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-rw-r--r--src/mesa/pipe/p_context.h12
-rw-r--r--src/mesa/pipe/p_state.h5
-rw-r--r--src/mesa/pipe/softpipe/sp_clear.c2
-rw-r--r--src/mesa/pipe/softpipe/sp_context.c5
-rw-r--r--src/mesa/pipe/softpipe/sp_context.h4
-rw-r--r--src/mesa/pipe/softpipe/sp_region.c287
-rw-r--r--src/mesa/pipe/softpipe/sp_winsys.h100
7 files changed, 299 insertions, 116 deletions
diff --git a/src/mesa/pipe/p_context.h b/src/mesa/pipe/p_context.h
index ac6567f009b..92670c77337 100644
--- a/src/mesa/pipe/p_context.h
+++ b/src/mesa/pipe/p_context.h
@@ -32,10 +32,6 @@
#include "p_state.h"
-/* Kludge:
- */
-extern struct pipe_context *softpipe_create( void );
-
/* Drawing currently kludged up via the existing tnl/ module.
*/
struct vertex_buffer;
@@ -161,7 +157,8 @@ struct pipe_context {
struct pipe_region *dest,
GLuint dest_offset,
GLuint destx, GLuint desty,
- const struct pipe_region *src,
+ struct pipe_region *src, /* don't make this const -
+ need to map/unmap */
GLuint src_offset,
GLuint srcx, GLuint srcy, GLuint width, GLuint height);
@@ -170,14 +167,11 @@ struct pipe_context {
GLuint dst_offset,
GLuint dstx, GLuint dsty,
GLuint width, GLuint height,
- GLuint value, GLuint mask);
+ GLuint value);
struct _DriBufferObject *(*region_buffer)(struct pipe_context *pipe,
struct pipe_region *region,
GLuint flag);
-
- void *screen; /**< temporary */
- void *glctx; /**< temporary */
};
diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h
index 699efd5877a..3be1010007a 100644
--- a/src/mesa/pipe/p_state.h
+++ b/src/mesa/pipe/p_state.h
@@ -235,12 +235,9 @@ struct pipe_sampler_state
*** Resource Objects
***/
-
-struct _DriBufferObject;
-
struct pipe_region
{
- struct _DriBufferObject *buffer; /**< buffer manager's buffer ID */
+ void *buffer; /**< driver private buffer handle */
GLuint refcount; /**< Reference count for region */
GLuint cpp; /**< bytes per pixel */
diff --git a/src/mesa/pipe/softpipe/sp_clear.c b/src/mesa/pipe/softpipe/sp_clear.c
index d7684d20445..2d69b6e0dca 100644
--- a/src/mesa/pipe/softpipe/sp_clear.c
+++ b/src/mesa/pipe/softpipe/sp_clear.c
@@ -56,5 +56,5 @@ softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps,
w = softpipe->framebuffer.cbufs[0]->width;
h = softpipe->framebuffer.cbufs[0]->height;
- pipe->region_fill(pipe, ps->region, 0, x, y, w, h, clearValue, ~0);
+ pipe->region_fill(pipe, ps->region, 0, x, y, w, h, clearValue);
}
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index fe7f2f351a4..22928f7bd64 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -39,6 +39,7 @@
#include "sp_state.h"
#include "sp_surface.h"
#include "sp_prim_setup.h"
+#include "sp_winsys.h"
@@ -168,7 +169,7 @@ static GLuint softpipe_get_occlusion_counter(struct pipe_context *pipe)
}
-struct pipe_context *softpipe_create( void )
+struct pipe_context *softpipe_create( struct softpipe_winsys *sws )
{
struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context);
@@ -209,6 +210,8 @@ struct pipe_context *softpipe_create( void )
softpipe->quad.colormask = sp_quad_colormask_stage(softpipe);
softpipe->quad.output = sp_quad_output_stage(softpipe);
+ softpipe->winsys = sws;
+
/*
* Create drawing context and plug our rendering stage into it.
*/
diff --git a/src/mesa/pipe/softpipe/sp_context.h b/src/mesa/pipe/softpipe/sp_context.h
index 3c379c9091a..43fa8acd763 100644
--- a/src/mesa/pipe/softpipe/sp_context.h
+++ b/src/mesa/pipe/softpipe/sp_context.h
@@ -38,8 +38,8 @@
#include "sp_quad.h"
-
struct softpipe_surface;
+struct softpipe_winsys;
struct draw_context;
struct draw_stage;
@@ -68,6 +68,8 @@ enum interp_mode {
struct softpipe_context {
struct pipe_context pipe; /**< base class */
+ struct softpipe_winsys *winsys; /**< window system interface */
+
/* The most recent drawing state as set by the driver:
*/
diff --git a/src/mesa/pipe/softpipe/sp_region.c b/src/mesa/pipe/softpipe/sp_region.c
index 1dbd1609e37..78a0919ad50 100644
--- a/src/mesa/pipe/softpipe/sp_region.c
+++ b/src/mesa/pipe/softpipe/sp_region.c
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -25,74 +25,185 @@
*
**************************************************************************/
-/**
- * Software-based region allocation and management.
- * A hardware driver would override these functions.
+/* 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 "sp_context.h"
+#include "sp_winsys.h"
#include "sp_region.h"
-#include "sp_surface.h"
-#include "main/imports.h"
+static void
+sp_region_idle(struct pipe_context *pipe, struct pipe_region *region)
+{
+
+}
+
+
+static GLubyte *
+sp_region_map(struct pipe_context *pipe, struct pipe_region *region)
+{
+ struct softpipe_context *sp = softpipe_context( pipe );
+
+ if (!region->map_refcount++) {
+ region->map = sp->winsys->buffer_map( sp->winsys,
+ region->buffer );
+ }
+
+ return region->map;
+}
+
+static void
+sp_region_unmap(struct pipe_context *pipe, struct pipe_region *region)
+{
+ struct softpipe_context *sp = softpipe_context( pipe );
+
+ if (!--region->map_refcount) {
+ sp->winsys->buffer_unmap( sp->winsys,
+ region->buffer );
+ region->map = NULL;
+ }
+}
+
static struct pipe_region *
sp_region_alloc(struct pipe_context *pipe,
- GLuint cpp, GLuint pitch, GLuint height)
+ GLuint cpp, GLuint pitch, GLuint height)
{
- struct pipe_region *region = CALLOC_STRUCT(pipe_region);
- if (!region)
- return NULL;
+ struct softpipe_context *sp = softpipe_context( pipe );
+ struct pipe_region *region = calloc(sizeof(*region), 1);
- region->refcount = 1;
region->cpp = cpp;
region->pitch = pitch;
- region->height = height;
- region->map = malloc(cpp * pitch * height);
+ region->height = height; /* needed? */
+ region->refcount = 1;
+
+ region->buffer = sp->winsys->create_buffer(sp->winsys, "region", 64 );
+
+ sp->winsys->buffer_data( sp->winsys,
+ region->buffer,
+ pitch * cpp * height,
+ NULL );
return region;
}
-
static void
sp_region_release(struct pipe_context *pipe, struct pipe_region **region)
{
- assert((*region)->refcount > 0);
+ struct softpipe_context *sp = softpipe_context( pipe );
+
+ if (!*region)
+ return;
+
+ ASSERT((*region)->refcount > 0);
(*region)->refcount--;
if ((*region)->refcount == 0) {
assert((*region)->map_refcount == 0);
-#if 0
- if ((*region)->pbo)
- (*region)->pbo->region = NULL;
- (*region)->pbo = NULL;
-#endif
-
+ sp->winsys->buffer_unreference( sp->winsys,
+ (*region)->buffer );
free(*region);
}
*region = NULL;
}
-
-static GLubyte *
-sp_region_map(struct pipe_context *pipe, struct pipe_region *region)
+/*
+ * 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)
{
- region->map_refcount++;
- return region->map;
+ 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
-sp_region_unmap(struct pipe_context *pipe, struct pipe_region *region)
+sp_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)
{
- region->map_refcount--;
+ _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
+sp_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 );
+ _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);
+}
+
+/* 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)
{
@@ -105,93 +216,69 @@ sp_region_fill(struct pipe_context *pipe,
struct pipe_region *dst,
GLuint dst_offset,
GLuint dstx, GLuint dsty,
- GLuint width, GLuint height, GLuint value, GLuint mask)
+ GLuint width, GLuint height, GLuint value)
{
GLuint i, j;
+
+ (void)pipe->region_map(pipe, dst);
+
switch (dst->cpp) {
- case 1:
- {
- GLubyte *row = get_pointer(dst, dstx, dsty);
- if ((mask & 0xff) == 0xff) {
- /* no masking */
- for (i = 0; i < height; i++) {
- memset(row, value, width);
- row += dst->pitch;
- }
- }
- else {
- value &= mask;
- mask = ~mask;
- for (i = 0; i < height; i++) {
- for (j = 0; j < width; j++) {
- row[j] = (row[j] & mask) | value;
- }
- row += dst->pitch;
- }
- }
+ 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);
- if ((mask & 0xffff) == 0xffff) {
- /* no masking */
- for (i = 0; i < height; i++) {
- for (j = 0; j < width; j++)
- row[j] = value;
- row += dst->pitch;
- }
- }
- else {
- value &= mask;
- mask = ~mask;
- for (i = 0; i < height; i++) {
- for (j = 0; j < width; j++)
- row[j] = (row[j] & mask) | value;
- 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);
- if (mask == 0xffffffff) {
- /* no masking */
- for (i = 0; i < height; i++) {
- for (j = 0; j < width; j++)
- row[j] = value;
- row += dst->pitch;
- }
- }
- else {
- value &= mask;
- mask = ~mask;
- for (i = 0; i < height; i++) {
- for (j = 0; j < width; j++)
- row[j] = (row[j] & mask) | 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;
+ }
+ break;
default:
assert(0);
-
+ break;
}
+
+ pipe->region_unmap( pipe, dst );
+}
+
+
+
+static struct _DriBufferObject *
+sp_region_buffer(struct pipe_context *pipe,
+ struct pipe_region *region, GLuint flag)
+{
+ return region->buffer;
}
+
void
sp_init_region_functions(struct softpipe_context *sp)
{
- sp->pipe.region_alloc = sp_region_alloc;
- sp->pipe.region_release = sp_region_release;
-
+ sp->pipe.region_idle = sp_region_idle;
sp->pipe.region_map = sp_region_map;
sp->pipe.region_unmap = sp_region_unmap;
-
+ sp->pipe.region_alloc = sp_region_alloc;
+ sp->pipe.region_release = sp_region_release;
+ sp->pipe.region_data = sp_region_data;
+ sp->pipe.region_copy = sp_region_copy;
sp->pipe.region_fill = sp_region_fill;
-
- /* XXX lots of other region functions needed... */
+ sp->pipe.region_buffer = sp_region_buffer;
}
+
diff --git a/src/mesa/pipe/softpipe/sp_winsys.h b/src/mesa/pipe/softpipe/sp_winsys.h
new file mode 100644
index 00000000000..43953c648ba
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_winsys.h
@@ -0,0 +1,100 @@
+/**************************************************************************
+ *
+ * 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 SP_WINSYS_H
+#define SP_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 softpipe_buffer_handle;
+
+struct softpipe_winsys {
+
+
+ /* The buffer manager is modeled after the dri_bugmgr interface,
+ * but this is the subset that softpipe cares about. Remember that
+ * softpipe gets to choose the interface it needs, and the window
+ * systems must then implement that interface (rather than the
+ * other way around...).
+ *
+ * Softpipe only really wants to make system memory allocations,
+ * right??
+ */
+ struct softpipe_buffer_handle *(*create_buffer)(struct softpipe_winsys *sws,
+ const char *name,
+ unsigned alignment );
+
+ void *(*buffer_map)( struct softpipe_winsys *sws,
+ struct softpipe_buffer_handle *buf );
+
+ void (*buffer_unmap)( struct softpipe_winsys *sws,
+ struct softpipe_buffer_handle *buf );
+
+ struct softpipe_buffer_handle *(*buffer_reference)( struct softpipe_winsys *sws,
+ struct softpipe_buffer_handle *buf );
+
+ void (*buffer_unreference)( struct softpipe_winsys *sws,
+ struct softpipe_buffer_handle *buf );
+
+ void (*buffer_data)(struct softpipe_winsys *sws,
+ struct softpipe_buffer_handle *buf,
+ unsigned size, const void *data );
+
+ void (*buffer_subdata)(struct softpipe_winsys *sws,
+ struct softpipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ const void *data);
+
+ void (*buffer_get_subdata)(struct softpipe_winsys *sws,
+ struct softpipe_buffer_handle *buf,
+ unsigned long offset,
+ unsigned long size,
+ void *data);
+};
+
+
+struct pipe_context *softpipe_create( struct softpipe_winsys * );
+
+
+#endif /* SP_WINSYS_H */
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