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r300g: fill out the shader limits

This commit is contained in:
Marek Olšák 2010-05-13 01:45:57 +02:00
parent 617c51daf2
commit dca2a9fcd4
1 changed files with 56 additions and 2 deletions
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58
src/gallium/drivers/r300/r300_screen.c
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@ -79,6 +79,11 @@ static const char* r300_get_name(struct pipe_screen* pscreen)
static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
{
struct r300_screen* r300screen = r300_screen(pscreen);
boolean is_r400 = r300screen->caps.is_r400;
boolean is_r500 = r300screen->caps.is_r500;
/* XXX extended shader capabilities of r400 unimplemented */
is_r400 = FALSE;
switch (param) {
case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
@ -122,7 +127,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
if (r300screen->caps.is_r500) {
if (is_r500) {
/* 13 == 4096 */
return 13;
} else {
@ -140,7 +145,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
return 1;
case PIPE_CAP_SM3:
if (r300screen->caps.is_r500) {
if (is_r500) {
return 1;
} else {
return 0;
@ -159,6 +164,55 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return 0;
/* Fragment shader limits. */
case PIPE_CAP_MAX_FS_INSTRUCTIONS:
return is_r500 || is_r400 ? 512 : 96;
case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS:
return is_r500 || is_r400 ? 512 : 64;
case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS:
return is_r500 || is_r400 ? 512 : 32;
case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS:
return is_r500 ? 512 : 4;
case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH:
return is_r500 ? 64 : 0; /* Actually unlimited on r500. */
case PIPE_CAP_MAX_FS_INPUTS:
/* 2 colors + 8 texcoords are always supported
* (minus fog and wpos).
*
* R500 has the ability to turn 3rd and 4th color into
* additional texcoords but there is no two-sided color
* selection then. However the facing bit can be used instead. */
return 10;
case PIPE_CAP_MAX_FS_CONSTS:
return is_r500 ? 256 : 32;
case PIPE_CAP_MAX_FS_TEMPS:
return is_r500 ? 128 : is_r400 ? 64 : 32;
case PIPE_CAP_MAX_FS_ADDRS:
return 0;
case PIPE_CAP_MAX_FS_PREDS:
return is_r500 ? 1 : 0;
/* Vertex shader limits. */
case PIPE_CAP_MAX_VS_INSTRUCTIONS:
case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS:
return is_r500 ? 1024 : 256;
case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS:
case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS:
return 0;
case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH:
return is_r500 ? 4 : 0; /* For loops; not sure about conditionals. */
case PIPE_CAP_MAX_VS_INPUTS:
return 16;
case PIPE_CAP_MAX_VS_CONSTS:
return 256;
case PIPE_CAP_MAX_VS_TEMPS:
return 32;
case PIPE_CAP_MAX_VS_ADDRS:
return 1; /* XXX guessed */
case PIPE_CAP_MAX_VS_PREDS:
return is_r500 ? 4 : 0; /* XXX guessed. */
default:
fprintf(stderr, "r300: Implementation error: Bad param %d\n",
param);