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start ARB_gpu_shader5 support.

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start handling gpu_shader nonconst

gpu_shader5: add invocation id support

more of textureGather sm5
macos/master
Dave Airlie 9 years ago committed by Dave Airlie
parent 6f67669641
commit 775e976eba
1 changed files with 101 additions and 28 deletions
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  1. 81
      src/vrend_shader.c

81
src/vrend_shader.c
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@ -125,6 +125,7 @@ struct dump_ctx {
int fs_coord_origin, fs_pixel_center;
int gs_in_prim, gs_out_prim, gs_max_out_verts;
int gs_num_invocations;
struct vrend_shader_key *key;
int indent_level;
@ -142,6 +143,7 @@ struct dump_ctx {
bool has_frag_viewport_idx;
bool vs_has_pervertex;
bool uses_sample_shading;
bool uses_gpu_shader5;
};
static inline const char *tgsi_proc_to_prefix(int shader_type)
@ -679,6 +681,10 @@ iter_declaration(struct tgsi_iterate_context *iter,
} else if (decl->Semantic.Name == TGSI_SEMANTIC_SAMPLEPOS) {
name_prefix = "gl_SamplePosition";
ctx->uses_sample_shading = true;
} else if (decl->Semantic.Name == TGSI_SEMANTIC_INVOCATIONID) {
name_prefix = "gl_InvocationID";
ctx->has_ints = true;
ctx->uses_gpu_shader5 = true;
} else {
fprintf(stderr, "unsupported system value %d\n", decl->Semantic.Name);
name_prefix = "unknown";
@ -723,6 +729,10 @@ iter_property(struct tgsi_iterate_context *iter,
if (prop->Property.PropertyName == TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES) {
ctx->gs_max_out_verts = prop->u[0].Data;
}
if (prop->Property.PropertyName == TGSI_PROPERTY_GS_INVOCATIONS) {
ctx->gs_num_invocations = prop->u[0].Data;
}
return TRUE;
}
@ -1195,6 +1205,8 @@ static int translate_tex(struct dump_ctx *ctx,
case TGSI_TEXTURE_3D:
if (inst->Instruction.Opcode == TGSI_OPCODE_TXP)
twm = "";
else if (inst->Instruction.Opcode == TGSI_OPCODE_TG4)
twm = ".xy";
else
twm = ".xyz";
txfi = "ivec3";
@ -1218,6 +1230,9 @@ static int translate_tex(struct dump_ctx *ctx,
case TGSI_TEXTURE_SHADOWCUBE_ARRAY:
case TGSI_TEXTURE_CUBE_ARRAY:
default:
if (inst->Instruction.Opcode == TGSI_OPCODE_TG4 && inst->Texture.Texture != TGSI_TEXTURE_CUBE_ARRAY)
twm = ".xyz";
else
twm = "";
txfi = "";
break;
@ -1273,8 +1288,23 @@ static int translate_tex(struct dump_ctx *ctx,
snprintf(bias, 128, ", %s%s, %s%s", srcs[1], gwm, srcs[2], gwm);
sampler_index = 3;
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TG4) {
sampler_index = 2;
ctx->uses_tg4 = true;
if (inst->Texture.NumOffsets > 1 || is_shad)
ctx->uses_gpu_shader5 = true;
if (inst->Texture.NumOffsets == 1) {
if (inst->TexOffsets[0].File != TGSI_FILE_IMMEDIATE)
ctx->uses_gpu_shader5 = true;
}
if (is_shad) {
if (inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE ||
inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D_ARRAY ||
inst->Texture.Texture == TGSI_TEXTURE_SHADOWCUBE_ARRAY)
snprintf(bias, 64, ", %s.w", srcs[0]);
else
snprintf(bias, 64, ", %s.z", srcs[0]);
}
} else
bias[0] = 0;
@ -1298,7 +1328,9 @@ static int translate_tex(struct dump_ctx *ctx,
else
tex_ext = "Grad";
} else if (inst->Instruction.Opcode == TGSI_OPCODE_TG4) {
if (inst->Texture.NumOffsets == 1)
if (inst->Texture.NumOffsets == 4)
tex_ext = "GatherOffsets";
else if (inst->Texture.NumOffsets == 1)
tex_ext = "GatherOffset";
else
tex_ext = "Gather";
@ -1314,6 +1346,7 @@ static int translate_tex(struct dump_ctx *ctx,
fprintf(stderr, "Immediate exceeded, max is %lu\n", ARRAY_SIZE(ctx->imm));
return false;
}
if (inst->TexOffsets[0].File == TGSI_FILE_IMMEDIATE) {
struct immed *imd = &ctx->imm[inst->TexOffsets[0].Index];
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
@ -1338,7 +1371,37 @@ static int translate_tex(struct dump_ctx *ctx,
fprintf(stderr, "unhandled texture: %x\n", inst->Texture.Texture);
return false;
}
} else if (inst->TexOffsets[0].File == TGSI_FILE_TEMPORARY) {
switch (inst->Texture.Texture) {
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_1D_ARRAY:
case TGSI_TEXTURE_SHADOW1D:
case TGSI_TEXTURE_SHADOW1D_ARRAY:
snprintf(offbuf, 120, ", int(floatBitsToInt(temps[%d].%c))",
inst->TexOffsets[0].Index, get_swiz_char(inst->TexOffsets[0].SwizzleX));
break;
case TGSI_TEXTURE_RECT:
case TGSI_TEXTURE_SHADOWRECT:
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_2D_ARRAY:
case TGSI_TEXTURE_SHADOW2D:
case TGSI_TEXTURE_SHADOW2D_ARRAY:
snprintf(offbuf, 120, ", ivec2(floatBitsToInt(temps[%d].%c), floatBitsToInt(temps[%d].%c))",
inst->TexOffsets[0].Index, get_swiz_char(inst->TexOffsets[0].SwizzleX),
inst->TexOffsets[0].Index, get_swiz_char(inst->TexOffsets[0].SwizzleY));
break;
case TGSI_TEXTURE_3D:
snprintf(offbuf, 120, ", ivec2(floatBitsToInt(temps[%d].%c), floatBitsToInt(temps[%d].%c), floatBitsToInt(temps[%d].%c)",
inst->TexOffsets[0].Index, get_swiz_char(inst->TexOffsets[0].SwizzleX),
inst->TexOffsets[0].Index, get_swiz_char(inst->TexOffsets[0].SwizzleY),
inst->TexOffsets[0].Index, get_swiz_char(inst->TexOffsets[0].SwizzleZ));
break;
default:
fprintf(stderr, "unhandled texture: %x\n", inst->Texture.Texture);
return false;
break;
}
}
if (inst->Instruction.Opcode == TGSI_OPCODE_TXL || inst->Instruction.Opcode == TGSI_OPCODE_TXL2 || inst->Instruction.Opcode == TGSI_OPCODE_TXD) {
char tmp[128];
strcpy(tmp, offbuf);
@ -1355,7 +1418,7 @@ static int translate_tex(struct dump_ctx *ctx,
snprintf(buf, 255, "%s = texture2DRect(%s, %s.xy)%s;\n", dsts[0], srcs[sampler_index], srcs[0], writemask);
else if (inst->Texture.Texture == TGSI_TEXTURE_SHADOWRECT)
snprintf(buf, 255, "%s = shadow2DRect(%s, %s.xyz)%s;\n", dsts[0], srcs[sampler_index], srcs[0], writemask);
} else if (is_shad) { /* TGSI returns 1.0 in alpha */
} else if (is_shad && inst->Instruction.Opcode != TGSI_OPCODE_TG4) { /* TGSI returns 1.0 in alpha */
const char *cname = tgsi_proc_to_prefix(ctx->prog_type);
const struct tgsi_full_src_register *src = &inst->Src[sampler_index];
snprintf(buf, 255, "%s = %s(%s(vec4(vec4(texture%s(%s, %s%s%s%s)) * %sshadmask%d + %sshadadd%d)%s));\n", dsts[0], dstconv, dtypeprefix, tex_ext, srcs[sampler_index], srcs[0], twm, offbuf, bias, cname, src->Register.Index, cname, src->Register.Index, writemask);
@ -1683,6 +1746,7 @@ iter_instruction(struct tgsi_iterate_context *iter,
if (ctx->system_values[j].first == src->Register.Index) {
if (ctx->system_values[j].name == TGSI_SEMANTIC_VERTEXID ||
ctx->system_values[j].name == TGSI_SEMANTIC_INSTANCEID ||
ctx->system_values[j].name == TGSI_SEMANTIC_INVOCATIONID ||
ctx->system_values[j].name == TGSI_SEMANTIC_SAMPLEID)
snprintf(srcs[i], 255, "%s(vec4(intBitsToFloat(%s)))", stypeprefix, ctx->system_values[j].glsl_name);
else if (ctx->system_values[j].name == TGSI_SEMANTIC_SAMPLEPOS) {
@ -2173,6 +2237,9 @@ static char *emit_header(struct dump_ctx *ctx, char *glsl_hdr)
STRCAT_WITH_RET(glsl_hdr, "#extension GL_ARB_fragment_layer_viewport : require\n");
if (ctx->uses_sample_shading)
STRCAT_WITH_RET(glsl_hdr, "#extension GL_ARB_sample_shading : require\n");
if (ctx->uses_gpu_shader5)
STRCAT_WITH_RET(glsl_hdr, "#extension GL_ARB_gpu_shader5 : require\n");
return glsl_hdr;
}
@ -2261,7 +2328,13 @@ static char *emit_ios(struct dump_ctx *ctx, char *glsl_hdr)
}
}
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY) {
snprintf(buf, 255, "layout(%s) in;\n", prim_to_name(ctx->gs_in_prim));
char invocbuf[25];
if (ctx->gs_num_invocations)
snprintf(invocbuf, 25, ", invocations = %d", ctx->gs_num_invocations);
snprintf(buf, 255, "layout(%s%s) in;\n", prim_to_name(ctx->gs_in_prim),
ctx->gs_num_invocations > 1 ? invocbuf : "");
STRCAT_WITH_RET(glsl_hdr, buf);
snprintf(buf, 255, "layout(%s, max_vertices = %d) out;\n", prim_to_name(ctx->gs_out_prim), ctx->gs_max_out_verts);
STRCAT_WITH_RET(glsl_hdr, buf);

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