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authorbunnei <bunneidev@gmail.com>2020-02-20 02:06:14 +0100
committerGitHub <noreply@github.com>2020-02-20 02:06:14 +0100
commitbf0c929d4cafcdf08a66544e4e018f11fa11ed36 (patch)
tree7be44d75adcb0cd918c360f87f66f43b4e237372 /src
parentMerge pull request #3414 from ReinUsesLisp/maxwell-3d-draw (diff)
parentshader/texture: Allow 2D shadow arrays and simplify code (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/shader/decode/texture.cpp71
1 files changed, 28 insertions, 43 deletions
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index 351c8c2f1..542636430 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -522,68 +522,53 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
Node array, Node depth_compare, u32 bias_offset,
std::vector<Node> aoffi,
std::optional<Tegra::Shader::Register> bindless_reg) {
- const auto is_array = static_cast<bool>(array);
- const auto is_shadow = static_cast<bool>(depth_compare);
+ const bool is_array = array != nullptr;
+ const bool is_shadow = depth_compare != nullptr;
const bool is_bindless = bindless_reg.has_value();
- UNIMPLEMENTED_IF_MSG((texture_type == TextureType::Texture3D && (is_array || is_shadow)) ||
- (texture_type == TextureType::TextureCube && is_array && is_shadow),
- "This method is not supported.");
+ UNIMPLEMENTED_IF(texture_type == TextureType::TextureCube && is_array && is_shadow);
+ ASSERT_MSG(texture_type != TextureType::Texture3D || is_array || is_shadow,
+ "Illegal texture type");
const SamplerInfo info{texture_type, is_array, is_shadow, false};
- Node index_var{};
+ Node index_var;
const Sampler* sampler = is_bindless ? GetBindlessSampler(*bindless_reg, index_var, info)
: GetSampler(instr.sampler, info);
- Node4 values;
- if (sampler == nullptr) {
- for (u32 element = 0; element < values.size(); ++element) {
- values[element] = Immediate(0);
- }
- return values;
+ if (!sampler) {
+ return {Immediate(0), Immediate(0), Immediate(0), Immediate(0)};
}
const bool lod_needed = process_mode == TextureProcessMode::LZ ||
process_mode == TextureProcessMode::LL ||
process_mode == TextureProcessMode::LLA;
-
- // LOD selection (either via bias or explicit textureLod) not supported in GL for
- // sampler2DArrayShadow and samplerCubeArrayShadow.
- const bool gl_lod_supported =
- !((texture_type == Tegra::Shader::TextureType::Texture2D && is_array && is_shadow) ||
- (texture_type == Tegra::Shader::TextureType::TextureCube && is_array && is_shadow));
-
- const OperationCode read_method =
- (lod_needed && gl_lod_supported) ? OperationCode::TextureLod : OperationCode::Texture;
-
- UNIMPLEMENTED_IF(process_mode != TextureProcessMode::None && !gl_lod_supported);
+ const OperationCode opcode = lod_needed ? OperationCode::TextureLod : OperationCode::Texture;
Node bias;
Node lod;
- if (process_mode != TextureProcessMode::None && gl_lod_supported) {
- switch (process_mode) {
- case TextureProcessMode::LZ:
- lod = Immediate(0.0f);
- break;
- case TextureProcessMode::LB:
- // If present, lod or bias are always stored in the register
- // indexed by the gpr20 field with an offset depending on the
- // usage of the other registers
- bias = GetRegister(instr.gpr20.Value() + bias_offset);
- break;
- case TextureProcessMode::LL:
- lod = GetRegister(instr.gpr20.Value() + bias_offset);
- break;
- default:
- UNIMPLEMENTED_MSG("Unimplemented process mode={}", static_cast<u32>(process_mode));
- break;
- }
+ switch (process_mode) {
+ case TextureProcessMode::None:
+ break;
+ case TextureProcessMode::LZ:
+ lod = Immediate(0.0f);
+ break;
+ case TextureProcessMode::LB:
+ // If present, lod or bias are always stored in the register indexed by the gpr20 field with
+ // an offset depending on the usage of the other registers.
+ bias = GetRegister(instr.gpr20.Value() + bias_offset);
+ break;
+ case TextureProcessMode::LL:
+ lod = GetRegister(instr.gpr20.Value() + bias_offset);
+ break;
+ default:
+ UNIMPLEMENTED_MSG("Unimplemented process mode={}", static_cast<u32>(process_mode));
+ break;
}
+ Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
- auto copy_coords = coords;
MetaTexture meta{*sampler, array, depth_compare, aoffi, {}, {}, bias,
lod, {}, element, index_var};
- values[element] = Operation(read_method, meta, std::move(copy_coords));
+ values[element] = Operation(opcode, meta, coords);
}
return values;