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shader: Implement geometry shaders

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This commit is contained in:
ReinUsesLisp 2021-04-12 19:41:22 -03:00 • committed by ameerj
parent 40948b18ac
commit 4b32692423
14 changed files with 277 additions and 91 deletions
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13
src/shader_recompiler/frontend/maxwell/program.cpp
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@ -69,9 +69,20 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
program.post_order_blocks = PostOrder(program.blocks);
program.stage = env.ShaderStage();
program.local_memory_size = env.LocalMemorySize();
if (program.stage == Stage::Compute) {
switch (program.stage) {
case Stage::Geometry: {
const ProgramHeader& sph{env.SPH()};
program.output_topology = sph.common3.output_topology;
program.output_vertices = sph.common4.max_output_vertices;
program.invocations = sph.common2.threads_per_input_primitive;
break;
}
case Stage::Compute:
program.workgroup_size = env.WorkgroupSize();
program.shared_memory_size = env.SharedMemorySize();
break;
default:
break;
}
RemoveUnreachableBlocks(program);

16
src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp
View file

@ -64,7 +64,7 @@ void TranslatorVisitor::ALD(u64 insn) {
BitField<8, 8, IR::Reg> index_reg;
BitField<20, 10, u64> absolute_offset;
BitField<20, 11, s64> relative_offset;
BitField<39, 8, IR::Reg> array_reg;
BitField<39, 8, IR::Reg> vertex_reg;
BitField<32, 1, u64> o;
BitField<31, 1, u64> patch;
BitField<47, 2, Size> size;
@ -80,15 +80,17 @@ void TranslatorVisitor::ALD(u64 insn) {
if (offset % 4 != 0) {
throw NotImplementedException("Unaligned absolute offset {}", offset);
}
const IR::U32 vertex{X(ald.vertex_reg)};
const u32 num_elements{NumElements(ald.size)};
if (ald.index_reg == IR::Reg::RZ) {
for (u32 element = 0; element < num_elements; ++element) {
F(ald.dest_reg + element, ir.GetAttribute(IR::Attribute{offset / 4 + element}));
const IR::Attribute attr{offset / 4 + element};
F(ald.dest_reg + element, ir.GetAttribute(attr, vertex));
}
return;
}
HandleIndexed(*this, ald.index_reg, num_elements, [&](u32 element, IR::U32 final_offset) {
F(ald.dest_reg + element, ir.GetAttributeIndexed(final_offset));
F(ald.dest_reg + element, ir.GetAttributeIndexed(final_offset, vertex));
});
}
@ -100,7 +102,7 @@ void TranslatorVisitor::AST(u64 insn) {
BitField<20, 10, u64> absolute_offset;
BitField<20, 11, s64> relative_offset;
BitField<31, 1, u64> patch;
BitField<39, 8, IR::Reg> array_reg;
BitField<39, 8, IR::Reg> vertex_reg;
BitField<47, 2, Size> size;
} const ast{insn};
@ -114,15 +116,17 @@ void TranslatorVisitor::AST(u64 insn) {
if (offset % 4 != 0) {
throw NotImplementedException("Unaligned absolute offset {}", offset);
}
const IR::U32 vertex{X(ast.vertex_reg)};
const u32 num_elements{NumElements(ast.size)};
if (ast.index_reg == IR::Reg::RZ) {
for (u32 element = 0; element < num_elements; ++element) {
ir.SetAttribute(IR::Attribute{offset / 4 + element}, F(ast.src_reg + element));
const IR::Attribute attr{offset / 4 + element};
ir.SetAttribute(attr, F(ast.src_reg + element), vertex);
}
return;
}
HandleIndexed(*this, ast.index_reg, num_elements, [&](u32 element, IR::U32 final_offset) {
ir.SetAttributeIndexed(final_offset, F(ast.src_reg + element));
ir.SetAttributeIndexed(final_offset, F(ast.src_reg + element), vertex);
});
}