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Moving temporary registers to exec blocks. ps may still need to be shared.

This commit is contained in:
Ben Vanik 2015-12-07 22:57:28 -08:00
parent 85b1797b9e
commit b5469b57ba
1 changed files with 9 additions and 8 deletions
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17
src/xenia/gpu/glsl_shader_translator.cc
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@ -277,10 +277,6 @@ void main() {
EmitSource("void processFragment(const in StateData state) {\n"); EmitSource("void processFragment(const in StateData state) {\n");
} }
// Previous Vector result (used as a scratch).
EmitSource(" vec4 pv;\n");
// Previous Scalar result (used for RETAIN_PREV).
EmitSource(" float ps;\n");
// Predicate temp, clause-local. // Predicate temp, clause-local.
EmitSource(" bool p0 = false;\n"); EmitSource(" bool p0 = false;\n");
// Address register when using absolute addressing. // Address register when using absolute addressing.
@ -290,10 +286,6 @@ void main() {
// Loop counter stack, .x is the active loop. // Loop counter stack, .x is the active loop.
// Represents number of times remaining to loop. // Represents number of times remaining to loop.
EmitSource(" ivec4 loop_count = ivec4(0);\n"); EmitSource(" ivec4 loop_count = ivec4(0);\n");
// Temps for source register values.
EmitSource(" vec4 src0;\n");
EmitSource(" vec4 src1;\n");
EmitSource(" vec4 src2;\n");
// Temporary registers. // Temporary registers.
if (is_vertex_shader()) { if (is_vertex_shader()) {
@ -382,6 +374,15 @@ void GlslShaderTranslator::ProcessExecInstructionBegin(
break; break;
} }
Indent(); Indent();
// Previous Vector result (used as a scratch).
EmitSourceDepth("vec4 pv;\n");
// Previous Scalar result (used for RETAIN_PREV).
EmitSourceDepth("float ps;\n");
// Temps for source register values.
EmitSourceDepth("vec4 src0;\n");
EmitSourceDepth("vec4 src1;\n");
EmitSourceDepth("vec4 src2;\n");
} }
void GlslShaderTranslator::ProcessExecInstructionEnd( void GlslShaderTranslator::ProcessExecInstructionEnd(