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path: root/src/gallium/drivers/r300/r300_render.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_render.c')
-rw-r--r--src/gallium/drivers/r300/r300_render.c77
1 files changed, 24 insertions, 53 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index cbd84d7c56..cd458d019a 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -45,11 +45,7 @@ struct r300_render {
/* VBO */
struct pipe_buffer* vbo;
- size_t vbo_size;
- size_t vbo_offset;
- void* vbo_map;
size_t vbo_alloc_size;
- size_t vbo_max_used;
};
static INLINE struct r300_render*
@@ -78,24 +74,21 @@ static boolean r300_render_allocate_vertices(struct vbuf_render* render,
struct pipe_screen* screen = r300->context.screen;
size_t size = (size_t)vertex_size * (size_t)count;
- if (r300render->vbo) {
+ if (r300render->vbo && (size > r300render->vbo_alloc_size)) {
pipe_buffer_reference(&r300render->vbo, NULL);
}
+
+ if (!r300render->vbo) {
+ r300render->vbo = pipe_buffer_create(screen,
+ 64,
+ PIPE_BUFFER_USAGE_VERTEX,
+ size);
+ }
- r300render->vbo_size = MAX2(size, r300render->vbo_alloc_size);
- r300render->vbo_offset = 0;
- r300render->vbo = pipe_buffer_create(screen,
- 64,
- PIPE_BUFFER_USAGE_VERTEX,
- r300render->vbo_size);
-
+ r300render->vbo_alloc_size = MAX2(size, r300render->vbo_alloc_size);
r300render->vertex_size = vertex_size;
- if (r300render->vbo) {
- return TRUE;
- } else {
- return FALSE;
- }
+ return (r300render->vbo) ? TRUE : FALSE;
}
static void* r300_render_map_vertices(struct vbuf_render* render)
@@ -103,10 +96,8 @@ static void* r300_render_map_vertices(struct vbuf_render* render)
struct r300_render* r300render = r300_render(render);
struct pipe_screen* screen = r300render->r300->context.screen;
- r300render->vbo_map = pipe_buffer_map(screen, r300render->vbo,
- PIPE_BUFFER_USAGE_CPU_WRITE);
-
- return (unsigned char*)r300render->vbo_map + r300render->vbo_offset;
+ return (unsigned char*)pipe_buffer_map(screen, r300render->vbo,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
}
static void r300_render_unmap_vertices(struct vbuf_render* render,
@@ -116,9 +107,6 @@ static void r300_render_unmap_vertices(struct vbuf_render* render,
struct r300_render* r300render = r300_render(render);
struct pipe_screen* screen = r300render->r300->context.screen;
- r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
- r300render->vertex_size * (max + 1));
-
pipe_buffer_unmap(screen, r300render->vbo);
}
@@ -180,27 +168,9 @@ static void prepare_render(struct r300_render* render, unsigned count)
CS_LOCALS(r300);
- /* Make sure that all possible state is emitted. */
- r300_emit_dirty_state(r300);
+ r300->vbo = render->vbo;
- debug_printf("r300: Preparing vertex buffer %p for render, "
- "vertex size %d, vertex count %d\n", render->vbo,
- r300->vertex_info.vinfo.size, count);
- /* Set the pointer to our vertex buffer. The emitted values are this:
- * PACKET3 [3D_LOAD_VBPNTR]
- * COUNT [1]
- * FORMAT [size | stride << 8]
- * OFFSET [0]
- * VBPNTR [relocated BO]
- */
- BEGIN_CS(7);
- OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, 3);
- OUT_CS(1);
- OUT_CS(r300->vertex_info.vinfo.size |
- (r300->vertex_info.vinfo.size << 8));
- OUT_CS(render->vbo_offset);
- OUT_CS_RELOC(render->vbo, 0, RADEON_GEM_DOMAIN_GTT, 0, 0);
- END_CS;
+ r300_emit_dirty_state(r300);
}
static void r300_render_draw_arrays(struct vbuf_render* render,
@@ -212,8 +182,6 @@ static void r300_render_draw_arrays(struct vbuf_render* render,
CS_LOCALS(r300);
- r300render->vbo_offset = start;
-
prepare_render(r300render, count);
debug_printf("r300: Doing vbuf render, count %d\n", count);
@@ -248,13 +216,14 @@ static void r300_render_draw(struct vbuf_render* render,
return;
}
+/*
index_map = pipe_buffer_map(screen, index_buffer,
PIPE_BUFFER_USAGE_CPU_WRITE);
memcpy(index_map, indices, count);
pipe_buffer_unmap(screen, index_buffer);
debug_printf("r300: Doing indexbuf render, count %d\n", count);
-/*
+
BEGIN_CS(8);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
@@ -264,13 +233,15 @@ static void r300_render_draw(struct vbuf_render* render,
OUT_CS_INDEX_RELOC(index_buffer, 0, count, RADEON_GEM_DOMAIN_GTT, 0, 0);
END_CS; */
- BEGIN_CS(2 + count);
- OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, count);
+ BEGIN_CS(2 + (count+1)/2);
+ OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2);
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
- r300render->hwprim | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
- for (i = 0; i < count; i++) {
- index = indices[i];
- OUT_CS(index);
+ r300render->hwprim);
+ for (i = 0; i < count-1; i += 2) {
+ OUT_CS(indices[i+1] << 16 | indices[i]);
+ }
+ if (count % 2) {
+ OUT_CS(indices[count-1]);
}
END_CS;
}