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freedreno/ir3: lower TXP as needed

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On a3xx, lower TXP for 3D textures, on a4xx lower all TXP.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2014-12-06 15:24:23 -05:00
parent 5b38a1740b
commit eb6fd3b8eb
3 changed files with 19 additions and 3 deletions
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8
src/gallium/drivers/freedreno/ir3/ir3_compiler.c
View file

@ -170,6 +170,14 @@ compile_init(struct ir3_compile_context *ctx, struct ir3_shader_variant *so,
break;
}
if (ir3_shader_gpuid(so->shader) >= 400) {
/* a4xx seems to have *no* sam.p */
lconfig.lower_TXP = ~0; /* lower all txp */
} else {
/* a3xx just needs to avoid sam.p for 3d tex */
lconfig.lower_TXP = (1 << TGSI_TEXTURE_3D);
}
ctx->tokens = tgsi_transform_lowering(&lconfig, tokens, &ctx->info);
ctx->free_tokens = !!ctx->tokens;
if (!ctx->tokens) {

12
src/gallium/drivers/freedreno/ir3/ir3_shader.c
View file

@ -54,9 +54,10 @@ static void
assemble_variant(struct ir3_shader_variant *v)
{
struct fd_context *ctx = fd_context(v->shader->pctx);
uint32_t gpu_id = ir3_shader_gpuid(v->shader);
uint32_t sz, *bin;
bin = ir3_assemble(v->ir, &v->info, ctx->screen->gpu_id);
bin = ir3_assemble(v->ir, &v->info, gpu_id);
sz = v->info.sizedwords * 4;
v->bo = fd_bo_new(ctx->dev, sz,
@ -67,7 +68,7 @@ assemble_variant(struct ir3_shader_variant *v)
free(bin);
if (ctx->screen->gpu_id >= 400) {
if (gpu_id >= 400) {
v->instrlen = v->info.sizedwords / (2 * 16);
} else {
v->instrlen = v->info.sizedwords / (2 * 4);
@ -177,6 +178,13 @@ fail:
return NULL;
}
uint32_t
ir3_shader_gpuid(struct ir3_shader *shader)
{
struct fd_context *ctx = fd_context(shader->pctx);
return ctx->screen->gpu_id;
}
struct ir3_shader_variant *
ir3_shader_variant(struct ir3_shader *shader, struct ir3_shader_key key)
{

2
src/gallium/drivers/freedreno/ir3/ir3_shader.h
View file

@ -214,7 +214,7 @@ struct ir3_shader {
struct ir3_shader * ir3_shader_create(struct pipe_context *pctx,
const struct tgsi_token *tokens, enum shader_t type);
void ir3_shader_destroy(struct ir3_shader *shader);
uint32_t ir3_shader_gpuid(struct ir3_shader *shader);
struct ir3_shader_variant * ir3_shader_variant(struct ir3_shader *shader,
struct ir3_shader_key key);