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Utilizing fallthrough for most shader CF, hopefully speeding things up.

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This commit is contained in:
Ben Vanik
2015-12-13 10:14:35 -08:00
parent b5469b57ba
commit 5db84105c4
1 changed files with 5 additions and 4 deletions
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9
src/xenia/gpu/glsl_shader_translator.cc
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@@ -346,11 +346,8 @@ void GlslShaderTranslator::ProcessControlFlowInstructionBegin(
void GlslShaderTranslator::ProcessControlFlowInstructionEnd(uint32_t cf_index) {
if (!cf_wrote_pc_) {
uint32_t next_index = cf_index + 1;
EmitSourceDepth("pc = 0x%X; // Fallthrough to L%d\n", next_index,
next_index);
EmitSourceDepth("// Falling through to L%u\n", cf_index + 1);
}
EmitSourceDepth("break;\n");
Unindent();
}
@@ -391,6 +388,7 @@ void GlslShaderTranslator::ProcessExecInstructionEnd(
EmitSourceDepth("}\n");
if (instr.is_end) {
EmitSourceDepth("pc = 0xFFFF;\n");
EmitSourceDepth("break;\n");
cf_wrote_pc_ = true;
}
}
@@ -425,6 +423,7 @@ void GlslShaderTranslator::ProcessLoopStartInstruction(
EmitSourceDepth(" pc = 0x%X; // Fallthrough to loop body L%d\n",
instr.dword_index + 1, instr.dword_index + 1);
EmitSourceDepth("}\n");
EmitSourceDepth("break;\n");
cf_wrote_pc_ = true;
}
@@ -464,6 +463,7 @@ void GlslShaderTranslator::ProcessLoopEndInstruction(
Unindent();
EmitSourceDepth("}\n");
EmitSourceDepth("break;\n");
cf_wrote_pc_ = true;
}
@@ -521,6 +521,7 @@ void GlslShaderTranslator::ProcessJumpInstruction(
} else {
EmitSourceDepth("}\n");
}
EmitSourceDepth("break;\n");
}
void GlslShaderTranslator::ProcessAllocInstruction(