freedreno/ir3: lower txp/clamp in NIR
authorRob Clark <robclark@freedesktop.org>
Wed, 16 Sep 2015 17:42:21 +0000 (13:42 -0400)
committerRob Clark <robclark@freedesktop.org>
Sat, 19 Sep 2015 01:07:50 +0000 (21:07 -0400)
Signed-off-by: Rob Clark <robclark@freedesktop.org>
src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c

index d72464fb5a59ac16c23cc094a5eb776f2c5ea19f..c609d3c77fd92226fae826c13bda2c41015facf9 100644 (file)
@@ -127,10 +127,10 @@ struct ir3_compile {
 static struct ir3_instruction * create_immed(struct ir3_block *block, uint32_t val);
 static struct ir3_block * get_block(struct ir3_compile *ctx, nir_block *nblock);
 
-static struct nir_shader *to_nir(const struct tgsi_token *tokens,
-               struct ir3_shader_variant *so)
+static struct nir_shader *to_nir(struct ir3_compile *ctx,
+               const struct tgsi_token *tokens, struct ir3_shader_variant *so)
 {
-       struct nir_shader_compiler_options options = {
+       static const nir_shader_compiler_options options = {
                        .lower_fpow = true,
                        .lower_fsat = true,
                        .lower_scmp = true,
@@ -138,8 +138,33 @@ static struct nir_shader *to_nir(const struct tgsi_token *tokens,
                        .lower_ffract = true,
                        .native_integers = true,
        };
+       struct nir_lower_tex_options tex_options = {
+                       .lower_rect = 0,
+       };
        bool progress;
 
+       switch (so->type) {
+       case SHADER_FRAGMENT:
+       case SHADER_COMPUTE:
+               tex_options.saturate_s = so->key.fsaturate_s;
+               tex_options.saturate_t = so->key.fsaturate_t;
+               tex_options.saturate_r = so->key.fsaturate_r;
+               break;
+       case SHADER_VERTEX:
+               tex_options.saturate_s = so->key.vsaturate_s;
+               tex_options.saturate_t = so->key.vsaturate_t;
+               tex_options.saturate_r = so->key.vsaturate_r;
+               break;
+       }
+
+       if (ctx->compiler->gpu_id >= 400) {
+               /* a4xx seems to have *no* sam.p */
+               tex_options.lower_txp = ~0;  /* lower all txp */
+       } else {
+               /* a3xx just needs to avoid sam.p for 3d tex */
+               tex_options.lower_txp = (1 << GLSL_SAMPLER_DIM_3D);
+       }
+
        struct nir_shader *s = tgsi_to_nir(tokens, &options);
 
        if (fd_mesa_debug & FD_DBG_OPTMSGS) {
@@ -155,6 +180,7 @@ static struct nir_shader *to_nir(const struct tgsi_token *tokens,
        } else if (s->stage == MESA_SHADER_FRAGMENT) {
                nir_lower_clip_fs(s, so->key.ucp_enables);
        }
+       nir_lower_tex(s, &tex_options);
        nir_lower_idiv(s);
        nir_lower_load_const_to_scalar(s);
 
@@ -196,28 +222,6 @@ lower_tgsi(struct ir3_compile *ctx, const struct tgsi_token *tokens,
                        .color_two_side = so->key.color_two_side,
        };
 
-       switch (so->type) {
-       case SHADER_FRAGMENT:
-       case SHADER_COMPUTE:
-               lconfig.saturate_s = so->key.fsaturate_s;
-               lconfig.saturate_t = so->key.fsaturate_t;
-               lconfig.saturate_r = so->key.fsaturate_r;
-               break;
-       case SHADER_VERTEX:
-               lconfig.saturate_s = so->key.vsaturate_s;
-               lconfig.saturate_t = so->key.vsaturate_t;
-               lconfig.saturate_r = so->key.vsaturate_r;
-               break;
-       }
-
-       if (ctx->compiler->gpu_id >= 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);
-       }
-
        return tgsi_transform_lowering(&lconfig, tokens, &info);
 }
 
@@ -257,7 +261,7 @@ compile_init(struct ir3_compiler *compiler,
        lowered_tokens = lower_tgsi(ctx, tokens, so);
        if (!lowered_tokens)
                lowered_tokens = tokens;
-       ctx->s = to_nir(lowered_tokens, so);
+       ctx->s = to_nir(ctx, lowered_tokens, so);
 
        if (lowered_tokens != tokens)
                free((void *)lowered_tokens);