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tessellation: handle tess inner/outer/coord (v2)

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This adds support for tess factors and tess coord semantics

v2: remove no wm settings for some vars, fix int required for
vertices in, fix tessinner/outer building, handle primid/verticesin
as ints.

Tested-by: Elie Tournier <elie.tournier@collabora.com>
Reviewed-by: Elie Tournier <elie.tournier@collabora.com>
Tested-by: Jakob Bornecrantz <jakob@collabora.com>
macos/master
Dave Airlie 7 years ago
parent da14e72952
commit e5196d7a54
1 changed files with 43 additions and 2 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 45
      src/vrend_shader.c

45
src/vrend_shader.c
Unescape View File

@ -865,6 +865,24 @@ iter_declaration(struct tgsi_iterate_context *iter,
break;
}
/* fallthrough */
case TGSI_SEMANTIC_TESSOUTER:
if (iter->processor.Processor == TGSI_PROCESSOR_TESS_CTRL) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
name_prefix = "gl_TessLevelOuter";
break;
}
/* fallthrough */
case TGSI_SEMANTIC_TESSINNER:
if (iter->processor.Processor == TGSI_PROCESSOR_TESS_CTRL) {
ctx->outputs[i].glsl_predefined_no_emit = true;
ctx->outputs[i].glsl_no_index = true;
ctx->outputs[i].override_no_wm = true;
name_prefix = "gl_TessLevelInner";
break;
}
/* fallthrough */
case TGSI_SEMANTIC_GENERIC:
if (iter->processor.Processor == TGSI_PROCESSOR_VERTEX)
if (ctx->outputs[i].name == TGSI_SEMANTIC_GENERIC)
@ -976,6 +994,16 @@ iter_declaration(struct tgsi_iterate_context *iter,
} else if (decl->Semantic.Name == TGSI_SEMANTIC_PRIMID) {
name_prefix = "gl_PrimitiveID";
ctx->shader_req_bits |= (SHADER_REQ_INTS | SHADER_REQ_GPU_SHADER5);
} else if (decl->Semantic.Name == TGSI_SEMANTIC_TESSCOORD) {
name_prefix = "gl_TessCoord";
ctx->system_values[i].override_no_wm = false;
} else if (decl->Semantic.Name == TGSI_SEMANTIC_VERTICESIN) {
ctx->shader_req_bits |= SHADER_REQ_INTS;
name_prefix = "gl_PatchVerticesIn";
} else if (decl->Semantic.Name == TGSI_SEMANTIC_TESSOUTER) {
name_prefix = "gl_TessLevelOuter";
} else if (decl->Semantic.Name == TGSI_SEMANTIC_TESSINNER) {
name_prefix = "gl_TessLevelInner";
} else {
fprintf(stderr, "unsupported system value %d\n", decl->Semantic.Name);
name_prefix = "unknown";
@ -2047,7 +2075,9 @@ get_destination_info(struct dump_ctx *ctx,
snprintf(dsts[i], 255, "clipv_tmp");
} else if (ctx->outputs[j].name == TGSI_SEMANTIC_CLIPDIST) {
snprintf(dsts[i], 255, "clip_dist_temp[%d]", ctx->outputs[j].sid);
} else if (ctx->outputs[j].name == TGSI_SEMANTIC_SAMPLEMASK) {
} else if (ctx->outputs[j].name == TGSI_SEMANTIC_TESSOUTER ||
ctx->outputs[j].name == TGSI_SEMANTIC_TESSINNER ||
ctx->outputs[j].name == TGSI_SEMANTIC_SAMPLEMASK) {
int idx;
switch (dst_reg->Register.WriteMask) {
case 0x1: idx = 0; break;
@ -2385,10 +2415,21 @@ get_source_info(struct dump_ctx *ctx,
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_PRIMID ||
ctx->system_values[j].name == TGSI_SEMANTIC_VERTICESIN ||
ctx->system_values[j].name == TGSI_SEMANTIC_INVOCATIONID ||
ctx->system_values[j].name == TGSI_SEMANTIC_SAMPLEID)
snprintf(srcs[i], 255, "%s(vec4(intBitsToFloat(%s)))", get_string(stypeprefix), ctx->system_values[j].glsl_name);
else if (ctx->system_values[j].name == TGSI_SEMANTIC_SAMPLEPOS) {
else if (ctx->system_values[j].name == TGSI_SEMANTIC_TESSINNER ||
ctx->system_values[j].name == TGSI_SEMANTIC_TESSOUTER) {
snprintf(srcs[i], 255, "%s(vec4(%s[%d], %s[%d], %s[%d], %s[%d]))",
prefix,
ctx->system_values[j].glsl_name, src->Register.SwizzleX,
ctx->system_values[j].glsl_name, src->Register.SwizzleY,
ctx->system_values[j].glsl_name, src->Register.SwizzleZ,
ctx->system_values[j].glsl_name, src->Register.SwizzleW);
} else if (ctx->system_values[j].name == TGSI_SEMANTIC_SAMPLEPOS ||
ctx->system_values[j].name == TGSI_SEMANTIC_TESSCOORD) {
snprintf(srcs[i], 255, "vec4(%s.%c, %s.%c, %s.%c, %s.%c)",
ctx->system_values[j].glsl_name, get_swiz_char(src->Register.SwizzleX),
ctx->system_values[j].glsl_name, get_swiz_char(src->Register.SwizzleY),

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