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glsl: Implement gl_ViewportIndex 

SSBU now working
This commit is contained in:
ameerj 2021-05-31 01:12:52 -04:00
parent b7561226ed
commit 3a024b3026
3 changed files with 14 additions and 5 deletions
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10
src/shader_recompiler/backend/glsl/emit_context.cpp
View File

@ -126,6 +126,8 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
void EmitContext::SetupExtensions(std::string&) {
// TODO: track this usage
header += "#extension GL_ARB_sparse_texture2 : enable\n";
header += "#extension GL_ARB_shader_viewport_layer_array : enable\n";
header += "#extension GL_NV_viewport_array2 : enable\n";
header += "#extension GL_EXT_texture_shadow_lod : enable\n";
if (info.uses_int64) {
header += "#extension GL_ARB_gpu_shader_int64 : enable\n";
@ -243,9 +245,13 @@ void EmitContext::SetupImages(Bindings& bindings) {
}
texture_buffer_bindings.reserve(info.texture_buffer_descriptors.size());
for (const auto& desc : info.texture_buffer_descriptors) {
throw NotImplementedException("TextureType::Buffer");
texture_buffer_bindings.push_back(bindings.texture);
const auto sampler_type{SamplerType(TextureType::Buffer, false)};
const auto indices{bindings.texture + desc.count};
for (u32 index = bindings.texture; index < indices; ++index) {
header += fmt::format("layout(binding={}) uniform {} tex{};", bindings.texture,
sampler_type, index);
}
bindings.texture += desc.count;
}
texture_bindings.reserve(info.texture_descriptors.size());

3
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
View File

@ -186,6 +186,9 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
case IR::Attribute::PositionW:
ctx.Add("gl_Position.{}={};", swizzle, value);
break;
case IR::Attribute::ViewportIndex:
ctx.Add("gl_ViewportIndex=floatBitsToInt({});", value);
break;
case IR::Attribute::ClipDistance0:
case IR::Attribute::ClipDistance1:
case IR::Attribute::ClipDistance2:

6
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
View File

@ -71,7 +71,7 @@ std::string PtpOffsets(const IR::Value& offset, const IR::Value& offset2) {
const std::array values{offset.InstRecursive(), offset2.InstRecursive()};
if (!values[0]->AreAllArgsImmediates() || !values[1]->AreAllArgsImmediates()) {
// LOG_WARNING("Not all arguments in PTP are immediate, STUBBING");
return "";
return "ivec2[](ivec2(0), ivec2(1), ivec2(2), ivec2(3))";
}
const IR::Opcode opcode{values[0]->GetOpcode()};
if (opcode != values[1]->GetOpcode() || opcode != IR::Opcode::CompositeConstructU32x4) {
@ -340,8 +340,8 @@ void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst
*sparse_inst, texture, CastToIntVec(coords, info), lod,
CastToIntVec(offset, info), texel);
} else {
ctx.AddU1("{}=sparseTexelsResidentARB(sparseTexelFetchARB({},{},{},{}));", *sparse_inst,
texture, CastToIntVec(coords, info), lod, texel);
ctx.AddU1("{}=sparseTexelsResidentARB(sparseTexelFetchARB({},{},int({}),{}));",
*sparse_inst, texture, CastToIntVec(coords, info), lod, texel);
}
}