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Draw tex coords for invalid textures.

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This commit is contained in:
Ben Vanik
2015-01-01 12:25:16 -08:00
parent 825c09dd16
commit 0e04e1c455
2 changed files with 28 additions and 24 deletions
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42
src/xenia/gpu/gl4/gl4_shader_translator.cc
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@@ -1472,7 +1472,8 @@ bool GL4ShaderTranslator::TranslateTextureFetch(const instr_fetch_tex_t* tex,
// Translate.
// TODO(benvanik): if sampler == null, set to invalid color.
Append(" t = texture(");
Append(" if (state.texture_samplers[%d].x != 0) {\n", tex->const_idx & 0xF);
Append(" t = texture(");
Append("%s(state.texture_samplers[%d])", sampler_type, tex->const_idx & 0xF);
Append(", r%u.", tex->src_reg);
src_swiz = tex->src_swiz;
@@ -1481,26 +1482,25 @@ bool GL4ShaderTranslator::TranslateTextureFetch(const instr_fetch_tex_t* tex,
src_swiz >>= 2;
}
Append(");\n");
// Output texture coordinates as color.
// TODO(benvanik): only if texture is invalid?
// Append(" t = vec4(r%u.", tex->src_reg);
// src_swiz = tex->src_swiz;
// for (int i = 0; i < src_component_count; i++) {
// Append("%c", chan_names[src_swiz & 0x3]);
// src_swiz >>= 2;
//}
// switch (src_component_count) {
// case 1:
// Append(", 0.0, 0.0, 1.0);\n");
// break;
// case 2:
// Append(", 0.0, 1.0);\n");
// break;
// case 3:
// Append(", 1.0);\n");
// break;
//}
Append(" } else {\n");
Append(" t = vec4(r%u.", tex->src_reg);
src_swiz = tex->src_swiz;
for (int i = 0; i < src_component_count; i++) {
Append("%c", chan_names[src_swiz & 0x3]);
src_swiz >>= 2;
}
switch (src_component_count) {
case 1:
Append(", 0.0, 0.0, 1.0);\n");
break;
case 2:
Append(", 0.0, 1.0);\n");
break;
case 3:
Append(", 1.0);\n");
break;
}
Append(" }\n");
Append(" r%u.xyzw = vec4(", tex->dst_reg);
uint32_t dst_swiz = tex->dst_swiz;