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only fetch as much vertex data as needed

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This commit is contained in:
Brian 2008-01-02 19:05:34 -07:00
parent d55c4ec9d2
commit 54090bd841
3 changed files with 9 additions and 5 deletions
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2
src/mesa/pipe/cell/common.h
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@ -76,7 +76,7 @@ struct cell_command_clear_tiles
struct cell_command_render
{
uint prim_type;
uint num_verts;
uint num_verts, num_attribs;
float xmin, ymin, xmax, ymax;
void *vertex_data;
} ALIGN16_ATTRIB;

1
src/mesa/pipe/cell/ppu/cell_render.c
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@ -155,6 +155,7 @@ cell_flush_prim_buffer(struct cell_context *cell)
struct cell_command_render *render = &cell_global.command[i].render;
render->prim_type = PIPE_PRIM_TRIANGLES;
render->num_verts = cell->prim_buffer.num_verts;
render->num_attribs = CELL_MAX_ATTRIBS;
render->xmin = cell->prim_buffer.xmin;
render->ymin = cell->prim_buffer.ymin;
render->xmax = cell->prim_buffer.xmax;

11
src/mesa/pipe/cell/spu/main.c
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@ -144,7 +144,7 @@ render(const struct cell_command_render *render)
const uint num_tiles = fb.width_tiles * fb.height_tiles;
struct cell_prim_buffer prim_buffer ALIGN16_ATTRIB;
int tag = DefaultTag;
uint i, j;
uint i, j, vertex_bytes;
/*
printf("SPU %u: RENDER buffer dst=%p src=%p size=%d\n",
@ -155,10 +155,13 @@ render(const struct cell_command_render *render)
ASSERT_ALIGN16(render->vertex_data);
ASSERT_ALIGN16(&prim_buffer);
/* how much vertex data */
vertex_bytes = render->num_verts * render->num_attribs * 4 * sizeof(float);
/* get vertex data from main memory */
mfc_get(&prim_buffer, /* dest */
(unsigned int) render->vertex_data, /* src */
sizeof(prim_buffer), /* bytes */
vertex_bytes, /* size */
tag,
0, /* tid */
0 /* rid */);
@ -166,8 +169,8 @@ render(const struct cell_command_render *render)
/* loop over tiles */
for (i = init.id; i < num_tiles; i += init.num_spus) {
uint tx = i % fb.width_tiles;
uint ty = i / fb.width_tiles;
const uint tx = i % fb.width_tiles;
const uint ty = i / fb.width_tiles;
get_tile(&fb, tx, ty, (uint *) tile, DefaultTag);
wait_on_mask(1 << DefaultTag); /* XXX temporary */