ppsspp/Common/GPU/Shader.h
2020-11-05 08:27:13 +01:00

48 lines
1.4 KiB
C

#pragma once
// GLSL_1xx and GLSL_3xx each cover a lot of sub variants. All the little quirks
// that differ are covered in ShaderLanguageDesc.
// Defined as a bitmask so stuff like GetSupportedShaderLanguages can return combinations.
enum ShaderLanguage {
GLSL_1xx = 1,
GLSL_3xx = 2,
GLSL_VULKAN = 4,
HLSL_D3D9 = 8,
HLSL_D3D11 = 16,
};
inline bool ShaderLanguageIsOpenGL(ShaderLanguage lang) {
return lang == GLSL_1xx || lang == GLSL_3xx;
}
enum class ShaderStage {
Vertex,
Fragment
};
struct ShaderLanguageDesc {
explicit ShaderLanguageDesc(ShaderLanguage lang);
int glslVersionNumber = 0;
ShaderLanguage shaderLanguage;
bool gles = false;
const char *varying_fs = nullptr;
const char *varying_vs = nullptr;
const char *attribute = nullptr;
const char *fragColor0 = nullptr;
const char *fragColor1 = nullptr;
const char *texture = nullptr;
const char *texelFetch = nullptr;
const char *lastFragData = nullptr;
const char *framebufferFetchExtension = nullptr;
const char *vsOutPrefix = "";
bool glslES30 = false;
bool bitwiseOps = false;
bool forceMatrix4x4 = false;
bool coefsFromBuffers = false;
};
// For passing error messages from shader compilation (and other critical issues) back to the host.
// This can run on any thread - be aware!
// TODO: See if we can find a less generic name for this.
typedef void (*ErrorCallbackFn)(const char *shortDesc, const char *details, void *userdata);