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shader: Rework varyings and implement passthrough geometry shaders

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Put all varyings into a single std::bitset with helpers to access it.

Implement passthrough geometry shaders using host's.
This commit is contained in:
ReinUsesLisp 2021-06-24 02:41:09 -03:00 • committed by ameerj
parent 4f052a1f39
commit 7dafa96ab5
29 changed files with 351 additions and 337 deletions
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18
src/shader_recompiler/frontend/maxwell/translate_program.cpp
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@ -46,7 +46,7 @@ void CollectInterpolationInfo(Environment& env, IR::Program& program) {
return;
}
const ProgramHeader& sph{env.SPH()};
for (size_t index = 0; index < program.info.input_generics.size(); ++index) {
for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
std::optional<PixelImap> imap;
for (const PixelImap value : sph.ps.GenericInputMap(static_cast<u32>(index))) {
if (value == PixelImap::Unused) {
@ -60,7 +60,7 @@ void CollectInterpolationInfo(Environment& env, IR::Program& program) {
if (!imap) {
continue;
}
program.info.input_generics[index].interpolation = [&] {
program.info.interpolation[index] = [&] {
switch (*imap) {
case PixelImap::Unused:
case PixelImap::Perspective:
@ -140,6 +140,11 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
program.output_topology = sph.common3.output_topology;
program.output_vertices = sph.common4.max_output_vertices;
program.invocations = sph.common2.threads_per_input_primitive;
program.is_geometry_passthrough = sph.common0.geometry_passthrough != 0;
if (program.is_geometry_passthrough) {
const auto mask{env.GpPassthroughMask()};
program.info.passthrough.mask |= ~Common::BitCast<std::bitset<256>>(mask);
}
break;
}
case Stage::Compute:
@ -194,12 +199,9 @@ IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b
result.stage = Stage::VertexB;
result.info = vertex_a.info;
result.local_memory_size = std::max(vertex_a.local_memory_size, vertex_b.local_memory_size);
for (size_t index = 0; index < 32; ++index) {
result.info.input_generics[index].used |= vertex_b.info.input_generics[index].used;
if (vertex_b.info.stores_generics[index]) {
result.info.stores_generics[index] = true;
}
}
result.info.loads.mask |= vertex_b.info.loads.mask;
result.info.stores.mask |= vertex_b.info.stores.mask;
Optimization::JoinTextureInfo(result.info, vertex_b.info);
Optimization::JoinStorageInfo(result.info, vertex_b.info);
Optimization::DeadCodeEliminationPass(result);