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tessellation: add support for patch varyings

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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 6 years ago
parent 8c3e21fa65
commit da14e72952
1 changed files with 18 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. 20
      src/vrend_shader.c

20
src/vrend_shader.c
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@ -674,6 +674,7 @@ iter_declaration(struct tgsi_iterate_context *iter,
break;
}
/* fallthrough */
case TGSI_SEMANTIC_PATCH:
case TGSI_SEMANTIC_GENERIC:
if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
if (ctx->key->coord_replace & (1 << ctx->inputs[i].sid)) {
@ -701,6 +702,8 @@ iter_declaration(struct tgsi_iterate_context *iter,
snprintf(ctx->inputs[i].glsl_name, 64, "%s_c%d", name_prefix, ctx->inputs[i].sid);
else if (ctx->inputs[i].name == TGSI_SEMANTIC_GENERIC)
snprintf(ctx->inputs[i].glsl_name, 64, "%s_g%d", name_prefix, ctx->inputs[i].sid);
else if (ctx->inputs[i].name == TGSI_SEMANTIC_PATCH)
snprintf(ctx->inputs[i].glsl_name, 64, "%s_p%d", name_prefix, ctx->inputs[i].sid);
else
snprintf(ctx->inputs[i].glsl_name, 64, "%s_%d", name_prefix, ctx->inputs[i].first);
}
@ -867,6 +870,7 @@ iter_declaration(struct tgsi_iterate_context *iter,
if (ctx->outputs[i].name == TGSI_SEMANTIC_GENERIC)
color_offset = -1;
/* fallthrough */
case TGSI_SEMANTIC_PATCH:
default:
name_prefix = get_stage_output_name_prefix(iter->processor.Processor);
break;
@ -881,6 +885,8 @@ iter_declaration(struct tgsi_iterate_context *iter,
snprintf(ctx->outputs[i].glsl_name, 64, "%s_c%d", name_prefix, ctx->outputs[i].sid);
else if (ctx->outputs[i].name == TGSI_SEMANTIC_BCOLOR)
snprintf(ctx->outputs[i].glsl_name, 64, "%s_bc%d", name_prefix, ctx->outputs[i].sid);
else if (ctx->outputs[i].name == TGSI_SEMANTIC_PATCH)
snprintf(ctx->outputs[i].glsl_name, 64, "%s_p%d", name_prefix, ctx->outputs[i].sid);
else if (ctx->outputs[i].name == TGSI_SEMANTIC_GENERIC)
snprintf(ctx->outputs[i].glsl_name, 64, "%s_g%d", name_prefix, ctx->outputs[i].sid);
else
@ -3199,7 +3205,9 @@ static char *emit_ios(struct dump_ctx *ctx, char *glsl_hdr)
snprintf(buf, 255, "layout(location=%d) ", ctx->inputs[i].first);
STRCAT_WITH_RET(glsl_hdr, buf);
}
if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT &&
if (ctx->prog_type == TGSI_PROCESSOR_TESS_EVAL && ctx->inputs[i].name == TGSI_SEMANTIC_PATCH)
prefix = "patch ";
else if (ctx->prog_type == TGSI_PROCESSOR_FRAGMENT &&
(ctx->inputs[i].name == TGSI_SEMANTIC_GENERIC ||
ctx->inputs[i].name == TGSI_SEMANTIC_COLOR)) {
prefix = get_interp_string(ctx->cfg, ctx->inputs[i].interpolate, ctx->key->flatshade);
@ -3211,6 +3219,9 @@ static char *emit_ios(struct dump_ctx *ctx, char *glsl_hdr)
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY) {
snprintf(postfix, 8, "[%d]", gs_input_prim_to_size(ctx->gs_in_prim));
} else if (ctx->prog_type == TGSI_PROCESSOR_TESS_CTRL ||
(ctx->prog_type == TGSI_PROCESSOR_TESS_EVAL && ctx->inputs[i].name != TGSI_SEMANTIC_PATCH)) {
snprintf(postfix, 8, "[]");
} else
postfix[0] = 0;
snprintf(buf, 255, "%s%sin vec4 %s%s;\n", prefix, auxprefix, ctx->inputs[i].glsl_name, postfix);
@ -3253,7 +3264,12 @@ static char *emit_ios(struct dump_ctx *ctx, char *glsl_hdr)
} else
prefix = "";
/* ugly leave spaces to patch interp in later */
if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY && ctx->outputs[i].stream)
if (ctx->prog_type == TGSI_PROCESSOR_TESS_CTRL) {
if (ctx->outputs[i].name == TGSI_SEMANTIC_PATCH)
snprintf(buf, 255, "patch out vec4 %s;\n", ctx->outputs[i].glsl_name);
else
snprintf(buf, 255, "%sout vec4 %s[];\n", prefix, ctx->outputs[i].glsl_name);
} else if (ctx->prog_type == TGSI_PROCESSOR_GEOMETRY && ctx->outputs[i].stream)
snprintf(buf, 255, "layout (stream = %d) %s%sout vec4 %s;\n", ctx->outputs[i].stream, prefix, ctx->outputs[i].invariant ? "invariant " : "", ctx->outputs[i].glsl_name);
else
snprintf(buf, 255, "%s%sout vec4 %s;\n", prefix, ctx->outputs[i].invariant ? "invariant " : "", ctx->outputs[i].glsl_name);

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