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authorJosé Fonseca <[email protected]>2008-02-15 17:35:24 +0900
committerJosé Fonseca <[email protected]>2008-02-15 17:45:40 +0900
commitb642730be93149baa7556e5791393168ab396175 (patch)
tree67d174be5d4814261b93bc8b20c027a26d1c3d06 /src/gallium/drivers/failover
parent4593be34b2a6e494f0e476c8aa8e1d2633fffd47 (diff)
Code reorganization: move files into their places.
This is in a separate commit to ensure renames are properly preserved.
Diffstat (limited to 'src/gallium/drivers/failover')
-rw-r--r--src/gallium/drivers/failover/Makefile21
-rw-r--r--src/gallium/drivers/failover/fo_context.c155
-rw-r--r--src/gallium/drivers/failover/fo_context.h114
-rw-r--r--src/gallium/drivers/failover/fo_state.c457
-rw-r--r--src/gallium/drivers/failover/fo_state_emit.c137
-rw-r--r--src/gallium/drivers/failover/fo_winsys.h45
6 files changed, 929 insertions, 0 deletions
diff --git a/src/gallium/drivers/failover/Makefile b/src/gallium/drivers/failover/Makefile
new file mode 100644
index 00000000000..72d0895c74d
--- /dev/null
+++ b/src/gallium/drivers/failover/Makefile
@@ -0,0 +1,21 @@
+
+TOP = ../../../..
+include $(TOP)/configs/current
+
+LIBNAME = failover
+
+DRIVER_SOURCES = \
+ fo_state.c \
+ fo_state_emit.c \
+ fo_context.c
+
+C_SOURCES = \
+ $(COMMON_SOURCES) \
+ $(DRIVER_SOURCES)
+
+ASM_SOURCES =
+
+include ../Makefile.template
+
+symlinks:
+
diff --git a/src/gallium/drivers/failover/fo_context.c b/src/gallium/drivers/failover/fo_context.c
new file mode 100644
index 00000000000..7ce4a7df17e
--- /dev/null
+++ b/src/gallium/drivers/failover/fo_context.c
@@ -0,0 +1,155 @@
+/**************************************************************************
+ *
+ * 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 "pipe/p_defines.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_util.h"
+#include "pipe/p_context.h"
+
+#include "fo_context.h"
+#include "fo_winsys.h"
+
+
+
+static void failover_destroy( struct pipe_context *pipe )
+{
+ struct failover_context *failover = failover_context( pipe );
+
+ free( failover );
+}
+
+
+
+static boolean failover_draw_elements( struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned prim, unsigned start, unsigned count)
+{
+ struct failover_context *failover = failover_context( pipe );
+
+ /* If there has been any statechange since last time, try hardware
+ * rendering again:
+ */
+ if (failover->dirty) {
+ failover->mode = FO_HW;
+ }
+
+ /* Try hardware:
+ */
+ if (failover->mode == FO_HW) {
+ if (!failover->hw->draw_elements( failover->hw,
+ indexBuffer,
+ indexSize,
+ prim,
+ start,
+ count )) {
+
+ failover->hw->flush( failover->hw, ~0 );
+ failover->mode = FO_SW;
+ }
+ }
+
+ /* Possibly try software:
+ */
+ if (failover->mode == FO_SW) {
+
+ if (failover->dirty)
+ failover_state_emit( failover );
+
+ failover->sw->draw_elements( failover->sw,
+ indexBuffer,
+ indexSize,
+ prim,
+ start,
+ count );
+
+ /* Be ready to switch back to hardware rendering without an
+ * intervening flush. Unlikely to be much performance impact to
+ * this:
+ */
+ failover->sw->flush( failover->sw, ~0 );
+ }
+
+ return TRUE;
+}
+
+
+static boolean failover_draw_arrays( struct pipe_context *pipe,
+ unsigned prim, unsigned start, unsigned count)
+{
+ return failover_draw_elements(pipe, NULL, 0, prim, start, count);
+}
+
+
+
+struct pipe_context *failover_create( struct pipe_context *hw,
+ struct pipe_context *sw )
+{
+ struct failover_context *failover = CALLOC_STRUCT(failover_context);
+ if (failover == NULL)
+ return NULL;
+
+ failover->hw = hw;
+ failover->sw = sw;
+ failover->pipe.winsys = hw->winsys;
+ failover->pipe.destroy = failover_destroy;
+ failover->pipe.is_format_supported = hw->is_format_supported;
+ failover->pipe.get_name = hw->get_name;
+ failover->pipe.get_vendor = hw->get_vendor;
+ failover->pipe.get_param = hw->get_param;
+ failover->pipe.get_paramf = hw->get_paramf;
+
+ failover->pipe.draw_arrays = failover_draw_arrays;
+ failover->pipe.draw_elements = failover_draw_elements;
+ failover->pipe.clear = hw->clear;
+
+ /* No software occlusion fallback (or other optional functionality)
+ * at this point - if the hardware doesn't support it, don't
+ * advertise it to the application.
+ */
+ failover->pipe.begin_query = hw->begin_query;
+ failover->pipe.end_query = hw->end_query;
+
+ failover_init_state_functions( failover );
+
+#if 0
+ failover->pipe.surface_alloc = hw->surface_alloc;
+#endif
+ failover->pipe.get_tex_surface = hw->get_tex_surface;
+
+ failover->pipe.surface_copy = hw->surface_copy;
+ failover->pipe.surface_fill = hw->surface_fill;
+ failover->pipe.texture_create = hw->texture_create;
+ failover->pipe.texture_release = hw->texture_release;
+ failover->pipe.flush = hw->flush;
+
+ failover->dirty = 0;
+
+ return &failover->pipe;
+}
+
diff --git a/src/gallium/drivers/failover/fo_context.h b/src/gallium/drivers/failover/fo_context.h
new file mode 100644
index 00000000000..1dc87291c9f
--- /dev/null
+++ b/src/gallium/drivers/failover/fo_context.h
@@ -0,0 +1,114 @@
+/**************************************************************************
+ *
+ * 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 FO_CONTEXT_H
+#define FO_CONTEXT_H
+
+#include "pipe/p_state.h"
+#include "pipe/p_context.h"
+
+
+
+#define FO_NEW_VIEWPORT 0x1
+#define FO_NEW_RASTERIZER 0x2
+#define FO_NEW_FRAGMENT_SHADER 0x4
+#define FO_NEW_BLEND 0x8
+#define FO_NEW_CLIP 0x10
+#define FO_NEW_SCISSOR 0x20
+#define FO_NEW_STIPPLE 0x40
+#define FO_NEW_FRAMEBUFFER 0x80
+#define FO_NEW_ALPHA_TEST 0x100
+#define FO_NEW_DEPTH_STENCIL 0x200
+#define FO_NEW_SAMPLER 0x400
+#define FO_NEW_TEXTURE 0x800
+#define FO_NEW_VERTEX 0x2000
+#define FO_NEW_VERTEX_SHADER 0x4000
+#define FO_NEW_BLEND_COLOR 0x8000
+#define FO_NEW_CLEAR_COLOR 0x10000
+#define FO_NEW_VERTEX_BUFFER 0x20000
+#define FO_NEW_VERTEX_ELEMENT 0x40000
+
+
+
+#define FO_HW 0
+#define FO_SW 1
+
+struct fo_state {
+ void *sw_state;
+ void *hw_state;
+};
+struct failover_context {
+ struct pipe_context pipe; /**< base class */
+
+
+ /* The most recent drawing state as set by the driver:
+ */
+ const struct fo_state *blend;
+ const struct fo_state *sampler[PIPE_MAX_SAMPLERS];
+ const struct fo_state *depth_stencil;
+ const struct fo_state *rasterizer;
+ const struct fo_state *fragment_shader;
+ const struct fo_state *vertex_shader;
+
+ struct pipe_blend_color blend_color;
+ struct pipe_clip_state clip;
+ struct pipe_framebuffer_state framebuffer;
+ struct pipe_poly_stipple poly_stipple;
+ struct pipe_scissor_state scissor;
+ struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
+ struct pipe_viewport_state viewport;
+ struct pipe_vertex_buffer vertex_buffer[PIPE_ATTRIB_MAX];
+ struct pipe_vertex_element vertex_element[PIPE_ATTRIB_MAX];
+
+ unsigned dirty;
+ unsigned dirty_sampler;
+ unsigned dirty_texture;
+ unsigned dirty_vertex_buffer;
+ unsigned dirty_vertex_element;
+
+
+ unsigned mode;
+ struct pipe_context *hw;
+ struct pipe_context *sw;
+};
+
+
+
+void failover_init_state_functions( struct failover_context *failover );
+void failover_state_emit( struct failover_context *failover );
+
+static INLINE struct failover_context *
+failover_context( struct pipe_context *pipe )
+{
+ return (struct failover_context *)pipe;
+}
+
+
+#endif /* FO_CONTEXT_H */
diff --git a/src/gallium/drivers/failover/fo_state.c b/src/gallium/drivers/failover/fo_state.c
new file mode 100644
index 00000000000..0fc5568da11
--- /dev/null
+++ b/src/gallium/drivers/failover/fo_state.c
@@ -0,0 +1,457 @@
+/**************************************************************************
+ *
+ * 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 "fo_context.h"
+
+
+/* This looks like a lot of work at the moment - we're keeping a
+ * duplicate copy of the state up-to-date.
+ *
+ * This can change in two ways:
+ * - With constant state objects we would only need to save a pointer,
+ * not the whole object.
+ * - By adding a callback in the state tracker to re-emit state. The
+ * state tracker knows the current state already and can re-emit it
+ * without additional complexity.
+ *
+ * This works as a proof-of-concept, but a final version will have
+ * lower overheads.
+ */
+
+
+
+static void *
+failover_create_blend_state( struct pipe_context *pipe,
+ const struct pipe_blend_state *blend )
+{
+ struct fo_state *state = malloc(sizeof(struct fo_state));
+ struct failover_context *failover = failover_context(pipe);
+
+ state->sw_state = failover->sw->create_blend_state(failover->sw, blend);
+ state->hw_state = failover->hw->create_blend_state(failover->hw, blend);
+
+ return state;
+}
+
+static void
+failover_bind_blend_state( struct pipe_context *pipe,
+ void *blend )
+{
+ struct failover_context *failover = failover_context(pipe);
+ struct fo_state *state = (struct fo_state *)blend;
+ failover->blend = state;
+ failover->dirty |= FO_NEW_BLEND;
+ failover->sw->bind_blend_state( failover->sw, state->sw_state );
+ failover->hw->bind_blend_state( failover->hw, state->hw_state );
+}
+
+static void
+failover_delete_blend_state( struct pipe_context *pipe,
+ void *blend )
+{
+ struct fo_state *state = (struct fo_state*)blend;
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->sw->delete_blend_state(failover->sw, state->sw_state);
+ failover->hw->delete_blend_state(failover->hw, state->hw_state);
+ state->sw_state = 0;
+ state->hw_state = 0;
+ free(state);
+}
+
+static void
+failover_set_blend_color( struct pipe_context *pipe,
+ const struct pipe_blend_color *blend_color )
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->blend_color = *blend_color;
+ failover->dirty |= FO_NEW_BLEND_COLOR;
+ failover->sw->set_blend_color( failover->sw, blend_color );
+ failover->hw->set_blend_color( failover->hw, blend_color );
+}
+
+static void
+failover_set_clip_state( struct pipe_context *pipe,
+ const struct pipe_clip_state *clip )
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->clip = *clip;
+ failover->dirty |= FO_NEW_CLIP;
+ failover->sw->set_clip_state( failover->sw, clip );
+ failover->hw->set_clip_state( failover->hw, clip );
+}
+
+
+static void *
+failover_create_depth_stencil_state(struct pipe_context *pipe,
+ const struct pipe_depth_stencil_alpha_state *templ)
+{
+ struct fo_state *state = malloc(sizeof(struct fo_state));
+ struct failover_context *failover = failover_context(pipe);
+
+ state->sw_state = failover->sw->create_depth_stencil_alpha_state(failover->sw, templ);
+ state->hw_state = failover->hw->create_depth_stencil_alpha_state(failover->hw, templ);
+
+ return state;
+}
+
+static void
+failover_bind_depth_stencil_state(struct pipe_context *pipe,
+ void *depth_stencil)
+{
+ struct failover_context *failover = failover_context(pipe);
+ struct fo_state *state = (struct fo_state *)depth_stencil;
+ failover->depth_stencil = state;
+ failover->dirty |= FO_NEW_DEPTH_STENCIL;
+ failover->sw->bind_depth_stencil_alpha_state(failover->sw, state->sw_state);
+ failover->hw->bind_depth_stencil_alpha_state(failover->hw, state->hw_state);
+}
+
+static void
+failover_delete_depth_stencil_state(struct pipe_context *pipe,
+ void *ds)
+{
+ struct fo_state *state = (struct fo_state*)ds;
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->sw->delete_depth_stencil_alpha_state(failover->sw, state->sw_state);
+ failover->hw->delete_depth_stencil_alpha_state(failover->hw, state->hw_state);
+ state->sw_state = 0;
+ state->hw_state = 0;
+ free(state);
+}
+
+static void
+failover_set_framebuffer_state(struct pipe_context *pipe,
+ const struct pipe_framebuffer_state *framebuffer)
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->framebuffer = *framebuffer;
+ failover->dirty |= FO_NEW_FRAMEBUFFER;
+ failover->sw->set_framebuffer_state( failover->sw, framebuffer );
+ failover->hw->set_framebuffer_state( failover->hw, framebuffer );
+}
+
+
+static void *
+failover_create_fs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct fo_state *state = malloc(sizeof(struct fo_state));
+ struct failover_context *failover = failover_context(pipe);
+
+ state->sw_state = failover->sw->create_fs_state(failover->sw, templ);
+ state->hw_state = failover->hw->create_fs_state(failover->hw, templ);
+
+ return state;
+}
+
+static void
+failover_bind_fs_state(struct pipe_context *pipe, void *fs)
+{
+ struct failover_context *failover = failover_context(pipe);
+ struct fo_state *state = (struct fo_state*)fs;
+ failover->fragment_shader = state;
+ failover->dirty |= FO_NEW_FRAGMENT_SHADER;
+ failover->sw->bind_fs_state(failover->sw, state->sw_state);
+ failover->hw->bind_fs_state(failover->hw, state->hw_state);
+}
+
+static void
+failover_delete_fs_state(struct pipe_context *pipe,
+ void *fs)
+{
+ struct fo_state *state = (struct fo_state*)fs;
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->sw->delete_fs_state(failover->sw, state->sw_state);
+ failover->hw->delete_fs_state(failover->hw, state->hw_state);
+ state->sw_state = 0;
+ state->hw_state = 0;
+ free(state);
+}
+
+static void *
+failover_create_vs_state(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct fo_state *state = malloc(sizeof(struct fo_state));
+ struct failover_context *failover = failover_context(pipe);
+
+ state->sw_state = failover->sw->create_vs_state(failover->sw, templ);
+ state->hw_state = failover->hw->create_vs_state(failover->hw, templ);
+
+ return state;
+}
+
+static void
+failover_bind_vs_state(struct pipe_context *pipe,
+ void *vs)
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ struct fo_state *state = (struct fo_state*)vs;
+ failover->vertex_shader = state;
+ failover->dirty |= FO_NEW_VERTEX_SHADER;
+ failover->sw->bind_vs_state(failover->sw, state->sw_state);
+ failover->hw->bind_vs_state(failover->hw, state->hw_state);
+}
+
+static void
+failover_delete_vs_state(struct pipe_context *pipe,
+ void *vs)
+{
+ struct fo_state *state = (struct fo_state*)vs;
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->sw->delete_vs_state(failover->sw, state->sw_state);
+ failover->hw->delete_vs_state(failover->hw, state->hw_state);
+ state->sw_state = 0;
+ state->hw_state = 0;
+ free(state);
+}
+
+static void
+failover_set_polygon_stipple( struct pipe_context *pipe,
+ const struct pipe_poly_stipple *stipple )
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->poly_stipple = *stipple;
+ failover->dirty |= FO_NEW_STIPPLE;
+ failover->sw->set_polygon_stipple( failover->sw, stipple );
+ failover->hw->set_polygon_stipple( failover->hw, stipple );
+}
+
+
+static void *
+failover_create_rasterizer_state(struct pipe_context *pipe,
+ const struct pipe_rasterizer_state *templ)
+{
+ struct fo_state *state = malloc(sizeof(struct fo_state));
+ struct failover_context *failover = failover_context(pipe);
+
+ state->sw_state = failover->sw->create_rasterizer_state(failover->sw, templ);
+ state->hw_state = failover->hw->create_rasterizer_state(failover->hw, templ);
+
+ return state;
+}
+
+static void
+failover_bind_rasterizer_state(struct pipe_context *pipe,
+ void *raster)
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ struct fo_state *state = (struct fo_state*)raster;
+ failover->rasterizer = state;
+ failover->dirty |= FO_NEW_RASTERIZER;
+ failover->sw->bind_rasterizer_state(failover->sw, state->sw_state);
+ failover->hw->bind_rasterizer_state(failover->hw, state->hw_state);
+}
+
+static void
+failover_delete_rasterizer_state(struct pipe_context *pipe,
+ void *raster)
+{
+ struct fo_state *state = (struct fo_state*)raster;
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->sw->delete_rasterizer_state(failover->sw, state->sw_state);
+ failover->hw->delete_rasterizer_state(failover->hw, state->hw_state);
+ state->sw_state = 0;
+ state->hw_state = 0;
+ free(state);
+}
+
+
+static void
+failover_set_scissor_state( struct pipe_context *pipe,
+ const struct pipe_scissor_state *scissor )
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->scissor = *scissor;
+ failover->dirty |= FO_NEW_SCISSOR;
+ failover->sw->set_scissor_state( failover->sw, scissor );
+ failover->hw->set_scissor_state( failover->hw, scissor );
+}
+
+
+static void *
+failover_create_sampler_state(struct pipe_context *pipe,
+ const struct pipe_sampler_state *templ)
+{
+ struct fo_state *state = malloc(sizeof(struct fo_state));
+ struct failover_context *failover = failover_context(pipe);
+
+ state->sw_state = failover->sw->create_sampler_state(failover->sw, templ);
+ state->hw_state = failover->hw->create_sampler_state(failover->hw, templ);
+
+ return state;
+}
+
+static void
+failover_bind_sampler_state(struct pipe_context *pipe,
+ unsigned unit, void *sampler)
+{
+ struct failover_context *failover = failover_context(pipe);
+ struct fo_state *state = (struct fo_state*)sampler;
+ failover->sampler[unit] = state;
+ failover->dirty |= FO_NEW_SAMPLER;
+ failover->dirty_sampler |= (1<<unit);
+ failover->sw->bind_sampler_state(failover->sw, unit,
+ state->sw_state);
+ failover->hw->bind_sampler_state(failover->hw, unit,
+ state->hw_state);
+}
+
+static void
+failover_delete_sampler_state(struct pipe_context *pipe, void *sampler)
+{
+ struct fo_state *state = (struct fo_state*)sampler;
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->sw->delete_sampler_state(failover->sw, state->sw_state);
+ failover->hw->delete_sampler_state(failover->hw, state->hw_state);
+ state->sw_state = 0;
+ state->hw_state = 0;
+ free(state);
+}
+
+
+static void
+failover_set_sampler_texture(struct pipe_context *pipe,
+ unsigned unit,
+ struct pipe_texture *texture)
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->texture[unit] = texture;
+ failover->dirty |= FO_NEW_TEXTURE;
+ failover->dirty_texture |= (1<<unit);
+ failover->sw->set_sampler_texture( failover->sw, unit, texture );
+ failover->hw->set_sampler_texture( failover->hw, unit, texture );
+}
+
+
+static void
+failover_set_viewport_state( struct pipe_context *pipe,
+ const struct pipe_viewport_state *viewport )
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->viewport = *viewport;
+ failover->dirty |= FO_NEW_VIEWPORT;
+ failover->sw->set_viewport_state( failover->sw, viewport );
+ failover->hw->set_viewport_state( failover->hw, viewport );
+}
+
+
+static void
+failover_set_vertex_buffer(struct pipe_context *pipe,
+ unsigned unit,
+ const struct pipe_vertex_buffer *vertex_buffer)
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->vertex_buffer[unit] = *vertex_buffer;
+ failover->dirty |= FO_NEW_VERTEX_BUFFER;
+ failover->dirty_vertex_buffer |= (1<<unit);
+ failover->sw->set_vertex_buffer( failover->sw, unit, vertex_buffer );
+ failover->hw->set_vertex_buffer( failover->hw, unit, vertex_buffer );
+}
+
+
+static void
+failover_set_vertex_element(struct pipe_context *pipe,
+ unsigned unit,
+ const struct pipe_vertex_element *vertex_element)
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ failover->vertex_element[unit] = *vertex_element;
+ failover->dirty |= FO_NEW_VERTEX_ELEMENT;
+ failover->dirty_vertex_element |= (1<<unit);
+ failover->sw->set_vertex_element( failover->sw, unit, vertex_element );
+ failover->hw->set_vertex_element( failover->hw, unit, vertex_element );
+}
+
+void
+failover_set_constant_buffer(struct pipe_context *pipe,
+ uint shader, uint index,
+ const struct pipe_constant_buffer *buf)
+{
+ struct failover_context *failover = failover_context(pipe);
+
+ assert(shader < PIPE_SHADER_TYPES);
+ assert(index == 0);
+
+ failover->sw->set_constant_buffer(failover->sw, shader, index, buf);
+ failover->hw->set_constant_buffer(failover->hw, shader, index, buf);
+}
+
+
+void
+failover_init_state_functions( struct failover_context *failover )
+{
+ failover->pipe.create_blend_state = failover_create_blend_state;
+ failover->pipe.bind_blend_state = failover_bind_blend_state;
+ failover->pipe.delete_blend_state = failover_delete_blend_state;
+ failover->pipe.create_sampler_state = failover_create_sampler_state;
+ failover->pipe.bind_sampler_state = failover_bind_sampler_state;
+ failover->pipe.delete_sampler_state = failover_delete_sampler_state;
+ failover->pipe.create_depth_stencil_alpha_state = failover_create_depth_stencil_state;
+ failover->pipe.bind_depth_stencil_alpha_state = failover_bind_depth_stencil_state;
+ failover->pipe.delete_depth_stencil_alpha_state = failover_delete_depth_stencil_state;
+ failover->pipe.create_rasterizer_state = failover_create_rasterizer_state;
+ failover->pipe.bind_rasterizer_state = failover_bind_rasterizer_state;
+ failover->pipe.delete_rasterizer_state = failover_delete_rasterizer_state;
+ failover->pipe.create_fs_state = failover_create_fs_state;
+ failover->pipe.bind_fs_state = failover_bind_fs_state;
+ failover->pipe.delete_fs_state = failover_delete_fs_state;
+ failover->pipe.create_vs_state = failover_create_vs_state;
+ failover->pipe.bind_vs_state = failover_bind_vs_state;
+ failover->pipe.delete_vs_state = failover_delete_vs_state;
+
+ failover->pipe.set_blend_color = failover_set_blend_color;
+ failover->pipe.set_clip_state = failover_set_clip_state;
+ failover->pipe.set_framebuffer_state = failover_set_framebuffer_state;
+ failover->pipe.set_polygon_stipple = failover_set_polygon_stipple;
+ failover->pipe.set_scissor_state = failover_set_scissor_state;
+ failover->pipe.set_sampler_texture = failover_set_sampler_texture;
+ failover->pipe.set_viewport_state = failover_set_viewport_state;
+ failover->pipe.set_vertex_buffer = failover_set_vertex_buffer;
+ failover->pipe.set_vertex_element = failover_set_vertex_element;
+ failover->pipe.set_constant_buffer = failover_set_constant_buffer;
+}
diff --git a/src/gallium/drivers/failover/fo_state_emit.c b/src/gallium/drivers/failover/fo_state_emit.c
new file mode 100644
index 00000000000..c663dd49476
--- /dev/null
+++ b/src/gallium/drivers/failover/fo_state_emit.c
@@ -0,0 +1,137 @@
+/**************************************************************************
+ *
+ * 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 "fo_context.h"
+
+/* This looks like a lot of work at the moment - we're keeping a
+ * duplicate copy of the state up-to-date.
+ *
+ * This can change in two ways:
+ * - With constant state objects we would only need to save a pointer,
+ * not the whole object.
+ * - By adding a callback in the state tracker to re-emit state. The
+ * state tracker knows the current state already and can re-emit it
+ * without additional complexity.
+ *
+ * This works as a proof-of-concept, but a final version will have
+ * lower overheads.
+ */
+
+
+/* Bring the software pipe uptodate with current state.
+ *
+ * With constant state objects we would probably just send all state
+ * to both rasterizers all the time???
+ */
+void
+failover_state_emit( struct failover_context *failover )
+{
+ unsigned i;
+
+ if (failover->dirty & FO_NEW_BLEND)
+ failover->sw->bind_blend_state( failover->sw,
+ failover->blend->sw_state );
+
+ if (failover->dirty & FO_NEW_BLEND_COLOR)
+ failover->sw->set_blend_color( failover->sw, &failover->blend_color );
+
+ if (failover->dirty & FO_NEW_CLIP)
+ failover->sw->set_clip_state( failover->sw, &failover->clip );
+
+ if (failover->dirty & FO_NEW_DEPTH_STENCIL)
+ failover->sw->bind_depth_stencil_alpha_state( failover->sw,
+ failover->depth_stencil->sw_state );
+
+ if (failover->dirty & FO_NEW_FRAMEBUFFER)
+ failover->sw->set_framebuffer_state( failover->sw, &failover->framebuffer );
+
+ if (failover->dirty & FO_NEW_FRAGMENT_SHADER)
+ failover->sw->bind_fs_state( failover->sw,
+ failover->fragment_shader->sw_state );
+
+ if (failover->dirty & FO_NEW_VERTEX_SHADER)
+ failover->sw->bind_vs_state( failover->sw,
+ failover->vertex_shader->sw_state );
+
+ if (failover->dirty & FO_NEW_STIPPLE)
+ failover->sw->set_polygon_stipple( failover->sw, &failover->poly_stipple );
+
+ if (failover->dirty & FO_NEW_RASTERIZER)
+ failover->sw->bind_rasterizer_state( failover->sw,
+ failover->rasterizer->sw_state );
+
+ if (failover->dirty & FO_NEW_SCISSOR)
+ failover->sw->set_scissor_state( failover->sw, &failover->scissor );
+
+ if (failover->dirty & FO_NEW_VIEWPORT)
+ failover->sw->set_viewport_state( failover->sw, &failover->viewport );
+
+ if (failover->dirty & FO_NEW_SAMPLER) {
+ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+ if (failover->dirty_sampler & (1<<i)) {
+ failover->sw->bind_sampler_state( failover->sw, i,
+ failover->sampler[i]->sw_state );
+ }
+ }
+ }
+
+ if (failover->dirty & FO_NEW_TEXTURE) {
+ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+ if (failover->dirty_texture & (1<<i)) {
+ failover->sw->set_sampler_texture( failover->sw, i,
+ failover->texture[i] );
+ }
+ }
+ }
+
+ if (failover->dirty & FO_NEW_VERTEX_BUFFER) {
+ for (i = 0; i < PIPE_ATTRIB_MAX; i++) {
+ if (failover->dirty_vertex_buffer & (1<<i)) {
+ failover->sw->set_vertex_buffer( failover->sw, i,
+ &failover->vertex_buffer[i] );
+ }
+ }
+ }
+
+ if (failover->dirty & FO_NEW_VERTEX_ELEMENT) {
+ for (i = 0; i < PIPE_ATTRIB_MAX; i++) {
+ if (failover->dirty_vertex_element & (1<<i)) {
+ failover->sw->set_vertex_element( failover->sw, i,
+ &failover->vertex_element[i] );
+ }
+ }
+ }
+
+ failover->dirty = 0;
+ failover->dirty_vertex_element = 0;
+ failover->dirty_vertex_buffer = 0;
+ failover->dirty_texture = 0;
+ failover->dirty_sampler = 0;
+}
diff --git a/src/gallium/drivers/failover/fo_winsys.h b/src/gallium/drivers/failover/fo_winsys.h
new file mode 100644
index 00000000000..a8ce997a1f6
--- /dev/null
+++ b/src/gallium/drivers/failover/fo_winsys.h
@@ -0,0 +1,45 @@
+/**************************************************************************
+ *
+ * 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 FO_WINSYS_H
+#define FO_WINSYS_H
+
+
+/* This is the interface that failover requires any window system
+ * hosting it to implement. This is the only include file in failover
+ * which is public.
+ */
+
+
+struct pipe_context;
+
+
+struct pipe_context *failover_create( struct pipe_context *hw,
+ struct pipe_context *sw );
+
+
+#endif /* FO_WINSYS_H */