glsl: Clamp shared mem size to GL_MAX_COMPUTE_SHARED_MEMORY_SIZE
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8c166c68d4
commit
94af0a00f6
3 changed files with 12 additions and 2 deletions
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@ -218,8 +218,15 @@ std::string EmitGLSL(const Profile& profile, const RuntimeInfo& runtime_info, IR
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const std::string version{fmt::format("#version 450{}\n", GlslVersionSpecifier(ctx))};
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ctx.header.insert(0, version);
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if (program.shared_memory_size > 0) {
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ctx.header +=
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fmt::format("shared uint smem[{}];", Common::DivCeil(program.shared_memory_size, 4U));
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const auto requested_size{program.shared_memory_size};
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const auto max_size{profile.gl_max_compute_smem_size};
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const bool needs_clamp{requested_size > max_size};
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if (needs_clamp) {
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LOG_WARNING(Shader_GLSL, "Requested shared memory size ({}) exceeds device limit ({})",
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requested_size, max_size);
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}
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const auto smem_size{needs_clamp ? max_size : requested_size};
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ctx.header += fmt::format("shared uint smem[{}];", Common::DivCeil(smem_size, 4U));
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}
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ctx.header += "void main(){\n";
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if (program.local_memory_size > 0) {
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@ -67,6 +67,8 @@ struct Profile {
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bool has_gl_precise_bug{};
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/// Ignores SPIR-V ordered vs unordered using GLSL semantics
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bool ignore_nan_fp_comparisons{};
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u32 gl_max_compute_smem_size{};
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};
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} // namespace Shader
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@ -211,6 +211,7 @@ ShaderCache::ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindo
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.has_gl_component_indexing_bug = device.HasComponentIndexingBug(),
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.has_gl_precise_bug = device.HasPreciseBug(),
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.ignore_nan_fp_comparisons = true,
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.gl_max_compute_smem_size = device.GetMaxComputeSharedMemorySize(),
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},
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host_info{
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.support_float16 = false,
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