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Fix improperly reading 2_10_10_10 bitfields (or so I hope) 

Check at runtime if a vertex fetch index doesn't match gl_VertexID
Fix trying to instantiate a vec1
This commit is contained in:
Dr. Chat 2016-01-22 18:49:17 -06:00
parent b2d8837e52
commit 8a89a93eab
1 changed files with 30 additions and 18 deletions
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48
src/xenia/gpu/glsl_shader_translator.cc
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@ -209,18 +209,18 @@ vec3 get_10_11_11_s(const int data_in) {
vec4 get_2_10_10_10_u(const uint data_in) {
vec4 vec;
vec.x = bitfieldExtract(data_in, 0, 10);
vec.y = bitfieldExtract(data_in, 10, 10);
vec.z = bitfieldExtract(data_in, 20, 10);
vec.w = bitfieldExtract(data_in, 30, 2 );
vec.w = bitfieldExtract(data_in, 0, 2 );
vec.x = bitfieldExtract(data_in, 2, 10);
vec.y = bitfieldExtract(data_in, 12, 10);
vec.z = bitfieldExtract(data_in, 22, 10);
return vec;
}
vec4 get_2_10_10_10_s(const int data_in) {
vec4 vec;
vec.x = bitfieldExtract(data_in, 0, 10);
vec.y = bitfieldExtract(data_in, 10, 10);
vec.z = bitfieldExtract(data_in, 20, 10);
vec.w = bitfieldExtract(data_in, 30, 2 );
vec.w = bitfieldExtract(data_in, 0, 2 );
vec.x = bitfieldExtract(data_in, 2, 10);
vec.y = bitfieldExtract(data_in, 12, 10);
vec.z = bitfieldExtract(data_in, 22, 10);
return vec;
}
@ -326,6 +326,7 @@ void main() {
// Temporary registers.
if (is_vertex_shader()) {
EmitSource(" vec4 r[64];\n");
EmitSource(" r[0].x = gl_VertexID;\n");
} else {
// Bring interpolators from vertex shader into temporary registers.
EmitSource(" vec4 r[64];\n");
@ -571,14 +572,6 @@ void GlslShaderTranslator::ProcessVertexFetchInstruction(
EmitSource("// ");
instr.Disassemble(&source_);
if (instr.operands[0].storage_index != 0) {
// Unimplemented for now.
EmitUnimplementedTranslationError();
EmitSourceDepth("pv.xyzw = vec4(0.0, 0.0, 0.0, 0.0);\n");
EmitStoreVectorResult(instr.result);
return;
}
if (instr.is_predicated) {
EmitSourceDepth("if (%cp0) {\n", instr.predicate_condition ? ' ' : '!');
Indent();
@ -594,6 +587,9 @@ void GlslShaderTranslator::ProcessVertexFetchInstruction(
switch (instr.opcode) {
case FetchOpcode::kVertexFetch: {
EmitSourceDepth("if (src0.x == gl_VertexID) {\n");
Indent();
EmitSourceDepth("pv.");
for (int i = 0;
i < GetVertexFormatComponentCount(instr.attributes.data_format);
@ -615,6 +611,16 @@ void GlslShaderTranslator::ProcessVertexFetchInstruction(
EmitSource(" = vf%u_%d;\n", instr.operands[1].storage_index,
instr.attributes.offset);
}
Unindent();
EmitSourceDepth("} else {\n");
Indent();
EmitSourceDepth("// UNIMPLEMENTED: Indexed fetch.\n");
EmitSourceDepth("pv = vec4(0.0, 0.0, 0.0, 1.0);\n");
Unindent();
EmitSourceDepth("}\n");
} break;
default:
assert_always();
@ -918,7 +924,10 @@ void GlslShaderTranslator::EmitStoreResult(const InstructionResult& result,
EmitSource("clamp(");
}
if (has_const_writes) {
EmitSource("vec%d(", component_write_count);
if (component_write_count > 1) {
EmitSource("vec%d(", component_write_count);
}
bool has_written = false;
for (int j = 0; j < 4; ++j) {
if (result.write_mask[j]) {
@ -939,7 +948,10 @@ void GlslShaderTranslator::EmitStoreResult(const InstructionResult& result,
}
}
}
EmitSource(")");
if (component_write_count > 1) {
EmitSource(")");
}
} else {
EmitSource(temp);
if (!result.is_standard_swizzle()) {