LPDIRECT3DPIXELSHADER9 DepalShaderCacheDX9::GetDepalettizePixelShader(GEBufferFormat pixelFormat) {
u32 id = GenerateShaderID(pixelFormat);
auto shader = cache_.find(id);
if (shader != cache_.end()) {
return shader->second->pixelShader;
}
char *buffer = new char[2048];
GenerateDepalShader(buffer, pixelFormat, HLSL_DX9);
LPDIRECT3DPIXELSHADER9 pshader;
std::string errorMessage;
if (!CompilePixelShader(buffer, &pshader, NULL, errorMessage)) {
ERROR_LOG(G3D, "Failed to compile depal pixel shader: %s\n\n%s", buffer, errorMessage.c_str());
delete[] buffer;
return nullptr;
}
DepalShaderDX9 *depal = new DepalShaderDX9();
depal->pixelShader = pshader;
cache_[id] = depal;
delete[] buffer;
return depal->pixelShader;
}
GLuint DepalShaderCache::GetDepalettizeShader(GEBufferFormat pixelFormat) {
u32 id = GenerateShaderID(pixelFormat);
bool useGL3 = gl_extensions.GLES3 || gl_extensions.VersionGEThan(3, 3);
auto shader = cache_.find(id);
if (shader != cache_.end()) {
return shader->second->program;
}
char *buffer = new char[2048];
if (useGL3) {
GenerateDepalShader300(buffer, pixelFormat);
} else {
GenerateDepalShader100(buffer, pixelFormat);
}
GLuint fragShader = glCreateShader(GL_FRAGMENT_SHADER);
const char *buf = buffer;
glShaderSource(fragShader, 1, &buf, 0);
glCompileShader(fragShader);
CheckShaderCompileSuccess(fragShader, buffer);
GLuint program = glCreateProgram();
glAttachShader(program, vertexShader_);
glAttachShader(program, fragShader);
glBindAttribLocation(program, 0, "a_position");
glBindAttribLocation(program, 1, "a_texcoord0");
if (useGL3) {
// This call is not really necessary, I think.
#ifndef MOBILE_DEVICE
glBindFragDataLocation(program, 0, "fragColor0");
#endif
}
glLinkProgram(program);
glUseProgram(program);
GLint u_tex = glGetUniformLocation(program, "tex");
GLint u_pal = glGetUniformLocation(program, "pal");
glUniform1i(u_tex, 0);
glUniform1i(u_pal, 1);
GLint linkStatus = GL_FALSE;
glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
if (linkStatus != GL_TRUE) {
GLint bufLength = 0;
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
if (bufLength) {
char* errorbuf = new char[bufLength];
glGetProgramInfoLog(program, bufLength, NULL, errorbuf);
#ifdef SHADERLOG
OutputDebugStringUTF8(buffer);
OutputDebugStringUTF8(errorbuf);
#endif
ERROR_LOG(G3D, "Could not link program:\n %s \n\n %s", errorbuf, buf);
delete[] errorbuf; // we're dead!
}
delete[] buffer;
return 0;
}
DepalShader *depal = new DepalShader();
depal->program = program;
depal->fragShader = fragShader;
cache_[id] = depal;
delete[] buffer;
return depal->program;
}
DepalShader *DepalShaderCache::GetDepalettizeShader(GEBufferFormat pixelFormat) {
u32 id = GenerateShaderID(pixelFormat);
auto shader = cache_.find(id);
if (shader != cache_.end()) {
return shader->second;
}
if (vertexShader_ == 0) {
if (!CreateVertexShader()) {
// The vertex shader failed, no need to bother trying the fragment.
return nullptr;
}
}
char *buffer = new char[2048];
GenerateDepalShader(buffer, pixelFormat, useGL3_ ? GLSL_300 : GLSL_140);
GLuint fragShader = glCreateShader(GL_FRAGMENT_SHADER);
const char *buf = buffer;
glShaderSource(fragShader, 1, &buf, 0);
glCompileShader(fragShader);
CheckShaderCompileSuccess(fragShader, buffer);
GLuint program = glCreateProgram();
glAttachShader(program, vertexShader_);
glAttachShader(program, fragShader);
glBindAttribLocation(program, 0, "a_position");
glBindAttribLocation(program, 1, "a_texcoord0");
glLinkProgram(program);
glUseProgram(program);
GLint u_tex = glGetUniformLocation(program, "tex");
GLint u_pal = glGetUniformLocation(program, "pal");
glUniform1i(u_tex, 0);
glUniform1i(u_pal, 3);
DepalShader *depal = new DepalShader();
depal->program = program;
depal->fragShader = fragShader;
cache_[id] = depal;
GLint linkStatus = GL_FALSE;
glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
if (linkStatus != GL_TRUE) {
GLint bufLength = 0;
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
if (bufLength) {
char* errorbuf = new char[bufLength];
glGetProgramInfoLog(program, bufLength, NULL, errorbuf);
#ifdef SHADERLOG
OutputDebugStringUTF8(buffer);
OutputDebugStringUTF8(errorbuf);
#endif
ERROR_LOG(G3D, "Could not link program:\n %s \n\n %s", errorbuf, buf);
delete[] errorbuf; // we're dead!
}
// Since it failed, let's mark it in the cache so we don't keep retrying.
// That will only make it slower.
depal->program = 0;
// We will delete the shader later in Clear().
glDeleteProgram(program);
} else {
depal->a_position = glGetAttribLocation(program, "a_position");
depal->a_texcoord0 = glGetAttribLocation(program, "a_texcoord0");
}
delete[] buffer;
return depal->program ? depal : nullptr;
}