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ShaderGen: Emit packUnorm4x8() for GLSL ES 3.0

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Stenzek 2025-04-08 20:11:01 +10:00
parent 7971bb949b
commit 0a1e8e27f0
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2 changed files with 12 additions and 1 deletions
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2
src/core/shader_cache_version.h
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@ -5,4 +5,4 @@
#include "common/types.h"
static constexpr u32 SHADER_CACHE_VERSION = 30;
static constexpr u32 SHADER_CACHE_VERSION = 31;

11
src/util/shadergen.cpp
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@ -346,6 +346,14 @@ void ShaderGen::WriteHeader(std::stringstream& ss, bool enable_rov /* = false */
ss << "#define BEGIN_ARRAY(type, size) {\n";
ss << "#define END_ARRAY }\n";
ss << "#define VECTOR_BROADCAST(type, value) ((type)(value))\n";
}
// Pack functions missing from GLSL ES 3.0.
if (!m_glsl || m_shader_language == GPUShaderLanguage::GLSLES)
{
if (m_shader_language == GPUShaderLanguage::GLSLES)
ss << "#if __VERSION__ < 310\n";
ss << "uint packUnorm4x8(float4 value) {\n"
" uint4 packed = uint4(round(saturate(value) * 255.0));\n"
" return packed.x | (packed.y << 8) | (packed.z << 16) | (packed.w << 24);\n"
@ -355,6 +363,9 @@ void ShaderGen::WriteHeader(std::stringstream& ss, bool enable_rov /* = false */
" uint4 packed = uint4(value & 0xffu, (value >> 8) & 0xffu, (value >> 16) & 0xffu, value >> 24);\n"
" return float4(packed) / 255.0;\n"
"}\n";
if (m_shader_language == GPUShaderLanguage::GLSLES)
ss << "#endif\n";
}
ss << "\n";