE_CONSTANT_BLEND_COLOR, p153 */
+#define _3DSTATE_CONST_BLEND_COLOR_CMD (CMD_3D | (0x1d<<24) | (0x88<<16))
+
+
+
+/* 3DSTATE_COORD_SET_BINDINGS, p154 */
+#define _3DSTATE_COORD_SET_BINDINGS (CMD_3D | (0x16<<24))
+#define CSB_TCB(iunit, eunit) ((eunit)<<(iunit*3))
+
+/* p156 */
+#define _3DSTATE_DFLT_DIFFUSE_CMD (CMD_3D | (0x1d<<24) | (0x99<<16))
+
+/* p157 */
+#define _3DSTATE_DFLT_SPEC_CMD (CMD_3D | (0x1d<<24) | (0x9a<<16))
+
+/* p158 */
+#define _3DSTATE_DFLT_Z_CMD (CMD_3D | (0x1d<<24) | (0x98<<16))
+
+
+/* 3DSTATE_DEPTH_OFFSET_SCALE, p159 */
+#define _3DSTATE_DEPTH_OFFSET_SCALE (CMD_3D | (0x1d<<24) | (0x97<<16))
+/* scale in dword 1 */
+
+
+/* 3DSTATE_DEPTH_SUBRECT_DISABLE, p160 */
+#define _3DSTATE_DEPTH_SUBRECT_DISABLE (CMD_3D | (0x1c<<24) | (0x11<<19) | 0x2)
+
+/* p161 */
+#define _3DSTATE_DST_BUF_VARS_CMD (CMD_3D | (0x1d<<24) | (0x85<<16))
+/* Dword 1 */
+#define TEX_DEFAULT_COLOR_OGL (0<<30)
+#define TEX_DEFAULT_COLOR_D3D (1<<30)
+#define ZR_EARLY_DEPTH (1<<29)
+#define LOD_PRECLAMP_OGL (1<<28)
+#define LOD_PRECLAMP_D3D (0<<28)
+#define DITHER_FULL_ALWAYS (0<<26)
+#define DITHER_FULL_ON_FB_BLEND (1<<26)
+#define DITHER_CLAMPED_ALWAYS (2<<26)
+#define LINEAR_GAMMA_BLEND_32BPP (1<<25)
+#define DEBUG_DISABLE_ENH_DITHER (1<<24)
+#define DSTORG_HORT_BIAS(x) ((x)<<20)
+#define DSTORG_VERT_BIAS(x) ((x)<<16)
+#define COLOR_4_2_2_CHNL_WRT_ALL 0
+#define COLOR_4_2_2_CHNL_WRT_Y (1<<12)
+#define COLOR_4_2_2_CHNL_WRT_CR (2<<12)
+#define COLOR_4_2_2_CHNL_WRT_CB (3<<12)
+#define COLOR_4_2_2_CHNL_WRT_CRCB (4<<12)
+#define COLOR_BUF_8BIT 0
+#define COLOR_BUF_RGB555 (1<<8)
+#define COLOR_BUF_RGB565 (2<<8)
+#define COLOR_BUF_ARGB8888 (3<<8)
+#define DEPTH_FRMT_16_FIXED 0
+#define DEPTH_FRMT_16_FLOAT (1<<2)
+#define DEPTH_FRMT_24_FIXED_8_OTHER (2<<2)
+#define VERT_LINE_STRIDE_1 (1<<1)
+#define VERT_LINE_STRIDE_0 (0<<1)
+#define VERT_LINE_STRIDE_OFS_1 1
+#define VERT_LINE_STRIDE_OFS_0 0
+
+/* p166 */
+#define _3DSTATE_DRAW_RECT_CMD (CMD_3D|(0x1d<<24)|(0x80<<16)|3)
+/* Dword 1 */
+#define DRAW_RECT_DIS_DEPTH_OFS (1<<30)
+#define DRAW_DITHER_OFS_X(x) ((x)<<26)
+#define DRAW_DITHER_OFS_Y(x) ((x)<<24)
+/* Dword 2 */
+#define DRAW_YMIN(x) ((x)<<16)
+#define DRAW_XMIN(x) (x)
+/* Dword 3 */
+#define DRAW_YMAX(x) ((x)<<16)
+#define DRAW_XMAX(x) (x)
+/* Dword 4 */
+#define DRAW_YORG(x) ((x)<<16)
+#define DRAW_XORG(x) (x)
+
+
+/* 3DSTATE_FILTER_COEFFICIENTS_4X4, p170 */
+
+/* 3DSTATE_FILTER_COEFFICIENTS_6X5, p172 */
+
+
+/* _3DSTATE_FOG_COLOR, p173 */
+#define _3DSTATE_FOG_COLOR_CMD (CMD_3D|(0x15<<24))
+#define FOG_COLOR_RED(x) ((x)<<16)
+#define FOG_COLOR_GREEN(x) ((x)<<8)
+#define FOG_COLOR_BLUE(x) (x)
+
+/* _3DSTATE_FOG_MODE, p174 */
+#define _3DSTATE_FOG_MODE_CMD (CMD_3D|(0x1d<<24)|(0x89<<16)|2)
+/* Dword 1 */
+#define FMC1_FOGFUNC_MODIFY_ENABLE (1<<31)
+#define FMC1_FOGFUNC_VERTEX (0<<28)
+#define FMC1_FOGFUNC_PIXEL_EXP (1<<28)
+#define FMC1_FOGFUNC_PIXEL_EXP2 (2<<28)
+#define FMC1_FOGFUNC_PIXEL_LINEAR (3<<28)
+#define FMC1_FOGFUNC_MASK (3<<28)
+#define FMC1_FOGINDEX_MODIFY_ENABLE (1<<27)
+#define FMC1_FOGINDEX_Z (0<<25)
+#define FMC1_FOGINDEX_W (1<<25)
+#define FMC1_C1_C2_MODIFY_ENABLE (1<<24)
+#define FMC1_DENSITY_MODIFY_ENABLE (1<<23)
+#define FMC1_C1_ONE (1<<13)
+#define FMC1_C1_MASK (0xffff<<4)
+/* Dword 2 */
+#define FMC2_C2_ONE (1<<16)
+/* Dword 3 */
+#define FMC3_D_ONE (1<<16)
+
+
+
+/* _3DSTATE_INDEPENDENT_ALPHA_BLEND, p177 */
+#define _3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD (CMD_3D|(0x0b<<24))
+#define IAB_MODIFY_ENABLE (1<<23)
+#define IAB_ENABLE (1<<22)
+#define IAB_MODIFY_FUNC (1<<21)
+#define IAB_FUNC_SHIFT 16
+#define IAB_MODIFY_SRC_FACTOR (1<<11)
+#define IAB_SRC_FACTOR_SHIFT 6
+#define IAB_SRC_FACTOR_MASK (BLENDFACT_MASK<<6)
+#define IAB_MODIFY_DST_FACTOR (1<<5)
+#define IAB_DST_FACTOR_SHIFT 0
+#define IAB_DST_FACTOR_MASK (BLENDFACT_MASK<<0)
+
+
+#define BLENDFUNC_ADD 0x0
+#define BLENDFUNC_SUBTRACT 0x1
+#define BLENDFUNC_REVERSE_SUBTRACT 0x2
+#define BLENDFUNC_MIN 0x3
+#define BLENDFUNC_MAX 0x4
+#define BLENDFUNC_MASK 0x7
+
+/* 3DSTATE_LOAD_INDIRECT, p180 */
+
+#define _3DSTATE_LOAD_INDIRECT (CMD_3D|(0x1d<<24)|(0x7<<16))
+#define LI0_STATE_STATIC_INDIRECT (0x01<<8)
+#define LI0_STATE_DYNAMIC_INDIRECT (0x02<<8)
+#define LI0_STATE_SAMPLER (0x04<<8)
+#define LI0_STATE_MAP (0x08<<8)
+#define LI0_STATE_PROGRAM (0x10<<8)
+#define LI0_STATE_CONSTANTS (0x20<<8)
+
+#define SIS0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define SIS0_FORCE_LOAD (1<<1)
+#define SIS0_BUFFER_VALID (1<<0)
+#define SIS1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define DIS0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define DIS0_BUFFER_RESET (1<<1)
+#define DIS0_BUFFER_VALID (1<<0)
+
+#define SSB0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define SSB0_FORCE_LOAD (1<<1)
+#define SSB0_BUFFER_VALID (1<<0)
+#define SSB1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define MSB0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define MSB0_FORCE_LOAD (1<<1)
+#define MSB0_BUFFER_VALID (1<<0)
+#define MSB1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define PSP0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define PSP0_FORCE_LOAD (1<<1)
+#define PSP0_BUFFER_VALID (1<<0)
+#define PSP1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define PSC0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define PSC0_FORCE_LOAD (1<<1)
+#define PSC0_BUFFER_VALID (1<<0)
+#define PSC1_BUFFER_LENGTH(x) ((x)&0xff)
+
+
+
+
+
+/* _3DSTATE_RASTERIZATION_RULES */
+#define _3DSTATE_RASTER_RULES_CMD (CMD_3D|(0x07<<24))
+#define ENABLE_POINT_RASTER_RULE (1<<15)
+#define OGL_POINT_RASTER_RULE (1<<13)
+#define ENABLE_TEXKILL_3D_4D (1<<10)
+#define TEXKILL_3D (0<<9)
+#define TEXKILL_4D (1<<9)
+#define ENABLE_LINE_STRIP_PROVOKE_VRTX (1<<8)
+#define ENABLE_TRI_FAN_PROVOKE_VRTX (1<<5)
+#define LINE_STRIP_PROVOKE_VRTX(x) ((x)<<6)
+#define TRI_FAN_PROVOKE_VRTX(x) ((x)<<3)
+
+/* _3DSTATE_SCISSOR_ENABLE, p256 */
+#define _3DSTATE_SCISSOR_ENABLE_CMD (CMD_3D|(0x1c<<24)|(0x10<<19))
+#define ENABLE_SCISSOR_RECT ((1<<1) | 1)
+#define DISABLE_SCISSOR_RECT (1<<1)
+
+/* _3DSTATE_SCISSOR_RECTANGLE_0, p257 */
+#define _3DSTATE_SCISSOR_RECT_0_CMD (CMD_3D|(0x1d<<24)|(0x81<<16)|1)
+/* Dword 1 */
+#define SCISSOR_RECT_0_YMIN(x) ((x)<<16)
+#define SCISSOR_RECT_0_XMIN(x) (x)
+/* Dword 2 */
+#define SCISSOR_RECT_0_YMAX(x) ((x)<<16)
+#define SCISSOR_RECT_0_XMAX(x) (x)
+
+/* p189 */
+#define _3DSTATE_LOAD_STATE_IMMEDIATE_1 ((0x3<<29)|(0x1d<<24)|(0x04<<16))
+#define I1_LOAD_S(n) (1<<(4+n))
+
+#define S0_VB_OFFSET_MASK 0xffffffc
+#define S0_AUTO_CACHE_INV_DISABLE (1<<0)
+
+#define S1_VERTEX_WIDTH_SHIFT 24
+#define S1_VERTEX_WIDTH_MASK (0x3f<<24)
+#define S1_VERTEX_PITCH_SHIFT 16
+#define S1_VERTEX_PITCH_MASK (0x3f<<16)
+
+#define TEXCOORDFMT_2D 0x0
+#define TEXCOORDFMT_3D 0x1
+#define TEXCOORDFMT_4D 0x2
+#define TEXCOORDFMT_1D 0x3
+#define TEXCOORDFMT_2D_16 0x4
+#define TEXCOORDFMT_4D_16 0x5
+#define TEXCOORDFMT_NOT_PRESENT 0xf
+#define S2_TEXCOORD_FMT0_MASK 0xf
+#define S2_TEXCOORD_FMT1_SHIFT 4
+#define S2_TEXCOORD_FMT(unit, type) ((type)<<(unit*4))
+#define S2_TEXCOORD_NONE (~0)
+
+/* S3 not interesting */
+
+#define S4_POINT_WIDTH_SHIFT 23
+#define S4_POINT_WIDTH_MASK (0x1ff<<23)
+#define S4_LINE_WIDTH_SHIFT 19
+#define S4_LINE_WIDTH_ONE (0x2<<19)
+#define S4_LINE_WIDTH_MASK (0xf<<19)
+#define S4_FLATSHADE_ALPHA (1<<18)
+#define S4_FLATSHADE_FOG (1<<17)
+#define S4_FLATSHADE_SPECULAR (1<<16)
+#define S4_FLATSHADE_COLOR (1<<15)
+#define S4_CULLMODE_BOTH (0<<13)
+#define S4_CULLMODE_NONE (1<<13)
+#define S4_CULLMODE_CW (2<<13)
+#define S4_CULLMODE_CCW (3<<13)
+#define S4_CULLMODE_MASK (3<<13)
+#define S4_VFMT_POINT_WIDTH (1<<12)
+#define S4_VFMT_SPEC_FOG (1<<11)
+#define S4_VFMT_COLOR (1<<10)
+#define S4_VFMT_DEPTH_OFFSET (1<<9)
+#define S4_VFMT_XYZ (1<<6)
+#define S4_VFMT_XYZW (2<<6)
+#define S4_VFMT_XY (3<<6)
+#define S4_VFMT_XYW (4<<6)
+#define S4_VFMT_XYZW_MASK (7<<6)
+#define S4_FORCE_DEFAULT_DIFFUSE (1<<5)
+#define S4_FORCE_DEFAULT_SPECULAR (1<<4)
+#define S4_LOCAL_DEPTH_OFFSET_ENABLE (1<<3)
+#define S4_VFMT_FOG_PARAM (1<<2)
+#define S4_SPRITE_POINT_ENABLE (1<<1)
+#define S4_LINE_ANTIALIAS_ENABLE (1<<0)
+
+#define S4_VFMT_MASK (S4_VFMT_POINT_WIDTH | \
+ S4_VFMT_SPEC_FOG | \
+ S4_VFMT_COLOR | \
+ S4_VFMT_DEPTH_OFFSET | \
+ S4_VFMT_XYZW_MASK | \
+ S4_VFMT_FOG_PARAM)
+
+
+#define S5_WRITEDISABLE_ALPHA (1<<31)
+#define S5_WRITEDISABLE_RED (1<<30)
+#define S5_WRITEDISABLE_GREEN (1<<29)
+#define S5_WRITEDISABLE_BLUE (1<<28)
+#define S5_WRITEDISABLE_MASK (0xf<<28)
+#define S5_FORCE_DEFAULT_POINT_SIZE (1<<27)
+#define S5_LAST_PIXEL_ENABLE (1<<26)
+#define S5_GLOBAL_DEPTH_OFFSET_ENABLE (1<<25)
+#define S5_FOG_ENABLE (1<<24)
+#define S5_STENCIL_REF_SHIFT 16
+#define S5_STENCIL_REF_MASK (0xff<<16)
+#define S5_STENCIL_TEST_FUNC_SHIFT 13
+#define S5_STENCIL_TEST_FUNC_MASK (0x7<<13)
+#define S5_STENCIL_FAIL_SHIFT 10
+#define S5_STENCIL_FAIL_MASK (0x7<<10)
+#define S5_STENCIL_PASS_Z_FAIL_SHIFT 7
+#define S5_STENCIL_PASS_Z_FAIL_MASK (0x7<<7)
+#define S5_STENCIL_PASS_Z_PASS_SHIFT 4
+#define S5_STENCIL_PASS_Z_PASS_MASK (0x7<<4)
+#define S5_STENCIL_WRITE_ENABLE (1<<3)
+#define S5_STENCIL_TEST_ENABLE (1<<2)
+#define S5_COLOR_DITHER_ENABLE (1<<1)
+#define S5_LOGICOP_ENABLE (1<<0)
+
+
+#define S6_ALPHA_TEST_ENABLE (1<<31)
+#define S6_ALPHA_TEST_FUNC_SHIFT 28
+#define S6_ALPHA_TEST_FUNC_MASK (0x7<<28)
+#define S6_ALPHA_REF_SHIFT 20
+#define S6_ALPHA_REF_MASK (0xff<<20)
+#define S6_DEPTH_TEST_ENABLE (1<<19)
+#define S6_DEPTH_TEST_FUNC_SHIFT 16
+#define S6_DEPTH_TEST_FUNC_MASK (0x7<<16)
+#define S6_CBUF_BLEND_ENABLE (1<<15)
+#define S6_CBUF_BLEND_FUNC_SHIFT 12
+#define S6_CBUF_BLEND_FUNC_MASK (0x7<<12)
+#define S6_CBUF_SRC_BLEND_FACT_SHIFT 8
+#define S6_CBUF_SRC_BLEND_FACT_MASK (0xf<<8)
+#define S6_CBUF_DST_BLEND_FACT_SHIFT 4
+#define S6_CBUF_DST_BLEND_FACT_MASK (0xf<<4)
+#define S6_DEPTH_WRITE_ENABLE (1<<3)
+#define S6_COLOR_WRITE_ENABLE (1<<2)
+#define S6_TRISTRIP_PV_SHIFT 0
+#define S6_TRISTRIP_PV_MASK (0x3<<0)
+
+#define S7_DEPTH_OFFSET_CONST_MASK ~0
+
+
+
+#define DST_BLND_FACT(f) ((f)<<S6_CBUF_DST_BLEND_FACT_SHIFT)
+#define SRC_BLND_FACT(f) ((f)<<S6_CBUF_SRC_BLEND_FACT_SHIFT)
+#define DST_ABLND_FACT(f) ((f)<<IAB_DST_FACTOR_SHIFT)
+#define SRC_ABLND_FACT(f) ((f)<<IAB_SRC_FACTOR_SHIFT)
+
+
+
+
+/* 3DSTATE_MAP_DEINTERLACER_PARAMETERS */
+
+/* 3DSTATE_MAP_PALETTE_LOAD_32, p206 */
+#define _3DSTATE_MAP_PALETTE_LOAD_32 (CMD_3D|(0x1d<<24)|(0x8f<<16))
+/* subsequent dwords up to length (max 16) are ARGB8888 color values */
+
+/* _3DSTATE_MODES_4, p218 */
+#define _3DSTATE_MODES_4_CMD (CMD_3D|(0x0d<<24))
+#define ENABLE_LOGIC_OP_FUNC (1<<23)
+#define LOGIC_OP_FUNC(x) ((x)<<18)
+#define LOGICOP_MASK (0xf<<18)
+#define MODE4_ENABLE_STENCIL_TEST_MASK ((1<<17)|(0xff00))
+#define ENABLE_STENCIL_TEST_MASK (1<<17)
+#define STENCIL_TEST_MASK(x) (((x)&0xff)<<8)
+#define MODE4_ENABLE_STENCIL_WRITE_MASK ((1<<16)|(0x00ff))
+#define ENABLE_STENCIL_WRITE_MASK (1<<16)
+#define STENCIL_WRITE_MASK(x) ((x)&0xff)
+
+/* _3DSTATE_MODES_5, p220 */
+#define _3DSTATE_MODES_5_CMD (CMD_3D|(0x0c<<24))
+#define PIPELINE_FLUSH_RENDER_CACHE (1<<18)
+#define PIPELINE_FLUSH_TEXTURE_CACHE (1<<16)
+
+
+/* p221 */
+#define _3DSTATE_PIXEL_SHADER_CONSTANTS (CMD_3D|(0x1d<<24)|(0x6<<16))
+#define PS1_REG(n) (1<<(n))
+#define PS2_CONST_X(n) (n)
+#define PS3_CONST_Y(n) (n)
+#define PS4_CONST_Z(n) (n)
+#define PS5_CONST_W(n) (n)
+
+/* p222 */
+
+
+#define I915_MAX_TEX_INDIRECT 4
+#define I915_MAX_TEX_INSN 32
+#define I915_MAX_ALU_INSN 64
+#define I915_MAX_DECL_INSN 27
+#define I915_MAX_TEMPORARY 16
+
+
+/* Each instruction is 3 dwords long, though most don't require all
+ * this space. Maximum of 123 instructions. Smaller maxes per insn
+ * type.
+ */
+#define _3DSTATE_PIXEL_SHADER_PROGRAM (CMD_3D|(0x1d<<24)|(0x5<<16))
+
+#define REG_TYPE_R 0 /* temporary regs, no need to
+ * dcl, must be written before
+ * read -- Preserved between
+ * phases.
+ */
+#define REG_TYPE_T 1 /* Interpolated values, must be
+ * dcl'ed before use.
+ *
+ * 0..7: texture coord,
+ * 8: diffuse spec,
+ * 9: specular color,
+ * 10: fog parameter in w.
+ */
+#define REG_TYPE_CONST 2 /* Restriction: only one const
+ * can be referenced per
+ * instruction, though it may be
+ * selected for multiple inputs.
+ * Constants not initialized
+ * default to zero.
+ */
+#define REG_TYPE_S 3 /* sampler */
+#define REG_TYPE_OC 4 /* output color (rgba) */
+#define REG_TYPE_OD 5 /* output depth (w), xyz are
+ * temporaries. If not written,
+ * interpolated depth is used?
+ */
+#define REG_TYPE_U 6 /* unpreserved temporaries */
+#define REG_TYPE_MASK 0x7
+#define REG_NR_MASK 0xf
+
+
+/* REG_TYPE_T:
+ */
+#define T_TEX0 0
+#define T_TEX1 1
+#define T_TEX2 2
+#define T_TEX3 3
+#define T_TEX4 4
+#define T_TEX5 5
+#define T_TEX6 6
+#define T_TEX7 7
+#define T_DIFFUSE 8
+#define T_SPECULAR 9
+#define T_FOG_W 10 /* interpolated fog is in W coord */
+
+/* Arithmetic instructions */
+
+/* .replicate_swizzle == selection and replication of a particular
+ * scalar channel, ie., .xxxx, .yyyy, .zzzz or .wwww
+ */
+#define A0_NOP (0x0<<24) /* no operation */
+#define A0_ADD (0x1<<24) /* dst = src0 + src1 */
+#define A0_MOV (0x2<<24) /* dst = src0 */
+#define A0_MUL (0x3<<24) /* dst = src0 * src1 */
+#define A0_MAD (0x4<<24) /* dst = src0 * src1 + src2 */
+#define A0_DP2ADD (0x5<<24) /* dst.xyzw = src0.xy dot src1.xy + src2.replicate_swizzle */
+#define A0_DP3 (0x6<<24) /* dst.xyzw = src0.xyz dot src1.xyz */
+#define A0_DP4 (0x7<<24) /* dst.xyzw = src0.xyzw dot src1.xyzw */
+#define A0_FRC (0x8<<24) /* dst = src0 - floor(src0) */
+#define A0_RCP (0x9<<24) /* dst.xyzw = 1/(src0.replicate_swizzle) */
+#define A0_RSQ (0xa<<24) /* dst.xyzw = 1/(sqrt(abs(src0.replicate_swizzle))) */
+#define A0_EXP (0xb<<24) /* dst.xyzw = exp2(src0.replicate_swizzle) */
+#define A0_LOG (0xc<<24) /* dst.xyzw = log2(abs(src0.replicate_swizzle)) */
+#define A0_CMP (0xd<<24) /* dst = (src0 >= 0.0) ? src1 : src2 */
+#define A0_MIN (0xe<<24) /* dst = (src0 < src1) ? src0 : src1 */
+#define A0_MAX (0xf<<24) /* dst = (src0 >= src1) ? src0 : src1 */
+#define A0_FLR (0x10<<24) /* dst = floor(src0) */
+#define A0_MOD (0x11<<24) /* dst = src0 fmod 1.0 */
+#define A0_TRC (0x12<<24) /* dst = int(src0) */
+#define A0_SGE (0x13<<24) /* dst = src0 >= src1 ? 1.0 : 0.0 */
+#define A0_SLT (0x14<<24) /* dst = src0 < src1 ? 1.0 : 0.0 */
+#define A0_DEST_SATURATE (1<<22)
+#define A0_DEST_TYPE_SHIFT 19
+/* Allow: R, OC, OD, U */
+#define A0_DEST_NR_SHIFT 14
+/* Allow R: 0..15, OC,OD: 0..0, U: 0..2 */
+#define A0_DEST_CHANNEL_X (1<<10)
+#define A0_DEST_CHANNEL_Y (2<<10)
+#define A0_DEST_CHANNEL_Z (4<<10)
+#define A0_DEST_CHANNEL_W (8<<10)
+#define A0_DEST_CHANNEL_ALL (0xf<<10)
+#define A0_DEST_CHANNEL_SHIFT 10
+#define A0_SRC0_TYPE_SHIFT 7
+#define A0_SRC0_NR_SHIFT 2
+
+#define A0_DEST_CHANNEL_XY (A0_DEST_CHANNEL_X|A0_DEST_CHANNEL_Y)
+#define A0_DEST_CHANNEL_XYZ (A0_DEST_CHANNEL_XY|A0_DEST_CHANNEL_Z)
+
+
+#define SRC_X 0
+#define SRC_Y 1
+#define SRC_Z 2
+#define SRC_W 3
+#define SRC_ZERO 4
+#define SRC_ONE 5
+
+#define A1_SRC0_CHANNEL_X_NEGATE (1<<31)
+#define A1_SRC0_CHANNEL_X_SHIFT 28
+#define A1_SRC0_CHANNEL_Y_NEGATE (1<<27)
+#define A1_SRC0_CHANNEL_Y_SHIFT 24
+#define A1_SRC0_CHANNEL_Z_NEGATE (1<<23)
+#define A1_SRC0_CHANNEL_Z_SHIFT 20
+#define A1_SRC0_CHANNEL_W_NEGATE (1<<19)
+#define A1_SRC0_CHANNEL_W_SHIFT 16
+#define A1_SRC1_TYPE_SHIFT 13
+#define A1_SRC1_NR_SHIFT 8
+#define A1_SRC1_CHANNEL_X_NEGATE (1<<7)
+#define A1_SRC1_CHANNEL_X_SHIFT 4
+#define A1_SRC1_CHANNEL_Y_NEGATE (1<<3)
+#define A1_SRC1_CHANNEL_Y_SHIFT 0
+
+#define A2_SRC1_CHANNEL_Z_NEGATE (1<<31)
+#define A2_SRC1_CHANNEL_Z_SHIFT 28
+#define A2_SRC1_CHANNEL_W_NEGATE (1<<27)
+#define A2_SRC1_CHANNEL_W_SHIFT 24
+#define A2_SRC2_TYPE_SHIFT 21
+#define A2_SRC2_NR_SHIFT 16
+#define A2_SRC2_CHANNEL_X_NEGATE (1<<15)
+#define A2_SRC2_CHANNEL_X_SHIFT 12
+#define A2_SRC2_CHANNEL_Y_NEGATE (1<<11)
+#define A2_SRC2_CHANNEL_Y_SHIFT 8
+#define A2_SRC2_CHANNEL_Z_NEGATE (1<<7)
+#define A2_SRC2_CHANNEL_Z_SHIFT 4
+#define A2_SRC2_CHANNEL_W_NEGATE (1<<3)
+#define A2_SRC2_CHANNEL_W_SHIFT 0
+
+
+
+/* Texture instructions */
+#define T0_TEXLD (0x15<<24) /* Sample texture using predeclared
+ * sampler and address, and output
+ * filtered texel data to destination
+ * register */
+#define T0_TEXLDP (0x16<<24) /* Same as texld but performs a
+ * perspective divide of the texture
+ * coordinate .xyz values by .w before
+ * sampling. */
+#define T0_TEXLDB (0x17<<24) /* Same as texld but biases the
+ * computed LOD by w. Only S4.6 two's
+ * comp is used. This implies that a
+ * float to fixed conversion is
+ * done. */
+#define T0_TEXKILL (0x18<<24) /* Does not perform a sampling
+ * operation. Simply kills the pixel
+ * if any channel of the address
+ * register is < 0.0. */
+#define T0_DEST_TYPE_SHIFT 19
+/* Allow: R, OC, OD, U */
+/* Note: U (unpreserved) regs do not retain their values between
+ * phases (cannot be used for feedback)
+ *
+ * Note: oC and OD registers can only be used as the destination of a
+ * texture instruction once per phase (this is an implementation
+ * restriction).
+ */
+#define T0_DEST_NR_SHIFT 14
+/* Allow R: 0..15, OC,OD: 0..0, U: 0..2 */
+#define T0_SAMPLER_NR_SHIFT 0 /* This field ignored for TEXKILL */
+#define T0_SAMPLER_NR_MASK (0xf<<0)
+
+#define T1_ADDRESS_REG_TYPE_SHIFT 24 /* Reg to use as texture coord */
+/* Allow R, T, OC, OD -- R, OC, OD are 'dependent' reads, new program phase */
+#define T1_ADDRESS_REG_NR_SHIFT 17
+#define T2_MBZ 0
+
+/* Declaration instructions */
+#define D0_DCL (0x19<<24) /* Declare a t (interpolated attrib)
+ * register or an s (sampler)
+ * register. */
+#define D0_SAMPLE_TYPE_SHIFT 22
+#define D0_SAMPLE_TYPE_2D (0x0<<22)
+#define D0_SAMPLE_TYPE_CUBE (0x1<<22)
+#define D0_SAMPLE_TYPE_VOLUME (0x2<<22)
+#define D0_SAMPLE_TYPE_MASK (0x3<<22)
+
+#define D0_TYPE_SHIFT 19
+/* Allow: T, S */
+#define D0_NR_SHIFT 14
+/* Allow T: 0..10, S: 0..15 */
+#define D0_CHANNEL_X (1<<10)
+#define D0_CHANNEL_Y (2<<10)
+#define D0_CHANNEL_Z (4<<10)
+#define D0_CHANNEL_W (8<<10)
+#define D0_CHANNEL_ALL (0xf<<10)
+#define D0_CHANNEL_NONE (0<<10)
+
+#define D0_CHANNEL_XY (D0_CHANNEL_X|D0_CHANNEL_Y)
+#define D0_CHANNEL_XYZ (D0_CHANNEL_XY|D0_CHANNEL_Z)
+
+/* I915 Errata: Do not allow (xz), (xw), (xzw) combinations for diffuse
+ * or specular declarations.
+ *
+ * For T dcls, only allow: (x), (xy), (xyz), (w), (xyzw)
+ *
+ * Must be zero for S (sampler) dcls
+ */
+#define D1_MBZ 0
+#define D2_MBZ 0
+
+
+
+/* p207 */
+#define _3DSTATE_MAP_STATE (CMD_3D|(0x1d<<24)|(0x0<<16))
+
+#define MS1_MAPMASK_SHIFT 0
+#define MS1_MAPMASK_MASK (0x8fff<<0)
+
+#define MS2_UNTRUSTED_SURFACE (1<<31)
+#define MS2_ADDRESS_MASK 0xfffffffc
+#define MS2_VERTICAL_LINE_STRIDE (1<<1)
+#define MS2_VERTICAL_OFFSET (1<<1)
+
+#define MS3_HEIGHT_SHIFT 21
+#define MS3_WIDTH_SHIFT 10
+#define MS3_PALETTE_SELECT (1<<9)
+#define MS3_MAPSURF_FORMAT_SHIFT 7
+#define MS3_MAPSURF_FORMAT_MASK (0x7<<7)
+#define MAPSURF_8BIT (1<<7)
+#define MAPSURF_16BIT (2<<7)
+#define MAPSURF_32BIT (3<<7)
+#define MAPSURF_422 (5<<7)
+#define MAPSURF_COMPRESSED (6<<7)
+#define MAPSURF_4BIT_INDEXED (7<<7)
+#define MS3_MT_FORMAT_MASK (0x7 << 3)
+#define MS3_MT_FORMAT_SHIFT 3
+#define MT_4BIT_IDX_ARGB8888 (7<<3) /* SURFACE_4BIT_INDEXED */
+#define MT_8BIT_I8 (0<<3) /* SURFACE_8BIT */
+#define MT_8BIT_L8 (1<<3)
+#define MT_8BIT_A8 (4<<3)
+#define MT_8BIT_MONO8 (5<<3)
+#define MT_16BIT_RGB565 (0<<3) /* SURFACE_16BIT */
+#define MT_16BIT_ARGB1555 (1<<3)
+#define MT_16BIT_ARGB4444 (2<<3)
+#define MT_16BIT_AY88 (3<<3)
+#define MT_16BIT_88DVDU (5<<3)
+#define MT_16BIT_BUMP_655LDVDU (6<<3)
+#define MT_16BIT_I16 (7<<3)
+#define MT_16BIT_L16 (8<<3)
+#define MT_16BIT_A16 (9<<3)
+#define MT_32BIT_ARGB8888 (0<<3) /* SURFACE_32BIT */
+#define MT_32BIT_ABGR8888 (1<<3)
+#define MT_32BIT_XRGB8888 (2<<3)
+#define MT_32BIT_XBGR8888 (3<<3)
+#define MT_32BIT_QWVU8888 (4<<3)
+#define MT_32BIT_AXVU8888 (5<<3)
+#define MT_32BIT_LXVU8888 (6<<3)
+#define MT_32BIT_XLVU8888 (7<<3)
+#define MT_32BIT_ARGB2101010 (8<<3)
+#define MT_32BIT_ABGR2101010 (9<<3)
+#define MT_32BIT_AWVU2101010 (0xA<<3)
+#define MT_32BIT_GR1616 (0xB<<3)
+#define MT_32BIT_VU1616 (0xC<<3)
+#define MT_32BIT_xI824 (0xD<<3)
+#define MT_32BIT_xA824 (0xE<<3)
+#define MT_32BIT_xL824 (0xF<<3)
+#define MT_422_YCRCB_SWAPY (0<<3) /* SURFACE_422 */
+#define MT_422_YCRCB_NORMAL (1<<3)
+#define MT_422_YCRCB_SWAPUV (2<<3)
+#define MT_422_YCRCB_SWAPUVY (3<<3)
+#define MT_COMPRESS_DXT1 (0<<3) /* SURFACE_COMPRESSED */
+#define MT_COMPRESS_DXT2_3 (1<<3)
+#define MT_COMPRESS_DXT4_5 (2<<3)
+#define MT_COMPRESS_FXT1 (3<<3)
+#define MT_COMPRESS_DXT1_RGB (4<<3)
+#define MS3_USE_FENCE_REGS (1<<2)
+#define MS3_TILED_SURFACE (1<<1)
+#define MS3_TILE_WALK (1<<0)
+
+#define MS4_PITCH_SHIFT 21
+#define MS4_CUBE_FACE_ENA_NEGX (1<<20)
+#define MS4_CUBE_FACE_ENA_POSX (1<<19)
+#define MS4_CUBE_FACE_ENA_NEGY (1<<18)
+#define MS4_CUBE_FACE_ENA_POSY (1<<17)
+#define MS4_CUBE_FACE_ENA_NEGZ (1<<16)
+#define MS4_CUBE_FACE_ENA_POSZ (1<<15)
+#define MS4_CUBE_FACE_ENA_MASK (0x3f<<15)
+#define MS4_MAX_LOD_SHIFT 9
+#define MS4_MAX_LOD_MASK (0x3f<<9)
+#define MS4_MIP_LAYOUT_LEGACY (0<<8)
+#define MS4_MIP_LAYOUT_BELOW_LPT (0<<8)
+#define MS4_MIP_LAYOUT_RIGHT_LPT (1<<8)
+#define MS4_VOLUME_DEPTH_SHIFT 0
+#define MS4_VOLUME_DEPTH_MASK (0xff<<0)
+
+/* p244 */
+#define _3DSTATE_SAMPLER_STATE (CMD_3D|(0x1d<<24)|(0x1<<16))
+
+#define SS1_MAPMASK_SHIFT 0
+#define SS1_MAPMASK_MASK (0x8fff<<0)
+
+#define SS2_REVERSE_GAMMA_ENABLE (1<<31)
+#define SS2_PACKED_TO_PLANAR_ENABLE (1<<30)
+#define SS2_COLORSPACE_CONVERSION (1<<29)
+#define SS2_CHROMAKEY_SHIFT 27
+#define SS2_BASE_MIP_LEVEL_SHIFT 22
+#define SS2_BASE_MIP_LEVEL_MASK (0x1f<<22)
+#define SS2_MIP_FILTER_SHIFT 20
+#define SS2_MIP_FILTER_MASK (0x3<<20)
+#define MIPFILTER_NONE 0
+#define MIPFILTER_NEAREST 1
+#define MIPFILTER_LINEAR 3
+#define SS2_MAG_FILTER_SHIFT 17
+#define SS2_MAG_FILTER_MASK (0x7<<17)
+#define FILTER_NEAREST 0
+#define FILTER_LINEAR 1
+#define FILTER_ANISOTROPIC 2
+#define FILTER_4X4_1 3
+#define FILTER_4X4_2 4
+#define FILTER_4X4_FLAT 5
+#define FILTER_6X5_MONO 6 /* XXX - check */
+#define SS2_MIN_FILTER_SHIFT 14
+#define SS2_MIN_FILTER_MASK (0x7<<14)
+#define SS2_LOD_BIAS_SHIFT 5
+#define SS2_LOD_BIAS_ONE (0x10<<5)
+#define SS2_LOD_BIAS_MASK (0x1ff<<5)
+/* Shadow requires:
+ * MT_X8{I,L,A}24 or MT_{I,L,A}16 texture format
+ * FILTER_4X4_x MIN and MAG filters
+ */
+#define SS2_SHADOW_ENABLE (1<<4)
+#define SS2_MAX_ANISO_MASK (1<<3)
+#define SS2_MAX_ANISO_2 (0<<3)
+#define SS2_MAX_ANISO_4 (1<<3)
+#define SS2_SHADOW_FUNC_SHIFT 0
+#define SS2_SHADOW_FUNC_MASK (0x7<<0)
+/* SS2_SHADOW_FUNC values: see COMPAREFUNC_* */
+
+#define SS3_MIN_LOD_SHIFT 24
+#define SS3_MIN_LOD_ONE (0x10<<24)
+#define SS3_MIN_LOD_MASK (0xff<<24)
+#define SS3_KILL_PIXEL_ENABLE (1<<17)
+#define SS3_TCX_ADDR_MODE_SHIFT 12
+#define SS3_TCX_ADDR_MODE_MASK (0x7<<12)
+#define TEXCOORDMODE_WRAP 0
+#define TEXCOORDMODE_MIRROR 1
+#define TEXCOORDMODE_CLAMP_EDGE 2
+#define TEXCOORDMODE_CUBE 3
+#define TEXCOORDMODE_CLAMP_BORDER 4
+#define TEXCOORDMODE_MIRROR_ONCE 5
+#define SS3_TCY_ADDR_MODE_SHIFT 9
+#define SS3_TCY_ADDR_MODE_MASK (0x7<<9)
+#define SS3_TCZ_ADDR_MODE_SHIFT 6
+#define SS3_TCZ_ADDR_MODE_MASK (0x7<<6)
+#define SS3_NORMALIZED_COORDS (1<<5)
+#define SS3_TEXTUREMAP_INDEX_SHIFT 1
+#define SS3_TEXTUREMAP_INDEX_MASK (0xf<<1)
+#define SS3_DEINTERLACER_ENABLE (1<<0)
+
+#define SS4_BORDER_COLOR_MASK (~0)
+
+/* 3DSTATE_SPAN_STIPPLE, p258
+ */
+#define _3DSTATE_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define ST1_ENABLE (1<<16)
+#define ST1_MASK (0xffff)
+
+#define _3DSTATE_DEFAULT_Z ((0x3<<29)|(0x1d<<24)|(0x98<<16))
+#define _3DSTATE_DEFAULT_DIFFUSE ((0x3<<29)|(0x1d<<24)|(0x99<<16))
+#define _3DSTATE_DEFAULT_SPECULAR ((0x3<<29)|(0x1d<<24)|(0x9a<<16))
+
+
+#define MI_FLUSH ((0<<29)|(4<<23))
+#define FLUSH_MAP_CACHE (1<<0)
+#define INHIBIT_FLUSH_RENDER_CACHE (1<<2)
+
+
+#define CMD_3D (0x3<<29)
+
+
+#define _3DPRIMITIVE ((0x3<<29)|(0x1f<<24))
+#define PRIM_INDIRECT (1<<23)
+#define PRIM_INLINE (0<<23)
+#define PRIM_INDIRECT_SEQUENTIAL (0<<17)
+#define PRIM_INDIRECT_ELTS (1<<17)
+
+#define PRIM3D_TRILIST (0x0<<18)
+#define PRIM3D_TRISTRIP (0x1<<18)
+#define PRIM3D_TRISTRIP_RVRSE (0x2<<18)
+#define PRIM3D_TRIFAN (0x3<<18)
+#define PRIM3D_POLY (0x4<<18)
+#define PRIM3D_LINELIST (0x5<<18)
+#define PRIM3D_LINESTRIP (0x6<<18)
+#define PRIM3D_RECTLIST (0x7<<18)
+#define PRIM3D_POINTLIST (0x8<<18)
+#define PRIM3D_DIB (0x9<<18)
+#define PRIM3D_MASK (0x1f<<18)
+
+#define I915PACKCOLOR4444(r,g,b,a) \
+ ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
+
+#define I915PACKCOLOR1555(r,g,b,a) \
+ ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
+ ((a) ? 0x8000 : 0))
+
+#define I915PACKCOLOR565(r,g,b) \
+ ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
+
+#define I915PACKCOLOR8888(r,g,b,a) \
+ ((a<<24) | (r<<16) | (g<<8) | b)
+
+
+
+
+#define BR00_BITBLT_CLIENT 0x40000000
+#define BR00_OP_COLOR_BLT 0x10000000
+#define BR00_OP_SRC_COPY_BLT 0x10C00000
+#define BR13_SOLID_PATTERN 0x80000000
+
+#define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4)
+#define XY_COLOR_BLT_WRITE_ALPHA (1<<21)
+#define XY_COLOR_BLT_WRITE_RGB (1<<20)
+
+#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
+
+#define MI_WAIT_FOR_EVENT ((0x3<<23))
+#define MI_WAIT_FOR_PLANE_B_FLIP (1<<6)
+#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2)
+
+
+
+#define COMPAREFUNC_ALWAYS 0
+#define COMPAREFUNC_NEVER 0x1
+#define COMPAREFUNC_LESS 0x2
+#define COMPAREFUNC_EQUAL 0x3
+#define COMPAREFUNC_LEQUAL 0x4
+#define COMPAREFUNC_GREATER 0x5
+#define COMPAREFUNC_NOTEQUAL 0x6
+#define COMPAREFUNC_GEQUAL 0x7
+
+#define STENCILOP_KEEP 0
+#define STENCILOP_ZERO 0x1
+#define STENCILOP_REPLACE 0x2
+#define STENCILOP_INCRSAT 0x3
+#define STENCILOP_DECRSAT 0x4
+#define STENCILOP_INCR 0x5
+#define STENCILOP_DECR 0x6
+#define STENCILOP_INVERT 0x7
+
+#define LOGICOP_CLEAR 0
+#define LOGICOP_NOR 0x1
+#define LOGICOP_AND_INV 0x2
+#define LOGICOP_COPY_INV 0x3
+#define LOGICOP_AND_RVRSE 0x4
+#define LOGICOP_INV 0x5
+#define LOGICOP_XOR 0x6
+#define LOGICOP_NAND 0x7
+#define LOGICOP_AND 0x8
+#define LOGICOP_EQUIV 0x9
+#define LOGICOP_NOOP 0xa
+#define LOGICOP_OR_INV 0xb
+#define LOGICOP_COPY 0xc
+#define LOGICOP_OR_RVRSE 0xd
+#define LOGICOP_OR 0xe
+#define LOGICOP_SET 0xf
+
+#define BLENDFACT_ZERO 0x01
+#define BLENDFACT_ONE 0x02
+#define BLENDFACT_SRC_COLR 0x03
+#define BLENDFACT_INV_SRC_COLR 0x04
+#define BLENDFACT_SRC_ALPHA 0x05
+#define BLENDFACT_INV_SRC_ALPHA 0x06
+#define BLENDFACT_DST_ALPHA 0x07
+#define BLENDFACT_INV_DST_ALPHA 0x08
+#define BLENDFACT_DST_COLR 0x09
+#define BLENDFACT_INV_DST_COLR 0x0a
+#define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
+#define BLENDFACT_CONST_COLOR 0x0c
+#define BLENDFACT_INV_CONST_COLOR 0x0d
+#define BLENDFACT_CONST_ALPHA 0x0e
+#define BLENDFACT_INV_CONST_ALPHA 0x0f
+#define BLENDFACT_MASK 0x0f
+
+
+#endif
diff --git a/src/mesa/pipe/i915simple/i915_regions.c b/src/mesa/pipe/i915simple/i915_regions.c
new file mode 100644
index 00000000000..52181cf9f47
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_regions.c
@@ -0,0 +1,304 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* Provide additional functionality on top of bufmgr buffers:
+ * - 2d semantics and blit operations (XXX: remove/simplify blits??)
+ * - refcounting of buffers for multiple images in a buffer.
+ * - refcounting of buffer mappings.
+ */
+
+#include "i915_context.h"
+#include "i915_winsys.h"
+#include "i915_blit.h"
+
+
+static void
+i915_region_idle(struct pipe_context *pipe, struct pipe_region *region)
+{
+
+}
+
+
+static GLubyte *
+i915_region_map(struct pipe_context *pipe, struct pipe_region *region)
+{
+ struct i915_context *i915 = i915_context( pipe );
+
+ if (!region->map_refcount++) {
+ region->map = i915->winsys->buffer_map( i915->winsys,
+ region->buffer );
+ }
+
+ return region->map;
+}
+
+static void
+i915_region_unmap(struct pipe_context *pipe, struct pipe_region *region)
+{
+ struct i915_context *i915 = i915_context( pipe );
+
+ if (!--region->map_refcount) {
+ i915->winsys->buffer_unmap( i915->winsys,
+ region->buffer );
+ region->map = NULL;
+ }
+}
+
+static struct pipe_region *
+i915_region_alloc(struct pipe_context *pipe,
+ GLuint cpp, GLuint width, GLuint height)
+{
+ struct i915_context *i915 = i915_context( pipe );
+ struct pipe_region *region = calloc(sizeof(*region), 1);
+
+ /* Choose a pitch to match hardware requirements - requires 64 byte
+ * alignment of render targets.
+ *
+ * XXX: is this ok for textures??
+ * clearly want to be able to render to textures under some
+ * circumstances, but maybe not always a requirement.
+ */
+ unsigned pitch = ((cpp * width + 63) & ~63) / cpp;
+
+ region->cpp = cpp;
+ region->pitch = pitch;
+ region->height = height; /* needed? */
+ region->refcount = 1;
+
+ region->buffer = i915->winsys->create_buffer( i915->winsys, 64 );
+
+ i915->winsys->buffer_data( i915->winsys,
+ region->buffer,
+ pitch * cpp * height,
+ NULL );
+
+ return region;
+}
+
+static void
+i915_region_release(struct pipe_context *pipe, struct pipe_region **region)
+{
+ struct i915_context *i915 = i915_context( pipe );
+
+ if (!*region)
+ return;
+
+ ASSERT((*region)->refcount > 0);
+ (*region)->refcount--;
+
+ if ((*region)->refcount == 0) {
+ assert((*region)->map_refcount == 0);
+
+ i915->winsys->buffer_unreference( i915->winsys,
+ (*region)->buffer );
+ free(*region);
+ }
+ *region = NULL;
+}
+
+
+/*
+ * XXX Move this into core Mesa?
+ */
+static void
+_mesa_copy_rect(GLubyte * dst,
+ GLuint cpp,
+ GLuint dst_pitch,
+ GLuint dst_x,
+ GLuint dst_y,
+ GLuint width,
+ GLuint height,
+ const GLubyte * src,
+ GLuint src_pitch,
+ GLuint src_x,
+ GLuint src_y)
+{
+ GLuint i;
+
+ dst_pitch *= cpp;
+ src_pitch *= cpp;
+ dst += dst_x * cpp;
+ src += src_x * cpp;
+ dst += dst_y * dst_pitch;
+ src += src_y * dst_pitch;
+ width *= cpp;
+
+ if (width == dst_pitch && width == src_pitch)
+ memcpy(dst, src, height * width);
+ else {
+ for (i = 0; i < height; i++) {
+ memcpy(dst, src, width);
+ dst += dst_pitch;
+ src += src_pitch;
+ }
+ }
+}
+
+
+/* Upload data to a rectangular sub-region. Lots of choices how to do this:
+ *
+ * - memcpy by span to current destination
+ * - upload data as new buffer and blit
+ *
+ * Currently always memcpy.
+ */
+static void
+i915_region_data(struct pipe_context *pipe,
+ struct pipe_region *dst,
+ GLuint dst_offset,
+ GLuint dstx, GLuint dsty,
+ const void *src, GLuint src_pitch,
+ GLuint srcx, GLuint srcy, GLuint width, GLuint height)
+{
+ _mesa_copy_rect(pipe->region_map(pipe, dst) + dst_offset,
+ dst->cpp,
+ dst->pitch,
+ dstx, dsty, width, height, src, src_pitch, srcx, srcy);
+
+ pipe->region_unmap(pipe, dst);
+}
+
+
+/* Assumes all values are within bounds -- no checking at this level -
+ * do it higher up if required.
+ */
+static void
+i915_region_copy(struct pipe_context *pipe,
+ struct pipe_region *dst,
+ GLuint dst_offset,
+ GLuint dstx, GLuint dsty,
+ struct pipe_region *src,
+ GLuint src_offset,
+ GLuint srcx, GLuint srcy, GLuint width, GLuint height)
+{
+ assert( dst != src );
+ assert( dst->cpp == src->cpp );
+
+ if (0) {
+ _mesa_copy_rect(pipe->region_map(pipe, dst) + dst_offset,
+ dst->cpp,
+ dst->pitch,
+ dstx, dsty,
+ width, height,
+ pipe->region_map(pipe, src) + src_offset,
+ src->pitch,
+ srcx, srcy);
+
+ pipe->region_unmap(pipe, src);
+ pipe->region_unmap(pipe, dst);
+ }
+ else {
+ i915_copy_blit( i915_context(pipe),
+ dst->cpp,
+ src->pitch, src->buffer, src_offset,
+ dst->pitch, dst->buffer, dst_offset,
+ srcx, srcy, dstx, dsty, width, height );
+ }
+}
+
+/* Fill a rectangular sub-region. Need better logic about when to
+ * push buffers into AGP - will currently do so whenever possible.
+ */
+static GLubyte *
+get_pointer(struct pipe_region *dst, GLuint x, GLuint y)
+{
+ return dst->map + (y * dst->pitch + x) * dst->cpp;
+}
+
+
+static void
+i915_region_fill(struct pipe_context *pipe,
+ struct pipe_region *dst,
+ GLuint dst_offset,
+ GLuint dstx, GLuint dsty,
+ GLuint width, GLuint height, GLuint value)
+{
+ if (0) {
+ GLuint i, j;
+
+ (void)pipe->region_map(pipe, dst);
+
+ switch (dst->cpp) {
+ case 1: {
+ GLubyte *row = get_pointer(dst, dstx, dsty);
+ for (i = 0; i < height; i++) {
+ memset(row, value, width);
+ row += dst->pitch;
+ }
+ }
+ break;
+ case 2: {
+ GLushort *row = (GLushort *) get_pointer(dst, dstx, dsty);
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++)
+ row[j] = value;
+ row += dst->pitch;
+ }
+ }
+ break;
+ case 4: {
+ GLuint *row = (GLuint *) get_pointer(dst, dstx, dsty);
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++)
+ row[j] = value;
+ row += dst->pitch;
+ }
+ }
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+ else {
+ i915_fill_blit( i915_context(pipe),
+ dst->cpp,
+ dst->pitch,
+ dst->buffer, dst_offset,
+ dstx, dsty,
+ width, height,
+ value );
+ }
+}
+
+
+
+
+
+void
+i915_init_region_functions(struct i915_context *i915)
+{
+ i915->pipe.region_idle = i915_region_idle;
+ i915->pipe.region_map = i915_region_map;
+ i915->pipe.region_unmap = i915_region_unmap;
+ i915->pipe.region_alloc = i915_region_alloc;
+ i915->pipe.region_release = i915_region_release;
+ i915->pipe.region_data = i915_region_data;
+ i915->pipe.region_copy = i915_region_copy;
+ i915->pipe.region_fill = i915_region_fill;
+}
+
diff --git a/src/mesa/pipe/i915simple/i915_regions.h b/src/mesa/pipe/i915simple/i915_regions.h
new file mode 100644
index 00000000000..d938c107a46
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_regions.h
@@ -0,0 +1,141 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_REGIONS_H
+#define INTEL_REGIONS_H
+
+#include "mtypes.h"
+#include "intel_screen.h"
+
+struct intel_context;
+struct intel_buffer_object;
+
+/**
+ * A layer on top of the bufmgr buffers that adds a few useful things:
+ *
+ * - Refcounting for local buffer references.
+ * - Refcounting for buffer maps
+ * - Buffer dimensions - pitch and height.
+ * - Blitter commands for copying 2D regions between buffers. (really???)
+ */
+struct intel_region
+{
+ struct _DriBufferObject *buffer; /**< buffer manager's buffer ID */
+ GLuint refcount; /**< Reference count for region */
+ GLuint cpp; /**< bytes per pixel */
+ GLuint pitch; /**< in pixels */
+ GLuint height; /**< in pixels */
+ GLubyte *map; /**< only non-NULL when region is actually mapped */
+ GLuint map_refcount; /**< Reference count for mapping */
+
+ GLuint draw_offset; /**< Offset of drawing address within the region */
+
+ struct intel_buffer_object *pbo; /* zero-copy uploads */
+};
+
+
+/* Allocate a refcounted region. Pointers to regions should only be
+ * copied by calling intel_reference_region().
+ */
+struct intel_region *intel_region_alloc(intelScreenPrivate *intelScreen,
+ GLuint cpp,
+ GLuint pitch, GLuint height);
+
+void intel_region_reference(struct intel_region **dst,
+ struct intel_region *src);
+
+void intel_region_release(struct intel_region **ib);
+
+extern struct intel_region
+*intel_region_create_static(intelScreenPrivate *intelScreen,
+ GLuint mem_type,
+ GLuint offset,
+ void *virtual,
+ GLuint cpp,
+ GLuint pitch, GLuint height);
+extern void
+intel_region_update_static(intelScreenPrivate *intelScreen,
+ struct intel_region *region,
+ GLuint mem_type,
+ GLuint offset,
+ void *virtual,
+ GLuint cpp, GLuint pitch, GLuint height);
+
+
+void intel_region_idle(intelScreenPrivate *intelScreen,
+ struct intel_region *ib);
+
+/* Map/unmap regions. This is refcounted also:
+ */
+GLubyte *intel_region_map(intelScreenPrivate *intelScreen,
+ struct intel_region *ib);
+
+void intel_region_unmap(intelScreenPrivate *intelScreen, struct intel_region *ib);
+
+
+/* Upload data to a rectangular sub-region
+ */
+void intel_region_data(intelScreenPrivate *intelScreen,
+ struct intel_region *dest,
+ GLuint dest_offset,
+ GLuint destx, GLuint desty,
+ const void *src, GLuint src_stride,
+ GLuint srcx, GLuint srcy, GLuint width, GLuint height);
+
+/* Copy rectangular sub-regions
+ */
+void intel_region_copy(intelScreenPrivate *intelScreen,
+ struct intel_region *dest,
+ GLuint dest_offset,
+ GLuint destx, GLuint desty,
+ struct intel_region *src,
+ GLuint src_offset,
+ GLuint srcx, GLuint srcy, GLuint width, GLuint height);
+
+/* Fill a rectangular sub-region
+ */
+void intel_region_fill(intelScreenPrivate *intelScreen,
+ struct intel_region *dest,
+ GLuint dest_offset,
+ GLuint destx, GLuint desty,
+ GLuint width, GLuint height, GLuint color);
+
+/* Helpers for zerocopy uploads, particularly texture image uploads:
+ */
+void intel_region_attach_pbo(intelScreenPrivate *intelScreen,
+ struct intel_region *region,
+ struct intel_buffer_object *pbo);
+void intel_region_release_pbo(intelScreenPrivate *intelScreen,
+ struct intel_region *region);
+void intel_region_cow(intelScreenPrivate *intelScreen,
+ struct intel_region *region);
+
+struct _DriBufferObject *intel_region_buffer(intelScreenPrivate *intelScreen,
+ struct intel_region *region,
+ GLuint flag);
+
+#endif
diff --git a/src/mesa/pipe/i915simple/i915_state.c b/src/mesa/pipe/i915simple/i915_state.c
new file mode 100644
index 00000000000..d732e879db0
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_state.c
@@ -0,0 +1,238 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* Authors: Keith Whitwell <[email protected]>
+ */
+#include "imports.h"
+
+#include "pipe/draw/draw_context.h"
+
+#include "i915_context.h"
+#include "i915_state.h"
+
+/* None of this state is actually used for anything yet.
+ */
+static void i915_set_blend_state( struct pipe_context *pipe,
+ const struct pipe_blend_state *blend )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->blend = *blend;
+
+ i915->dirty |= I915_NEW_BLEND;
+}
+
+
+static void i915_set_blend_color( struct pipe_context *pipe,
+ const struct pipe_blend_color *blend_color )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->blend_color = *blend_color;
+
+ i915->dirty |= I915_NEW_BLEND;
+}
+
+
+/** XXX move someday? Or consolidate all these simple state setters
+ * into one file.
+ */
+static void i915_set_depth_test_state(struct pipe_context *pipe,
+ const struct pipe_depth_state *depth)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->depth_test = *depth;
+
+ i915->dirty |= I915_NEW_DEPTH_TEST;
+}
+
+static void i915_set_alpha_test_state(struct pipe_context *pipe,
+ const struct pipe_alpha_test_state *alpha)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->alpha_test = *alpha;
+
+ i915->dirty |= I915_NEW_ALPHA_TEST;
+}
+
+static void i915_set_stencil_state(struct pipe_context *pipe,
+ const struct pipe_stencil_state *stencil)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->stencil = *stencil;
+
+ i915->dirty |= I915_NEW_STENCIL;
+}
+
+
+
+static void i915_set_scissor_state( struct pipe_context *pipe,
+ const struct pipe_scissor_state *scissor )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ memcpy( &i915->scissor, scissor, sizeof(*scissor) );
+ i915->dirty |= I915_NEW_SCISSOR;
+}
+
+
+static void i915_set_polygon_stipple( struct pipe_context *pipe,
+ const struct pipe_poly_stipple *stipple )
+{
+}
+
+
+
+static void i915_set_fs_state( struct pipe_context *pipe,
+ const struct pipe_fs_state *fs )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ memcpy(&i915->fs, fs, sizeof(*fs));
+
+ i915->dirty |= I915_NEW_FS;
+}
+
+
+static void i915_set_sampler_state(struct pipe_context *pipe,
+ GLuint unit,
+ const struct pipe_sampler_state *sampler)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ assert(unit < PIPE_MAX_SAMPLERS);
+ i915->sampler[unit] = *sampler;
+
+ i915->dirty |= I915_NEW_SAMPLER;
+}
+
+
+static void i915_set_texture_state(struct pipe_context *pipe,
+ GLuint unit,
+ struct pipe_texture_object *texture)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ assert(unit < PIPE_MAX_SAMPLERS);
+ i915->texture[unit] = texture; /* ptr, not struct */
+
+ i915->dirty |= I915_NEW_TEXTURE;
+}
+
+
+
+static void i915_set_framebuffer_state(struct pipe_context *pipe,
+ const struct pipe_framebuffer_state *fb)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->framebuffer = *fb; /* struct copy */
+
+ i915->dirty |= I915_NEW_FRAMEBUFFER;
+}
+
+
+
+
+static void i915_set_clear_color_state(struct pipe_context *pipe,
+ const struct pipe_clear_color_state *clear)
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->clear_color = *clear; /* struct copy */
+}
+
+
+
+static void i915_set_clip_state( struct pipe_context *pipe,
+ const struct pipe_clip_state *clip )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ draw_set_clip_state(i915->draw, clip);
+
+ i915->dirty |= I915_NEW_CLIP;
+}
+
+
+
+/* Called when driver state tracker notices changes to the viewport
+ * matrix:
+ */
+static void i915_set_viewport_state( struct pipe_context *pipe,
+ const struct pipe_viewport_state *viewport )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->viewport = *viewport; /* struct copy */
+
+ /* pass the viewport info to the draw module */
+ draw_set_viewport_state(i915->draw, viewport);
+
+ /* Using tnl/ and vf/ modules is temporary while getting started.
+ * Full pipe will have vertex shader, vertex fetch of its own.
+ */
+ i915->dirty |= I915_NEW_VIEWPORT;
+
+}
+
+static void i915_set_setup_state( struct pipe_context *pipe,
+ const struct pipe_setup_state *setup )
+{
+ struct i915_context *i915 = i915_context(pipe);
+
+ i915->setup = *setup;
+
+ /* pass-through to draw module */
+ draw_set_setup_state(i915->draw, setup);
+
+ i915->dirty |= I915_NEW_SETUP;
+}
+
+
+void
+i915_init_state_functions( struct i915_context *i915 )
+{
+ i915->pipe.set_alpha_test_state = i915_set_alpha_test_state;
+ i915->pipe.set_blend_color = i915_set_blend_color;
+ i915->pipe.set_blend_state = i915_set_blend_state;
+ i915->pipe.set_clip_state = i915_set_clip_state;
+ i915->pipe.set_clear_color_state = i915_set_clear_color_state;
+ i915->pipe.set_depth_state = i915_set_depth_test_state;
+ i915->pipe.set_framebuffer_state = i915_set_framebuffer_state;
+ i915->pipe.set_fs_state = i915_set_fs_state;
+ i915->pipe.set_polygon_stipple = i915_set_polygon_stipple;
+ i915->pipe.set_sampler_state = i915_set_sampler_state;
+ i915->pipe.set_scissor_state = i915_set_scissor_state;
+ i915->pipe.set_setup_state = i915_set_setup_state;
+ i915->pipe.set_stencil_state = i915_set_stencil_state;
+ i915->pipe.set_texture_state = i915_set_texture_state;
+ i915->pipe.set_viewport_state = i915_set_viewport_state;
+}
diff --git a/src/mesa/pipe/i915simple/i915_state.h b/src/mesa/pipe/i915simple/i915_state.h
new file mode 100644
index 00000000000..c9b9f15d398
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_state.h
@@ -0,0 +1,40 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* Authors: Keith Whitwell <[email protected]>
+ */
+
+#ifndef I915_STATE_H
+#define I915_STATE_H
+
+struct i915_context;
+
+void i915_update_derived( struct i915_context *i915 );
+
+void i915_emit_hardware_state( struct i915_context *i915 );
+
+#endif
diff --git a/src/mesa/pipe/i915simple/i915_state_derived.c b/src/mesa/pipe/i915simple/i915_state_derived.c
new file mode 100644
index 00000000000..392ac09b408
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_state_derived.c
@@ -0,0 +1,186 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/enums.h"
+
+#include "vf/vf.h"
+#include "pipe/draw/draw_context.h"
+#include "i915_context.h"
+#include "i915_state.h"
+
+
+#define EMIT_ATTR( VF_ATTR, FRAG_ATTR, INTERP ) \
+do { \
+ slot_to_vf_attr[nr_attrs] = VF_ATTR; \
+ nr_attrs++; \
+ attr_mask |= (1 << (VF_ATTR)); \
+} while (0)
+
+
+static const GLuint frag_to_vf[FRAG_ATTRIB_MAX] =
+{
+ VF_ATTRIB_POS,
+ VF_ATTRIB_COLOR0,
+ VF_ATTRIB_COLOR1,
+ VF_ATTRIB_FOG,
+ VF_ATTRIB_TEX0,
+ VF_ATTRIB_TEX1,
+ VF_ATTRIB_TEX2,
+ VF_ATTRIB_TEX3,
+ VF_ATTRIB_TEX4,
+ VF_ATTRIB_TEX5,
+ VF_ATTRIB_TEX6,
+ VF_ATTRIB_TEX7,
+ VF_ATTRIB_VAR0,
+ VF_ATTRIB_VAR1,
+ VF_ATTRIB_VAR2,
+ VF_ATTRIB_VAR3,
+ VF_ATTRIB_VAR4,
+ VF_ATTRIB_VAR5,
+ VF_ATTRIB_VAR6,
+ VF_ATTRIB_VAR7,
+};
+
+
+/**
+ * Determine which post-transform / pre-rasterization vertex attributes
+ * we need.
+ * Derived from: fs, setup states.
+ */
+static void calculate_vertex_layout( struct i915_context *i915 )
+{
+// const GLbitfield inputsRead = i915->fs.inputs_read;
+ const GLbitfield inputsRead = (FRAG_ATTRIB_WPOS | FRAG_ATTRIB_COL0);
+ GLuint slot_to_vf_attr[VF_ATTRIB_MAX];
+ GLbitfield attr_mask = 0x0;
+ GLuint nr_attrs = 0;
+ GLuint i;
+
+ memset(slot_to_vf_attr, 0, sizeof(slot_to_vf_attr));
+
+
+ /* TODO - Figure out if we need to do perspective divide, etc.
+ */
+ EMIT_ATTR(VF_ATTRIB_POS, FRAG_ATTRIB_WPOS, INTERP_LINEAR);
+
+ /* Pull in the rest of the attributes. They are all in float4
+ * format. Future optimizations could be to keep some attributes
+ * as fixed point or ubyte format.
+ */
+ for (i = 1; i < FRAG_ATTRIB_TEX0; i++) {
+ if (inputsRead & (1 << i)) {
+ assert(i < sizeof(frag_to_vf) / sizeof(frag_to_vf[0]));
+ if (i915->setup.flatshade
+ && (i == FRAG_ATTRIB_COL0 || i == FRAG_ATTRIB_COL1))
+ EMIT_ATTR(frag_to_vf[i], i, INTERP_CONSTANT);
+ else
+ EMIT_ATTR(frag_to_vf[i], i, INTERP_LINEAR);
+ }
+ }
+
+ for (i = FRAG_ATTRIB_TEX0; i < FRAG_ATTRIB_MAX; i++) {
+ if (inputsRead & (1 << i)) {
+ assert(i < sizeof(frag_to_vf) / sizeof(frag_to_vf[0]));
+ EMIT_ATTR(frag_to_vf[i], i, INTERP_PERSPECTIVE);
+ }
+ }
+
+ /* Additional attributes required for setup: Just twosided
+ * lighting. Edgeflag is dealt with specially by setting bits in
+ * the vertex header.
+ */
+ if (i915->setup.light_twoside) {
+ if (inputsRead & FRAG_BIT_COL0) {
+ EMIT_ATTR(VF_ATTRIB_BFC0, FRAG_ATTRIB_MAX, 0); /* XXX: mark as discarded after setup */
+ }
+
+ if (inputsRead & FRAG_BIT_COL1) {
+ EMIT_ATTR(VF_ATTRIB_BFC1, FRAG_ATTRIB_MAX, 0); /* XXX: discard after setup */
+ }
+ }
+
+ /* If the attributes have changed, tell the draw module (which in turn
+ * tells the vf module) about the new vertex layout.
+ */
+ draw_set_vertex_attributes( i915->draw,
+ slot_to_vf_attr,
+ nr_attrs );
+}
+
+
+/**
+ * Recompute cliprect from scissor bounds, scissor enable and surface size.
+ */
+static void
+compute_cliprect(struct i915_context *sp)
+{
+ GLint surfWidth, surfHeight;
+
+ if (sp->framebuffer.num_cbufs > 0) {
+ surfWidth = sp->framebuffer.cbufs[0]->width;
+ surfHeight = sp->framebuffer.cbufs[0]->height;
+ }
+ else {
+ /* no surface? */
+ surfWidth = sp->scissor.maxx;
+ surfHeight = sp->scissor.maxy;
+ }
+
+ if (sp->setup.scissor) {
+ /* clip to scissor rect */
+ sp->cliprect.minx = MAX2(sp->scissor.minx, 0);
+ sp->cliprect.miny = MAX2(sp->scissor.miny, 0);
+ sp->cliprect.maxx = MIN2(sp->scissor.maxx, surfWidth);
+ sp->cliprect.maxy = MIN2(sp->scissor.maxy, surfHeight);
+ }
+ else {
+ /* clip to surface bounds */
+ sp->cliprect.minx = 0;
+ sp->cliprect.miny = 0;
+ sp->cliprect.maxx = surfWidth;
+ sp->cliprect.maxy = surfHeight;
+ }
+}
+
+
+/* Hopefully this will remain quite simple, otherwise need to pull in
+ * something like the state tracker mechanism.
+ */
+void i915_update_derived( struct i915_context *i915 )
+{
+ if (i915->dirty & (I915_NEW_SETUP | I915_NEW_FS))
+ calculate_vertex_layout( i915 );
+
+ if (i915->dirty & (I915_NEW_SCISSOR |
+ I915_NEW_STENCIL |
+ I915_NEW_FRAMEBUFFER))
+ compute_cliprect(i915);
+
+ i915->dirty = 0;
+}
diff --git a/src/mesa/pipe/i915simple/i915_state_draw.c b/src/mesa/pipe/i915simple/i915_state_draw.c
new file mode 100644
index 00000000000..6c436b4c067
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_state_draw.c
@@ -0,0 +1,37 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* Authors: Keith Whitwell <[email protected]>
+ */
+#include "imports.h"
+
+#include "sp_context.h"
+#include "sp_state.h"
+#include "pipe/draw/draw_context.h"
+
+
+
diff --git a/src/mesa/pipe/i915simple/i915_state_emit.c b/src/mesa/pipe/i915simple/i915_state_emit.c
new file mode 100644
index 00000000000..dd7932bc0db
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_state_emit.c
@@ -0,0 +1,241 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+
+#include "glheader.h"
+#include "mtypes.h"
+
+#include "i915_reg.h"
+#include "i915_context.h"
+#include "i915_winsys.h"
+#include "i915_batch.h"
+#include "i915_reg.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+static unsigned translate_format( unsigned format )
+{
+ switch (format) {
+ case PIPE_FORMAT_U_R8_G8_B8_A8:
+ return COLOR_BUF_ARGB8888;
+ case PIPE_FORMAT_U_R5_G6_B5:
+ return COLOR_BUF_RGB565;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+static unsigned translate_depth_format( unsigned zformat )
+{
+ assert(zformat == PIPE_FORMAT_S8_Z24);
+ return DEPTH_FRMT_24_FIXED_8_OTHER;
+}
+
+
+/* Push the state into the sarea and/or texture memory.
+ */
+void
+i915_emit_hardware_state(struct i915_context *i915 )
+{
+ BEGIN_BATCH(100, 10);
+
+ {
+ OUT_BATCH(_3DSTATE_AA_CMD |
+ AA_LINE_ECAAR_WIDTH_ENABLE |
+ AA_LINE_ECAAR_WIDTH_1_0 |
+ AA_LINE_REGION_WIDTH_ENABLE | AA_LINE_REGION_WIDTH_1_0);
+ }
+
+ {
+ OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
+ OUT_BATCH(0);
+ }
+
+
+ {
+ OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
+ CSB_TCB(0, 0) |
+ CSB_TCB(1, 1) |
+ CSB_TCB(2, 2) |
+ CSB_TCB(3, 3) |
+ CSB_TCB(4, 4) |
+ CSB_TCB(5, 5) |
+ CSB_TCB(6, 6) |
+ CSB_TCB(7, 7));
+ }
+
+ {
+ OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
+ ENABLE_POINT_RASTER_RULE |
+ OGL_POINT_RASTER_RULE |
+ ENABLE_LINE_STRIP_PROVOKE_VRTX |
+ ENABLE_TRI_FAN_PROVOKE_VRTX |
+ LINE_STRIP_PROVOKE_VRTX(1) |
+ TRI_FAN_PROVOKE_VRTX(2) |
+ ENABLE_TEXKILL_3D_4D |
+ TEXKILL_4D);
+ }
+
+ /* Need to initialize this to zero.
+ */
+ {
+ OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(3) | (1));
+ OUT_BATCH(0);
+ }
+
+
+ {
+ OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
+
+ OUT_BATCH(_3DSTATE_SCISSOR_RECT_0_CMD);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ }
+
+ {
+ OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);
+ }
+
+ {
+ OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0); /* disable indirect state */
+ OUT_BATCH(0);
+ }
+
+
+ {
+ /* Don't support twosided stencil yet */
+ OUT_BATCH(_3DSTATE_BACKFACE_STENCIL_OPS | BFO_ENABLE_STENCIL_TWO_SIDE | 0);
+ }
+
+
+
+ {
+ OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
+ I1_LOAD_S(2) |
+ I1_LOAD_S(4) |
+ I1_LOAD_S(5) |
+ I1_LOAD_S(6) |
+ (3));
+
+ OUT_BATCH(0);
+ OUT_BATCH(S4_VFMT_XYZ | S4_VFMT_COLOR);
+ OUT_BATCH(0);
+ OUT_BATCH(S6_COLOR_WRITE_ENABLE |
+ (2 << S6_TRISTRIP_PV_SHIFT));
+ }
+
+ {
+ OUT_BATCH(_3DSTATE_MODES_4_CMD |
+ ENABLE_LOGIC_OP_FUNC |
+ LOGIC_OP_FUNC(LOGICOP_COPY) |
+ ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(0xff) |
+ ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(0xff));
+ }
+
+ {
+ OUT_BATCH(_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
+ IAB_MODIFY_ENABLE |
+ IAB_MODIFY_FUNC |
+ IAB_MODIFY_SRC_FACTOR |
+ IAB_MODIFY_DST_FACTOR);
+ }
+
+
+ if (i915->framebuffer.cbufs[0]) {
+ struct pipe_region *cbuf_region = i915->framebuffer.cbufs[0]->region;
+ unsigned pitch = (cbuf_region->pitch *
+ cbuf_region->cpp);
+
+ OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
+
+ OUT_BATCH(BUF_3D_ID_COLOR_BACK |
+ BUF_3D_PITCH(pitch) | /* pitch in bytes */
+ BUF_3D_USE_FENCE);
+
+ OUT_RELOC(cbuf_region->buffer,
+ I915_BUFFER_ACCESS_WRITE,
+ cbuf_region->draw_offset);
+ }
+
+ /* What happens if no zbuf??
+ */
+ if (i915->framebuffer.zbuf) {
+ struct pipe_region *depth_region = i915->framebuffer.zbuf->region;
+ unsigned zpitch = (depth_region->pitch *
+ depth_region->cpp);
+
+ OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
+
+ OUT_BATCH(BUF_3D_ID_DEPTH |
+ BUF_3D_PITCH(zpitch) | /* pitch in bytes */
+ BUF_3D_USE_FENCE);
+
+ OUT_RELOC(depth_region->buffer,
+ I915_BUFFER_ACCESS_WRITE,
+ depth_region->draw_offset);
+ }
+
+
+ {
+ unsigned cformat = i915->framebuffer.cbufs[0]->format;
+ unsigned zformat = i915->framebuffer.zbuf->format;
+
+ OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
+
+ OUT_BATCH(DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ LOD_PRECLAMP_OGL |
+ TEX_DEFAULT_COLOR_OGL |
+ translate_format( cformat ) |
+ translate_depth_format( zformat ));
+ }
+
+ {
+ OUT_BATCH(_3DSTATE_STIPPLE);
+ OUT_BATCH(0);
+ }
+
+ {
+ GLuint i, dwords;
+ GLuint *prog = i915_passthrough_program( &dwords );
+
+ for (i = 0; i < dwords; i++)
+ OUT_BATCH( prog[i] );
+ }
+}
+
diff --git a/src/mesa/pipe/i915simple/i915_state_fragprog.c b/src/mesa/pipe/i915simple/i915_state_fragprog.c
new file mode 100644
index 00000000000..e4639bc2237
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_state_fragprog.c
@@ -0,0 +1,67 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "i915_reg.h"
+#include "i915_context.h"
+#include "i915_debug.h"
+
+
+static unsigned passthrough[] =
+{
+ _3DSTATE_PIXEL_SHADER_PROGRAM | ((2*3)-1),
+
+ /* declare input color:
+ */
+ (D0_DCL |
+ (REG_TYPE_T << D0_TYPE_SHIFT) |
+ (T_DIFFUSE << D0_NR_SHIFT) |
+ D0_CHANNEL_ALL),
+ 0,
+ 0,
+
+ /* move to output color:
+ */
+ (A0_MOV |
+ (REG_TYPE_OC << A0_DEST_TYPE_SHIFT) |
+ A0_DEST_CHANNEL_ALL |
+ (REG_TYPE_T << A0_SRC0_TYPE_SHIFT) |
+ (T_DIFFUSE << A0_SRC0_NR_SHIFT)),
+ 0,
+ 0
+};
+
+unsigned *i915_passthrough_program( unsigned *dwords )
+{
+ i915_disassemble_program( passthrough, Elements(passthrough) );
+
+ *dwords = Elements(passthrough);
+ return passthrough;
+}
+
+
+
+
diff --git a/src/mesa/pipe/i915simple/i915_state_vertex.c b/src/mesa/pipe/i915simple/i915_state_vertex.c
new file mode 100644
index 00000000000..053e39deb26
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_state_vertex.c
@@ -0,0 +1,145 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/enums.h"
+
+#include "vf/vf.h"
+#include "pipe/draw/draw_context.h"
+#include "i915_context.h"
+#include "i915_state.h"
+
+
+
+
+/***********************************************************************
+ *
+ */
+
+#define SZ_TO_HW(sz) ((sz-2)&0x3)
+#define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
+#define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
+do { \
+ i915->vertex_attrs[i915->vertex_attr_count].attrib = (ATTR); \
+ i915->vertex_attrs[i915->vertex_attr_count].format = (STYLE); \
+ i915->vertex_attr_count++; \
+ s4 |= S4; \
+ offset += (SZ); \
+} while (0)
+
+#define EMIT_PAD( N ) \
+do { \
+ i915->vertex_attrs[i915->vertex_attr_count].attrib = 0; \
+ i915->vertex_attrs[i915->vertex_attr_count].format = EMIT_PAD; \
+ i915->vertex_attrs[i915->vertex_attr_count].offset = (N); \
+ i915->vertex_attr_count++; \
+ offset += (N); \
+} while (0)
+
+
+
+/**
+ * Determine which post-transform / pre-rasterization vertex attributes
+ * we need.
+ * Derived from: fs, setup states.
+ */
+static void calculate_vertex_layout( struct i915_context *i915 )
+{
+ const GLbitfield inputsRead = i915->fs.inputs_read;
+ GLuint slot_to_vf_attr[VF_ATTRIB_MAX];
+ GLuint nr_attrs = 0;
+ GLuint i;
+
+
+
+ memset(slot_to_vf_attr, 0, sizeof(slot_to_vf_attr));
+
+ EMIT_ATTR(VF_ATTRIB_POS, FRAG_ATTRIB_WPOS, INTERP_LINEAR);
+ EMIT_ATTR(VF_ATTRIB_COLOR0, FRAG_ATTRIB_COL0, INTERP_LINEAR);
+
+ i915->hw_vertex_size = i915->nr_attrs;
+
+ /* Additional attributes required for setup: Just twosided
+ * lighting. Edgeflag is dealt with specially by setting bits in
+ * the vertex header.
+ */
+ if (i915->setup.light_twoside) {
+ EMIT_ATTR(VF_ATTRIB_BFC0, FRAG_ATTRIB_MAX, 0); /* XXX: mark as discarded after setup */
+ }
+
+ /* If the attributes have changed, tell the draw module (which in turn
+ * tells the vf module) about the new vertex layout.
+ */
+ draw_set_vertex_attributes( i915->draw,
+ slot_to_vf_attr,
+ i915->nr_attrs );
+}
+
+
+
+/***********************************************************************
+ *
+ */
+static inline GLuint attr_size(GLuint sizes, GLuint attr)
+{
+ return ((sizes >> (attr*2)) & 0x3) + 1;
+}
+
+static void i915_calculate_vertex_format( struct intel_context *intel )
+{
+ struct i915_context *i915 = i915_context( &intel->ctx );
+
+ GLuint s2 = S2_TEXCOORD_NONE;
+ GLuint s4 = 0;
+ GLuint offset = 0;
+ GLuint i;
+ i915->vertex_attr_count = 0;
+
+ EMIT_ATTR(VF_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16);
+ EMIT_ATTR(VF_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, S4_VFMT_COLOR, 4);
+
+
+
+ if (s2 != i915->vertex_format.LIS2 ||
+ s4 != i915->vertex_format.LIS4) {
+
+ clip_set_hw_vertex_format( intel->clip,
+ i915->vertex_attrs,
+ i915->vertex_attr_count,
+ offset );
+
+ /* Needed? This does raise the INTEL_NEW_VERTEX_SIZE flag:
+ */
+ intel_vb_set_vertex_size( intel->vb, offset );
+
+ i915->vertex_format.LIS2 = s2;
+ i915->vertex_format.LIS4 = s4;
+ intel->state.dirty.intel |= I915_NEW_VERTEX_FORMAT;
+ }
+}
+
diff --git a/src/mesa/pipe/i915simple/i915_surface.c b/src/mesa/pipe/i915simple/i915_surface.c
new file mode 100644
index 00000000000..73d33570f6a
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_surface.c
@@ -0,0 +1,52 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "i915_context.h"
+#include "i915_state.h"
+#include "pipe/p_defines.h"
+#include "main/imports.h"
+
+
+static struct pipe_surface *
+i915_surface_alloc(struct pipe_context *pipe, GLenum format)
+{
+ struct i915_surface *surf = CALLOC_STRUCT(i915_surface);
+
+ if (!surf)
+ return NULL;
+
+ surf->surface.format = format;
+
+ return &surf->surface;
+}
+
+
+void
+i915_init_surface_functions(struct i915_context *i915)
+{
+ i915->pipe.surface_alloc = i915_surface_alloc;
+}
diff --git a/src/mesa/pipe/i915simple/i915_winsys.h b/src/mesa/pipe/i915simple/i915_winsys.h
new file mode 100644
index 00000000000..514c53c7b21
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_winsys.h
@@ -0,0 +1,128 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef I915_WINSYS_H
+#define I915_WINSYS_H
+
+#include "main/mtypes.h"
+
+/* This is the interface that softpipe requires any window system
+ * hosting it to implement. This is the only include file in softpipe
+ * which is public.
+ */
+
+
+/* Pipe drivers are (meant to be!) independent of both GL and the
+ * window system. The window system provides a buffer manager and a
+ * set of additional hooks for things like command buffer submission,
+ * etc.
+ *
+ * There clearly has to be some agreement between the window system
+ * driver and the hardware driver about the format of command buffers,
+ * etc.
+ */
+
+struct pipe_buffer_handle;
+
+struct i915_winsys {
+
+
+ /* The buffer manager is modeled after the dri_bugmgr interface,
+ * but this is the subset that i915 cares about. Remember that
+ * i915 gets to choose the interface it needs, and the window
+ * systems must then implement that interface (rather than the
+ * other way around...).
+ *
+ * I915 only really wants to make system memory allocations,
+ * right??
+ */
+ struct pipe_buffer_handle *(*create_buffer)(struct i915_winsys *sws,
+ unsigned alignment );
+
+ void *(*buffer_map)( struct i915_winsys *sws,
+ struct pipe_buffer_handle *buf );
+
+ void (*buffer_unmap)( struct i915_winsys *sws,
+ struct pipe_buffer_handle *buf );
+
+ struct pipe_buffer_handle *(*buffer_reference)( struct i915_winsys *sws,
+ struct pipe_buffer_handle *buf );
+
+ void (*buffer_unreference)( struct i915_winsys *sws,
+ struct pipe_buffer_handle **buf );
+
+ void (*buffer_data)(struct i915_winsys *sws,
+ struct pipe_buffer_handle *buf,
+ unsigned size, const void *data );
+
+ void (*buffer_subdata)(struct i915_winsys *sws,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ const void *data);
+
+ void (*buffer_get_subdata)(struct i915_winsys *sws,
+ struct pipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ void *data);
+
+
+ /* An over-simple batchbuffer mechanism. Will want to improve the
+ * performance of this, perhaps based on the cmdstream stuff. It
+ * would be pretty impossible to implement swz on top of this
+ * interface.
+ *
+ * Will also need additions/changes to implement static/dynamic
+ * indirect state.
+ */
+ unsigned *(*batch_start)( struct i915_winsys *sws,
+ unsigned dwords,
+ unsigned relocs );
+ void (*batch_dword)( struct i915_winsys *sws,
+ unsigned dword );
+ void (*batch_reloc)( struct i915_winsys *sws,
+ struct pipe_buffer_handle *buf,
+ unsigned access_flags,
+ unsigned delta );
+ void (*batch_flush)( struct i915_winsys *sws );
+
+
+ /* Printf???
+ */
+ void (*dpf)( const char *fmt, ... );
+
+};
+
+#define I915_BUFFER_ACCESS_WRITE 0x1
+#define I915_BUFFER_ACCESS_READ 0x2
+
+
+struct pipe_context *i915_create( struct i915_winsys * );
+
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 10:13:57 +0000