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Making texture swizzles dynamic. Seems to fix some color swap issues.

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And probably exposes many more ;)
This commit is contained in:
Ben Vanik
2015-12-07 22:39:33 -08:00
parent 09022a6ad3
commit ec113275dc
10 changed files with 40 additions and 52 deletions
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11
src/xenia/gpu/glsl_shader_translator.cc
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@@ -115,6 +115,7 @@ struct StateData {
int padding[3];
// TODO(benvanik): variable length.
uvec2 texture_samplers[32];
uint texture_swizzles[32];
vec4 float_consts[512];
int bool_consts[8];
int loop_consts[32];
@@ -625,6 +626,16 @@ void GlslShaderTranslator::ProcessTextureFetchInstruction(
EmitSourceDepth("}\n");
break;
}
EmitSourceDepth("{\n");
EmitSourceDepth(
" float swiz_source[6] = {pv.x, pv.y, pv.z, pv.w, 0.0, 1.0};\n");
EmitSourceDepth(" uint swiz = state.texture_swizzles[%d];\n",
instr.operands[1].storage_index);
EmitSourceDepth(" pv = vec4(swiz_source[swiz & 0x7],\n");
EmitSourceDepth(" swiz_source[(swiz >> 3) & 0x7],\n");
EmitSourceDepth(" swiz_source[(swiz >> 6) & 0x7],\n");
EmitSourceDepth(" swiz_source[(swiz >> 9) & 0x7]);\n");
EmitSourceDepth("}\n");
break;
case FetchOpcode::kGetTextureBorderColorFrac:
EmitUnimplementedTranslationError();