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PostProcessing: Use ShaderGen GLSL version string

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Stenzek 2024-04-28 14:40:35 +10:00
parent 295081fe62
commit 5d20f4514d
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3 changed files with 21 additions and 17 deletions
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9
src/util/postprocessing_shader_fx.cpp
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@ -1175,8 +1175,13 @@ bool PostProcessing::ReShadeFXShader::CompilePipeline(GPUTexture::Format format,
const char* precision = (api == RenderAPI::OpenGLES) ? const char* precision = (api == RenderAPI::OpenGLES) ?
"precision highp float;\nprecision highp int;\nprecision highp sampler2D;\n" : "precision highp float;\nprecision highp int;\nprecision highp sampler2D;\n" :
""; "";
real_code = fmt::format("#version {}\n#define ENTRY_POINT_{}\n{}\n{}\n{}",
(api == RenderAPI::OpenGLES) ? "320 es" : "460 core", name, defns, precision, code); TinyString version_string = "#version 460 core\n";
#ifdef ENABLE_OPENGL
if (api == RenderAPI::OpenGL || api == RenderAPI::OpenGLES)
version_string = ShaderGen::GetGLSLVersionString(api);
#endif
real_code = fmt::format("{}\n#define ENTRY_POINT_{}\n{}\n{}\n{}", version_string, name, defns, precision, code);
for (const Sampler& sampler : samplers) for (const Sampler& sampler : samplers)
{ {

15
src/util/shadergen.cpp
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@ -28,7 +28,7 @@ ShaderGen::ShaderGen(RenderAPI render_api, bool supports_dual_source_blend, bool
{ {
#ifdef ENABLE_OPENGL #ifdef ENABLE_OPENGL
if (m_render_api == RenderAPI::OpenGL || m_render_api == RenderAPI::OpenGLES) if (m_render_api == RenderAPI::OpenGL || m_render_api == RenderAPI::OpenGLES)
SetGLSLVersionString(); m_glsl_version_string = GetGLSLVersionString(m_render_api);
m_use_glsl_interface_blocks = (IsVulkan() || IsMetal() || GLAD_GL_ES_VERSION_3_2 || GLAD_GL_VERSION_3_2); m_use_glsl_interface_blocks = (IsVulkan() || IsMetal() || GLAD_GL_ES_VERSION_3_2 || GLAD_GL_VERSION_3_2);
m_use_glsl_binding_layout = (IsVulkan() || IsMetal() || UseGLSLBindingLayout()); m_use_glsl_binding_layout = (IsVulkan() || IsMetal() || UseGLSLBindingLayout());
@ -72,10 +72,10 @@ void ShaderGen::DefineMacro(std::stringstream& ss, const char* name, s32 value)
} }
#ifdef ENABLE_OPENGL #ifdef ENABLE_OPENGL
void ShaderGen::SetGLSLVersionString() TinyString ShaderGen::GetGLSLVersionString(RenderAPI render_api)
{ {
const char* glsl_version = reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION)); const char* glsl_version = reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION));
const bool glsl_es = (m_render_api == RenderAPI::OpenGLES); const bool glsl_es = (render_api == RenderAPI::OpenGLES);
Assert(glsl_version != nullptr); Assert(glsl_version != nullptr);
// Skip any strings in front of the version code. // Skip any strings in front of the version code.
@ -100,19 +100,16 @@ void ShaderGen::SetGLSLVersionString()
} }
else else
{ {
Log_ErrorPrintf("Invalid GLSL version string: '%s' ('%s')", glsl_version, glsl_version_start); Log_ErrorFmt("Invalid GLSL version string: '{}' ('{}')", glsl_version, glsl_version_start);
if (glsl_es) if (glsl_es)
{ {
major_version = 3; major_version = 3;
minor_version = 0; minor_version = 0;
} }
m_glsl_version_string = glsl_es ? "300" : "130";
} }
char buf[128]; return TinyString::from_format("#version {}{:02d}{}", major_version, minor_version,
std::snprintf(buf, sizeof(buf), "#version %d%02d%s", major_version, minor_version, (glsl_es && major_version >= 3) ? " es" : "");
(glsl_es && major_version >= 3) ? " es" : "");
m_glsl_version_string = buf;
} }
#endif #endif

14
src/util/shadergen.h
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@ -1,10 +1,12 @@
// SPDX-FileCopyrightText: 2019-2023 Connor McLaughlin <stenzek@gmail.com> // SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0) // SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once #pragma once
#include "gpu_device.h" #include "gpu_device.h"
#include "common/small_string.h"
#include <sstream> #include <sstream>
#include <string> #include <string>
@ -16,6 +18,10 @@ public:
static bool UseGLSLBindingLayout(); static bool UseGLSLBindingLayout();
#ifdef ENABLE_OPENGL
static TinyString GetGLSLVersionString(RenderAPI render_api);
#endif
std::string GenerateScreenQuadVertexShader(float z = 0.0f); std::string GenerateScreenQuadVertexShader(float z = 0.0f);
std::string GenerateUVQuadVertexShader(); std::string GenerateUVQuadVertexShader();
std::string GenerateFillFragmentShader(); std::string GenerateFillFragmentShader();
@ -31,10 +37,6 @@ protected:
const char* GetInterpolationQualifier(bool interface_block, bool centroid_interpolation, bool sample_interpolation, const char* GetInterpolationQualifier(bool interface_block, bool centroid_interpolation, bool sample_interpolation,
bool is_out) const; bool is_out) const;
#ifdef ENABLE_OPENGL
void SetGLSLVersionString();
#endif
void DefineMacro(std::stringstream& ss, const char* name, bool enabled); void DefineMacro(std::stringstream& ss, const char* name, bool enabled);
void DefineMacro(std::stringstream& ss, const char* name, s32 value); void DefineMacro(std::stringstream& ss, const char* name, s32 value);
void WriteHeader(std::stringstream& ss); void WriteHeader(std::stringstream& ss);
@ -64,5 +66,5 @@ protected:
bool m_use_glsl_binding_layout; bool m_use_glsl_binding_layout;
bool m_has_uniform_buffer = false; bool m_has_uniform_buffer = false;
std::string m_glsl_version_string; TinyString m_glsl_version_string;
}; };