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authorKeith Whitwell <keith@tungstengraphics.com>2008-05-29 11:46:43 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-05-29 11:48:04 +0100
commit82605d7bcd533d7c96cc619c45970efd7229dc3b (patch)
treedd447161d0a5c12ce3350d1fa34bee980f642a44 /src/gallium
parentcb87d7e44a6d6b1b4239b4e38c76c6bb848d2ef6 (diff)
draw: draw_range_elements trial
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/auxiliary/draw/draw_context.c20
-rw-r--r--src/gallium/auxiliary/draw/draw_context.h10
-rw-r--r--src/gallium/auxiliary/draw/draw_private.h2
-rw-r--r--src/gallium/auxiliary/draw/draw_pt.h9
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_fetch_emit.c48
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c49
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c80
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_vcache.c123
-rw-r--r--src/gallium/drivers/softpipe/sp_context.c1
-rw-r--r--src/gallium/drivers/softpipe/sp_draw_arrays.c31
-rw-r--r--src/gallium/drivers/softpipe/sp_state.h7
-rw-r--r--src/gallium/include/pipe/p_context.h14
12 files changed, 381 insertions, 13 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index 8509baf865..bcec85c2ef 100644
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -348,14 +348,30 @@ void draw_set_edgeflags( struct draw_context *draw,
* \param elements the element buffer ptr
*/
void
-draw_set_mapped_element_buffer( struct draw_context *draw,
- unsigned eltSize, void *elements )
+draw_set_mapped_element_buffer_range( struct draw_context *draw,
+ unsigned eltSize,
+ unsigned min_index,
+ unsigned max_index,
+ void *elements )
{
draw->pt.user.elts = elements;
draw->pt.user.eltSize = eltSize;
+ draw->pt.user.min_index = min_index;
+ draw->pt.user.max_index = max_index;
}
+void
+draw_set_mapped_element_buffer( struct draw_context *draw,
+ unsigned eltSize,
+ void *elements )
+{
+ draw->pt.user.elts = elements;
+ draw->pt.user.eltSize = eltSize;
+ draw->pt.user.min_index = 0;
+ draw->pt.user.max_index = 0xffffffff;
+}
+
/* Revamp me please:
*/
diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h
index c5c3d3b09e..8dd03cb79e 100644
--- a/src/gallium/auxiliary/draw/draw_context.h
+++ b/src/gallium/auxiliary/draw/draw_context.h
@@ -118,8 +118,16 @@ void draw_set_vertex_elements(struct draw_context *draw,
unsigned count,
const struct pipe_vertex_element *elements);
+void
+draw_set_mapped_element_buffer_range( struct draw_context *draw,
+ unsigned eltSize,
+ unsigned min_index,
+ unsigned max_index,
+ void *elements );
+
void draw_set_mapped_element_buffer( struct draw_context *draw,
- unsigned eltSize, void *elements );
+ unsigned eltSize,
+ void *elements );
void draw_set_mapped_vertex_buffer(struct draw_context *draw,
unsigned attr, const void *buffer);
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 4cbccc8b5b..40f1d978f2 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -147,6 +147,8 @@ struct draw_context
const void *elts;
/** bytes per index (0, 1, 2 or 4) */
unsigned eltSize;
+ unsigned min_index;
+ unsigned max_index;
/** vertex arrays */
const void *vbuffer[PIPE_MAX_ATTRIBS];
diff --git a/src/gallium/auxiliary/draw/draw_pt.h b/src/gallium/auxiliary/draw/draw_pt.h
index e03816ebbc..6b8ba1d171 100644
--- a/src/gallium/auxiliary/draw/draw_pt.h
+++ b/src/gallium/auxiliary/draw/draw_pt.h
@@ -96,6 +96,15 @@ struct draw_pt_middle_end {
unsigned start,
unsigned count);
+ /* Transform all vertices in a linear range and then draw them with
+ * the supplied element list.
+ */
+ void (*run_linear_elts)( struct draw_pt_middle_end *,
+ unsigned fetch_start,
+ unsigned fetch_count,
+ const ushort *draw_elts,
+ unsigned draw_count );
+
void (*finish)( struct draw_pt_middle_end * );
void (*destroy)( struct draw_pt_middle_end * );
};
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c
index a1d041a74f..09bdc5fb5e 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_emit.c
@@ -311,6 +311,53 @@ static void fetch_emit_run_linear( struct draw_pt_middle_end *middle,
}
+static void fetch_emit_run_linear_elts( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_emit_middle_end *feme = (struct fetch_emit_middle_end *)middle;
+ struct draw_context *draw = feme->draw;
+ void *hw_verts;
+
+ /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+ */
+ draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+ hw_verts = draw->render->allocate_vertices( draw->render,
+ (ushort)feme->translate->key.output_stride,
+ (ushort)count );
+ if (!hw_verts) {
+ assert(0);
+ return;
+ }
+
+ /* Single routine to fetch vertices and emit HW verts.
+ */
+ feme->translate->run( feme->translate,
+ start,
+ count,
+ hw_verts );
+
+ /* XXX: Draw arrays path to avoid re-emitting index list again and
+ * again.
+ */
+ draw->render->draw( draw->render,
+ draw_elts,
+ draw_count );
+
+ /* Done -- that was easy, wasn't it:
+ */
+ draw->render->release_vertices( draw->render,
+ hw_verts,
+ feme->translate->key.output_stride,
+ count );
+
+}
+
+
+
static void fetch_emit_finish( struct draw_pt_middle_end *middle )
{
@@ -343,6 +390,7 @@ struct draw_pt_middle_end *draw_pt_fetch_emit( struct draw_context *draw )
fetch_emit->base.prepare = fetch_emit_prepare;
fetch_emit->base.run = fetch_emit_run;
fetch_emit->base.run_linear = fetch_emit_run_linear;
+ fetch_emit->base.run_linear_elts = fetch_emit_run_linear_elts;
fetch_emit->base.finish = fetch_emit_finish;
fetch_emit->base.destroy = fetch_emit_destroy;
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
index 5265a13160..efa6dddbda 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_emit.c
@@ -310,6 +310,54 @@ fse_run(struct draw_pt_middle_end *middle,
}
+
+static void fse_run_linear_elts( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_shade_emit *fse = (struct fetch_shade_emit *)middle;
+ struct draw_context *draw = fse->draw;
+ unsigned alloc_count = align(count, 4);
+ char *hw_verts;
+
+ /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+ */
+ draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+ hw_verts = draw->render->allocate_vertices( draw->render,
+ (ushort)fse->key.output_stride,
+ (ushort)alloc_count );
+
+ if (!hw_verts) {
+ assert(0);
+ return;
+ }
+
+ /* Single routine to fetch vertices, run shader and emit HW verts.
+ * Clipping is done elsewhere -- either by the API or on hardware,
+ * or for some other reason not required...
+ */
+ fse->active->run_linear( fse->active,
+ start, count,
+ hw_verts );
+
+
+ draw->render->draw( draw->render,
+ draw_elts,
+ draw_count );
+
+
+
+ draw->render->release_vertices( draw->render,
+ hw_verts,
+ fse->key.output_stride,
+ count );
+}
+
+
+
static void fse_finish( struct draw_pt_middle_end *middle )
{
}
@@ -330,6 +378,7 @@ struct draw_pt_middle_end *draw_pt_middle_fse( struct draw_context *draw )
fse->base.prepare = fse_prepare;
fse->base.run = fse_run;
fse->base.run_linear = fse_run_linear;
+ fse->base.run_linear_elts = fse_run_linear_elts;
fse->base.finish = fse_finish;
fse->base.destroy = fse_destroy;
fse->draw = draw;
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
index 06718779a5..c58a900867 100644
--- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
+++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline.c
@@ -98,7 +98,6 @@ static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle,
-
static void fetch_pipeline_run( struct draw_pt_middle_end *middle,
const unsigned *fetch_elts,
unsigned fetch_count,
@@ -251,6 +250,84 @@ static void fetch_pipeline_linear_run( struct draw_pt_middle_end *middle,
+static void fetch_pipeline_linear_run_elts( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle;
+ struct draw_context *draw = fpme->draw;
+ struct draw_vertex_shader *shader = draw->vs.vertex_shader;
+ unsigned opt = fpme->opt;
+ unsigned alloc_count = align_int( count, 4 );
+
+ struct vertex_header *pipeline_verts =
+ (struct vertex_header *)MALLOC(fpme->vertex_size * alloc_count);
+
+ if (!pipeline_verts) {
+ /* Not much we can do here - just skip the rendering.
+ */
+ assert(0);
+ return;
+ }
+
+ /* Fetch into our vertex buffer
+ */
+ draw_pt_fetch_run_linear( fpme->fetch,
+ start,
+ count,
+ (char *)pipeline_verts );
+
+ /* Run the shader, note that this overwrites the data[] parts of
+ * the pipeline verts. If there is no shader, ie a bypass shader,
+ * then the inputs == outputs, and are already in the correct
+ * place.
+ */
+ if (opt & PT_SHADE)
+ {
+ shader->run_linear(shader,
+ (const float (*)[4])pipeline_verts->data,
+ ( float (*)[4])pipeline_verts->data,
+ (const float (*)[4])draw->pt.user.constants,
+ count,
+ fpme->vertex_size,
+ fpme->vertex_size);
+ }
+
+ if (draw_pt_post_vs_run( fpme->post_vs,
+ pipeline_verts,
+ count,
+ fpme->vertex_size ))
+ {
+ opt |= PT_PIPELINE;
+ }
+
+ /* Do we need to run the pipeline?
+ */
+ if (opt & PT_PIPELINE) {
+ draw_pipeline_run( fpme->draw,
+ fpme->prim,
+ pipeline_verts,
+ count,
+ fpme->vertex_size,
+ draw_elts,
+ draw_count );
+ }
+ else {
+ draw_pt_emit( fpme->emit,
+ (const float (*)[4])pipeline_verts->data,
+ count,
+ fpme->vertex_size,
+ draw_elts,
+ draw_count );
+ }
+
+ FREE(pipeline_verts);
+}
+
+
+
static void fetch_pipeline_finish( struct draw_pt_middle_end *middle )
{
/* nothing to do */
@@ -282,6 +359,7 @@ struct draw_pt_middle_end *draw_pt_fetch_pipeline_or_emit( struct draw_context *
fpme->base.prepare = fetch_pipeline_prepare;
fpme->base.run = fetch_pipeline_run;
fpme->base.run_linear = fetch_pipeline_linear_run;
+ fpme->base.run_linear_elts = fetch_pipeline_linear_run_elts;
fpme->base.finish = fetch_pipeline_finish;
fpme->base.destroy = fetch_pipeline_destroy;
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c
index 96e02fbf3a..720b91b8e6 100644
--- a/src/gallium/auxiliary/draw/draw_pt_vcache.c
+++ b/src/gallium/auxiliary/draw/draw_pt_vcache.c
@@ -36,8 +36,8 @@
#include "draw/draw_pt.h"
-#define CACHE_MAX 32
-#define FETCH_MAX 128
+#define CACHE_MAX 1024
+#define FETCH_MAX 4096
#define DRAW_MAX (16*1024)
struct vcache_frontend {
@@ -201,7 +201,124 @@ static void vcache_ef_quad( struct vcache_frontend *vcache,
#define FUNC vcache_run
#include "draw_pt_vcache_tmp.h"
+static void translate_uint_elts( const unsigned *src,
+ unsigned count,
+ int delta,
+ ushort *dest )
+{
+ unsigned i;
+
+ for (i = 0; i < count; i++)
+ dest[i] = (ushort)(src[i] + delta);
+}
+
+static void translate_ushort_elts( const ushort *src,
+ unsigned count,
+ int delta,
+ ushort *dest )
+{
+ unsigned i;
+
+ for (i = 0; i < count; i++)
+ dest[i] = (ushort)(src[i] + delta);
+}
+static void translate_ubyte_elts( const ubyte *src,
+ unsigned count,
+ int delta,
+ ushort *dest )
+{
+ unsigned i;
+
+ for (i = 0; i < count; i++)
+ dest[i] = (ushort)(src[i] + delta);
+}
+
+#if 0
+static enum pipe_format format_from_get_elt( pt_elt_func get_elt )
+{
+ switch (draw->pt.user.eltSize) {
+ case 1: return PIPE_FORMAT_R8_UNORM;
+ case 2: return PIPE_FORMAT_R16_UNORM;
+ case 4: return PIPE_FORMAT_R32_UNORM;
+ default: return PIPE_FORMAT_NONE;
+ }
+}
+#endif
+
+static void vcache_check_run( struct draw_pt_front_end *frontend,
+ pt_elt_func get_elt,
+ const void *elts,
+ unsigned draw_count )
+{
+ struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
+ struct draw_context *draw = vcache->draw;
+ unsigned min_index = draw->pt.user.min_index;
+ unsigned max_index = draw->pt.user.max_index;
+ unsigned index_size = draw->pt.user.eltSize;
+ unsigned fetch_count = MAX2(max_index, max_index + 1 - min_index);
+ const ushort *transformed_elts;
+ ushort *storage = NULL;
+
+ printf("fetch_count %x\n", fetch_count);
+
+ if (fetch_count >= FETCH_MAX ||
+ fetch_count > draw_count)
+ goto fail;
+
+
+ if (min_index == 0 &&
+ index_size == 2)
+ {
+ transformed_elts = (const ushort *)elts;
+ }
+ else
+ {
+ storage = MALLOC( draw_count * sizeof(ushort) );
+ if (!storage)
+ goto fail;
+
+ switch(index_size) {
+ case 1:
+ translate_ubyte_elts( (const ubyte *)elts,
+ draw_count,
+ 0 - (int)min_index,
+ storage );
+ break;
+
+ case 2:
+ translate_ushort_elts( (const ushort *)elts,
+ draw_count,
+ 0 - (int)min_index,
+ storage );
+ break;
+
+ case 4:
+ translate_uint_elts( (const uint *)elts,
+ draw_count,
+ 0 - (int)min_index,
+ storage );
+ break;
+
+ default:
+ assert(0);
+ return;
+ }
+ transformed_elts = storage;
+ }
+
+ vcache->middle->run_linear_elts( vcache->middle,
+ min_index, /* start */
+ fetch_count,
+ transformed_elts,
+ draw_count );
+
+ FREE(storage);
+ return;
+
+ fail:
+ vcache_run( frontend, get_elt, elts, draw_count );
+}
@@ -219,7 +336,7 @@ static void vcache_prepare( struct draw_pt_front_end *frontend,
}
else
{
- vcache->base.run = vcache_run;
+ vcache->base.run = vcache_check_run;
}
vcache->input_prim = prim;
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 045a1f74a9..1e0106b86c 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -179,6 +179,7 @@ softpipe_create( struct pipe_screen *screen,
softpipe->pipe.draw_arrays = softpipe_draw_arrays;
softpipe->pipe.draw_elements = softpipe_draw_elements;
+ softpipe->pipe.draw_range_elements = softpipe_draw_range_elements;
softpipe->pipe.set_edgeflags = softpipe_set_edgeflags;
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index 6c58f9909d..dbecf6865f 100644
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -108,11 +108,14 @@ softpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
*
* XXX should the element buffer be specified/bound with a separate function?
*/
+
boolean
-softpipe_draw_elements(struct pipe_context *pipe,
- struct pipe_buffer *indexBuffer,
- unsigned indexSize,
- unsigned mode, unsigned start, unsigned count)
+softpipe_draw_range_elements(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned min_index,
+ unsigned max_index,
+ unsigned mode, unsigned start, unsigned count)
{
struct softpipe_context *sp = softpipe_context(pipe);
struct draw_context *draw = sp->draw;
@@ -141,11 +144,14 @@ softpipe_draw_elements(struct pipe_context *pipe,
void *mapped_indexes
= pipe->winsys->buffer_map(pipe->winsys, indexBuffer,
PIPE_BUFFER_USAGE_CPU_READ);
- draw_set_mapped_element_buffer(draw, indexSize, mapped_indexes);
+ draw_set_mapped_element_buffer_range(draw, indexSize,
+ min_index,
+ max_index,
+ mapped_indexes);
}
else {
/* no index/element buffer */
- draw_set_mapped_element_buffer(draw, 0, NULL);
+ draw_set_mapped_element_buffer_range(draw, 0, start, start + count - 1, NULL);
}
@@ -171,6 +177,19 @@ softpipe_draw_elements(struct pipe_context *pipe,
return TRUE;
}
+boolean
+softpipe_draw_elements(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned mode, unsigned start, unsigned count)
+{
+ return softpipe_draw_range_elements( pipe, indexBuffer,
+ indexSize,
+ 0, 0xffffffff,
+ mode, start, count );
+}
+
+
void
softpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags)
diff --git a/src/gallium/drivers/softpipe/sp_state.h b/src/gallium/drivers/softpipe/sp_state.h
index 452e51fa79..701e02b295 100644
--- a/src/gallium/drivers/softpipe/sp_state.h
+++ b/src/gallium/drivers/softpipe/sp_state.h
@@ -171,6 +171,13 @@ boolean softpipe_draw_elements(struct pipe_context *pipe,
struct pipe_buffer *indexBuffer,
unsigned indexSize,
unsigned mode, unsigned start, unsigned count);
+boolean
+softpipe_draw_range_elements(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned min_index,
+ unsigned max_index,
+ unsigned mode, unsigned start, unsigned count);
void
softpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags);
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index 0f68f592f7..faf112c6d6 100644
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -76,6 +76,20 @@ struct pipe_context {
struct pipe_buffer *indexBuffer,
unsigned indexSize,
unsigned mode, unsigned start, unsigned count);
+
+ /* XXX: this is (probably) a temporary entrypoint, as the range
+ * information should be available from the vertex_buffer state.
+ * Using this to quickly evaluate a specialized path in the draw
+ * module.
+ */
+ boolean (*draw_range_elements)( struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned minIndex,
+ unsigned maxIndex,
+ unsigned mode,
+ unsigned start,
+ unsigned count);
/*@}*/