//
// Constructor
//
CCgShader::CCgShader(
CGenum SourceType, const string& SourceStr, CGprofile Profile, CGGLenum ProfileClass,
const string& Entry, const string& Arguments
):
m_Program( NULL )
{
if (SourceType != CG_SOURCE && SourceType != CG_OBJECT)
throw Sys::CDeveloperException( "GL::CCgShader", "::CCgShader() : Invalid <SourceType> parameter." );
if (SourceStr.length() == 0)
throw Sys::CDeveloperException( "GL::CCgShader", "::CCgShader() : Invalid <SourceStr> parameter." );
CCgContext::AddRef();
if (Profile == CG_PROFILE_UNKNOWN)
Profile = cgGLGetLatestProfile( ProfileClass );
else
{
CheckDomain( Profile, ProfileClass );
if (cgGLIsProfileSupported( Profile ) == CG_FALSE)
{
const char *ProfileName = GetProfileName( Profile );
if (!ProfileName)
throw Sys::CException( 0, "GL::CCgShader", "::CCgShader() : Unknown shader profile." );
else
{
throw Sys::CException( 0, "GL::CCgShader", "::CCgShader() : Profile %s unsupported.\n"
"A profile may not be supported if required OpenGL extension is not available.", ProfileName );
}
}
}
try
{
const char *TypeName = NULL;
switch (ProfileClass)
{
case CG_GL_VERTEX:
TypeName = "vertex";
break;
case CG_GL_GEOMETRY:
TypeName = "geometry";
break;
case CG_GL_FRAGMENT:
TypeName = "fragment";
break;
}
const char *Args[ 2 ] =
{
Arguments.c_str(),
NULL
};
m_Program = cgCreateProgram( CCgContext::GetContext(), SourceType, SourceStr.c_str(), Profile,
(Entry.length() == 0) ? NULL : Entry.c_str(), (Arguments.length() == 0) ? NULL : Args );
if (!m_Program)
{
m_LastListing = CCgContext::GetLastListing();
#ifdef _DEBUG
OutputDebugLog();
#endif
throw CCgException( "GL::CCgShader", cgGetError(), "::CCgShader() : Failed to create Cg %s shader.\nSee program log for more details.", TypeName );
}
cgCompileProgram( m_Program );
CGerror Error = cgGetError();
if (Error != CG_NO_ERROR)
{
m_LastListing = CCgContext::GetLastListing();
#ifdef _DEBUG
OutputDebugLog();
#endif
throw CCgException( "GL::CCgShader", Error, "::CCgShader() : Failed to compile Cg %s shader.\nSee program log for more details.", TypeName );
}
}
catch (const Sys::CException& Ex)
{
if (cgIsProgram( m_Program ))
cgDestroyProgram( m_Program );
CCgContext::Release();
throw Ex;
}
}
bool CGLCG::LoadShader(const TCHAR *shaderFile)
{
CCGShader cgShader;
TCHAR shaderPath[MAX_PATH];
TCHAR tempPath[MAX_PATH];
CGprofile vertexProfile, fragmentProfile;
GLenum error;
if(!fboFunctionsLoaded) {
MessageBox(NULL, TEXT("Your OpenGL graphics driver does not support framebuffer objects.\nYou will not be able to use CG shaders in OpenGL mode."), TEXT("CG Error"),
MB_OK|MB_ICONEXCLAMATION);
return false;
}
vertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
fragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cgGLDisableProfile(vertexProfile);
cgGLDisableProfile(fragmentProfile);
ClearPasses();
if(prevTex) {
glDeleteTextures(1,&prevTex);
prevTex=0;
}
if (shaderFile == NULL || *shaderFile==TEXT('\0'))
return true;
lstrcpy(shaderPath,shaderFile);
for(int i=lstrlen(shaderPath); i>=0; i--){
if(IS_SLASH(shaderPath[i])){
shaderPath[i]=TEXT('\0');
break;
}
}
SetCurrentDirectory(shaderPath);
if(!cgShader.LoadShader(_tToChar(shaderFile)))
return false;
cgGLSetOptimalOptions(vertexProfile);
cgGLSetOptimalOptions(fragmentProfile);
/* insert dummy pass that will contain the original texture
*/
shaderPasses.push_back(shaderPass());
for(CCGShader::passVector::iterator it=cgShader.shaderPasses.begin();
it!=cgShader.shaderPasses.end();it++) {
shaderPass pass;
pass.scaleParams = it->scaleParams;
/* if this is the last pass (the only one that can have CG_SCALE_NONE)
and no filter has been set use the GUI setting
*/
if(pass.scaleParams.scaleTypeX==CG_SCALE_NONE && !it->filterSet) {
pass.linearFilter = GUI.BilinearFilter;
} else {
pass.linearFilter = it->linearFilter;
}
// paths in the meta file can be relative
_tfullpath(tempPath,_tFromChar(it->cgShaderFile),MAX_PATH);
char *fileContents = ReadShaderFileContents(tempPath);
if(!fileContents)
return false;
pass.cgVertexProgram = cgCreateProgram( cgContext, CG_SOURCE, fileContents,
vertexProfile, "main_vertex", NULL);
checkForCgError("Compiling vertex program");
pass.cgFragmentProgram = cgCreateProgram( cgContext, CG_SOURCE, fileContents,
fragmentProfile, "main_fragment", NULL);
checkForCgError("Compiling fragment program");
delete [] fileContents;
if(!pass.cgVertexProgram || !pass.cgFragmentProgram) {
return false;
}
cgGLLoadProgram(pass.cgVertexProgram);
cgGLLoadProgram(pass.cgFragmentProgram);
/* generate framebuffer and texture for this pass and apply
default texture settings
*/
glGenFramebuffers(1,&pass.fbo);
glGenTextures(1,&pass.tex);
glBindTexture(GL_TEXTURE_2D,pass.tex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
shaderPasses.push_back(pass);
}
for(std::vector<CCGShader::lookupTexture>::iterator it=cgShader.lookupTextures.begin();it!=cgShader.lookupTextures.end();it++) {
lookupTexture tex;
strcpy(tex.id,it->id);
/* generate texture for the lut and apply specified filter setting
*/
glGenTextures(1,&tex.tex);
glBindTexture(GL_TEXTURE_2D,tex.tex);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, it->linearfilter?GL_LINEAR:GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, it->linearfilter?GL_LINEAR:GL_NEAREST);
_tfullpath(tempPath,_tFromChar(it->texturePath),MAX_PATH);
// simple file extension png/tga decision
int strLen = strlen(it->texturePath);
if(strLen>4) {
if(!strcasecmp(&it->texturePath[strLen-4],".png")) {
int width, height;
bool hasAlpha;
GLubyte *texData;
if(loadPngImage(tempPath,width,height,hasAlpha,&texData)) {
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
glTexImage2D(GL_TEXTURE_2D, 0, hasAlpha ? 4 : 3, width,
height, 0, hasAlpha ? GL_RGBA : GL_RGB, GL_UNSIGNED_BYTE, texData);
free(texData);
}
} else if(!strcasecmp(&it->texturePath[strLen-4],".tga")) {
STGA stga;
if(loadTGA(tempPath,stga)) {
glPixelStorei(GL_UNPACK_ROW_LENGTH, stga.width);
glTexImage2D(GL_TEXTURE_2D, 0, 4, stga.width,
stga.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, stga.data);
}
}
}
lookupTextures.push_back(tex);
}
/* enable texture unit 1 for the lookup textures
*/
glClientActiveTexture(GL_TEXTURE1);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2,GL_FLOAT,0,lut_coords);
glClientActiveTexture(GL_TEXTURE0);
/* generate a texture that we can swap with the original texture
and pass back to the main opengl code
*/
glGenTextures(1,&prevTex);
glBindTexture(GL_TEXTURE_2D,prevTex);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,512,512,0,GL_RGB,GL_UNSIGNED_SHORT_5_6_5,NULL);
glBindTexture(GL_TEXTURE_2D,0);
prevTexSize.x = prevTexSize.y = prevTexImageSize.x = prevTexImageSize.y = 0;
memset(prevTexCoords,0,sizeof(prevTexCoords));
shaderLoaded = true;
return true;
}
void CGLCG::Render(GLuint &origTex, xySize textureSize, xySize inputSize, xySize viewportSize, xySize windowSize)
{
GLenum error;
frameCnt++;
CGprofile vertexProfile, fragmentProfile;
if(!shaderLoaded)
return;
vertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
fragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cgGLEnableProfile(vertexProfile);
cgGLEnableProfile(fragmentProfile);
/* set up our dummy pass for easier loop code
*/
shaderPasses[0].tex = origTex;
shaderPasses[0].outputSize = inputSize;
shaderPasses[0].textureSize = textureSize;
/* loop through all real passes
*/
for(int i=1;i<shaderPasses.size();i++) {
switch(shaderPasses[i].scaleParams.scaleTypeX) {
case CG_SCALE_ABSOLUTE:
shaderPasses[i].outputSize.x = (double)shaderPasses[i].scaleParams.absX;
break;
case CG_SCALE_SOURCE:
shaderPasses[i].outputSize.x = shaderPasses[i-1].outputSize.x * shaderPasses[i].scaleParams.scaleX;
break;
case CG_SCALE_VIEWPORT:
shaderPasses[i].outputSize.x = viewportSize.x * shaderPasses[i].scaleParams.scaleX;
break;
default:
shaderPasses[i].outputSize.x = viewportSize.x;
}
switch(shaderPasses[i].scaleParams.scaleTypeY) {
case CG_SCALE_ABSOLUTE:
shaderPasses[i].outputSize.y = (double)shaderPasses[i].scaleParams.absX;
break;
case CG_SCALE_SOURCE:
shaderPasses[i].outputSize.y = shaderPasses[i-1].outputSize.y * shaderPasses[i].scaleParams.scaleY;
break;
case CG_SCALE_VIEWPORT:
shaderPasses[i].outputSize.y = viewportSize.y * shaderPasses[i].scaleParams.scaleY;
break;
default:
shaderPasses[i].outputSize.y = viewportSize.y;
}
/* use next power of two in both directions
*/
float texSize = npot(max(shaderPasses[i].outputSize.x,shaderPasses[i].outputSize.y));
shaderPasses[i].textureSize.x = shaderPasses[i].textureSize.y = texSize;
/* set size of output texture
*/
glBindTexture(GL_TEXTURE_2D,shaderPasses[i].tex);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,(unsigned int)shaderPasses[i].textureSize.x,
(unsigned int)shaderPasses[i].textureSize.y,0,GL_RGBA,GL_UNSIGNED_INT_8_8_8_8,NULL);
/* viewport determines the area we render into the output texture
*/
glViewport(0,0,shaderPasses[i].outputSize.x,shaderPasses[i].outputSize.y);
/* set up framebuffer and attach output texture
*/
glBindFramebuffer(GL_FRAMEBUFFER,shaderPasses[i].fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, shaderPasses[i].tex, 0);
/* set up input texture (output of previous pass) and apply filter settings
*/
glBindTexture(GL_TEXTURE_2D,shaderPasses[i-1].tex);
glPixelStorei(GL_UNPACK_ROW_LENGTH, (GLint)shaderPasses[i-1].textureSize.x);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
shaderPasses[i].linearFilter?GL_LINEAR:GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
shaderPasses[i].linearFilter?GL_LINEAR:GL_NEAREST);
/* calculate tex coords first since we pass them to the shader
*/
setTexCoords(i,shaderPasses[i-1].outputSize,shaderPasses[i-1].textureSize);
setShaderVars(i);
cgGLBindProgram(shaderPasses[i].cgVertexProgram);
cgGLBindProgram(shaderPasses[i].cgFragmentProgram);
glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
glClear(GL_COLOR_BUFFER_BIT);
glDrawArrays (GL_QUADS, 0, 4);
}
/* disable framebuffer
*/
glBindFramebuffer(GL_FRAMEBUFFER,0);
/* switch original and prev texture and make sure the
new original texture has the same size as the old one
*/
origTex = prevTex;
prevTex = shaderPasses[0].tex;
prevTexSize.x = textureSize.x;
prevTexSize.y = textureSize.y;
prevTexImageSize.x = inputSize.x;
prevTexImageSize.y = inputSize.y;
memcpy(prevTexCoords,shaderPasses[1].texcoords,sizeof(prevTexCoords));
glBindTexture(GL_TEXTURE_2D,origTex);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,textureSize.x,textureSize.y,0,GL_RGB,GL_UNSIGNED_SHORT_5_6_5,NULL);
/* bind output of last pass to be rendered on the backbuffer
*/
glBindTexture(GL_TEXTURE_2D,shaderPasses.back().tex);
glPixelStorei(GL_UNPACK_ROW_LENGTH, (GLint)shaderPasses.back().textureSize.x);
/* calculate and apply viewport and texture coordinates to
that will be used in the main ogl code
*/
RECT displayRect=CalculateDisplayRect(shaderPasses.back().outputSize.x,shaderPasses.back().outputSize.y,windowSize.x,windowSize.y);
glViewport(displayRect.left,windowSize.y-displayRect.bottom,displayRect.right-displayRect.left,displayRect.bottom-displayRect.top);
setTexCoords(shaderPasses.size()-1,shaderPasses.back().outputSize,shaderPasses.back().textureSize,true);
/* render to backbuffer without shaders
*/
cgGLDisableProfile(vertexProfile);
cgGLDisableProfile(fragmentProfile);
}
static void *gl_cg_init(void *data, const char *path)
{
unsigned i;
cg_shader_data_t *cg = (cg_shader_data_t*)
calloc(1, sizeof(cg_shader_data_t));
if (!cg)
return NULL;
#ifdef HAVE_CG_RUNTIME_COMPILER
cgRTCgcInit();
#endif
cg->cgCtx = cgCreateContext();
if (!cg->cgCtx)
{
RARCH_ERR("Failed to create Cg context.\n");
goto error;
}
#ifdef RARCH_CG_DEBUG
cgGLSetDebugMode(CG_TRUE);
cgSetErrorHandler(cg_error_handler, NULL);
#endif
cg->cgFProf = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cg->cgVProf = cgGLGetLatestProfile(CG_GL_VERTEX);
if (
cg->cgFProf == CG_PROFILE_UNKNOWN ||
cg->cgVProf == CG_PROFILE_UNKNOWN)
{
RARCH_ERR("Invalid profile type\n");
goto error;
}
RARCH_LOG("[CG]: Vertex profile: %s\n", cgGetProfileString(cg->cgVProf));
RARCH_LOG("[CG]: Fragment profile: %s\n", cgGetProfileString(cg->cgFProf));
cgGLSetOptimalOptions(cg->cgFProf);
cgGLSetOptimalOptions(cg->cgVProf);
cgGLEnableProfile(cg->cgFProf);
cgGLEnableProfile(cg->cgVProf);
memset(cg->alias_define, 0, sizeof(cg->alias_define));
if ( !string_is_empty(path)
&& string_is_equal(path_get_extension(path), "cgp"))
{
if (!gl_cg_load_preset(cg, path))
goto error;
}
else
{
if (!gl_cg_load_plain(cg, path))
goto error;
}
cg->prg[0].mvp = cgGetNamedParameter(cg->prg[0].vprg, "IN.mvp_matrix");
for (i = 1; i <= cg->shader->passes; i++)
gl_cg_set_program_attributes(cg, i);
/* If we aren't using last pass non-FBO shader,
* this shader will be assumed to be "fixed-function".
*
* Just use prg[0] for that pass, which will be
* pass-through. */
cg->prg[cg->shader->passes + 1] = cg->prg[0];
/* No need to apply Android hack in Cg. */
cg->prg[VIDEO_SHADER_STOCK_BLEND] = cg->prg[0];
gl_cg_set_shaders(cg->prg[1].fprg, cg->prg[1].vprg);
gl_cg_reset_attrib(cg);
return cg;
error:
gl_cg_destroy_resources(cg);
if (!cg)
free(cg);
return NULL;
}
void COpenGLCgMaterialRenderer::init(s32& materialType,
const c8* vertexProgram, const c8* vertexEntry, E_VERTEX_SHADER_TYPE vertexProfile,
const c8* fragmentProgram, const c8* fragmentEntry, E_PIXEL_SHADER_TYPE fragmentProfile,
const c8* geometryProgram, const c8* geometryEntry, E_GEOMETRY_SHADER_TYPE geometryProfile,
scene::E_PRIMITIVE_TYPE inType, scene::E_PRIMITIVE_TYPE outType, u32 vertices)
{
bool shaderStatus = true;
CGerror Error = CG_NO_ERROR;
materialType = -1;
// TODO: add profile selection
if (vertexProgram)
{
VertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
if (VertexProfile)
VertexProgram = cgCreateProgram(Driver->getCgContext(), CG_SOURCE, vertexProgram, VertexProfile, vertexEntry, 0);
if (!VertexProgram)
{
Error = cgGetError();
os::Printer::log("Cg vertex program failed to compile:", ELL_ERROR);
os::Printer::log(cgGetLastListing(Driver->getCgContext()), ELL_ERROR);
shaderStatus = false;
}
else
cgGLLoadProgram(VertexProgram);
}
if (fragmentProgram)
{
FragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
if (FragmentProfile)
FragmentProgram = cgCreateProgram(Driver->getCgContext(), CG_SOURCE, fragmentProgram, FragmentProfile, fragmentEntry, 0);
if (!FragmentProgram)
{
Error = cgGetError();
os::Printer::log("Cg fragment program failed to compile:", ELL_ERROR);
os::Printer::log(cgGetLastListing(Driver->getCgContext()), ELL_ERROR);
shaderStatus = false;
}
else
cgGLLoadProgram(FragmentProgram);
}
if (geometryProgram)
{
GeometryProfile = cgGLGetLatestProfile(CG_GL_GEOMETRY);
if (GeometryProfile)
GeometryProgram = cgCreateProgram(Driver->getCgContext(), CG_SOURCE, geometryProgram, GeometryProfile, geometryEntry, 0);
if (!GeometryProgram)
{
Error = cgGetError();
os::Printer::log("Cg geometry program failed to compile:", ELL_ERROR);
os::Printer::log(cgGetLastListing(Driver->getCgContext()), ELL_ERROR);
shaderStatus = false;
}
else
cgGLLoadProgram(GeometryProgram);
}
getUniformList();
// create OpenGL specifics sampler uniforms.
for (unsigned int i = 0; i < UniformInfo.size(); ++i)
{
if (UniformInfo[i]->getType() == CG_SAMPLER2D)
{
bool IsGlobal = true;
if (UniformInfo[i]->getSpace() == CG_PROGRAM)
IsGlobal = false;
CCgUniform* Uniform = new COpenGLCgUniformSampler2D(UniformInfo[i]->getParameter(), IsGlobal);
delete UniformInfo[i];
UniformInfo[i] = Uniform;
}
}
if (shaderStatus)
materialType = Driver->addMaterialRenderer(this);
}
void Sarge::InitializeSargeShaders() {
TextureLoader textureLoader;
/////////////////////////////
//Vertex Shader
vsSargeProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
cgGLSetOptimalOptions(vsSargeProfile);
CheckForCgError("sarge", "selecting vertex profile");
vsSargeProgram = cgCreateProgramFromFile(ShaderContext, CG_SOURCE, "assets/vertexshaders/vs_sarge.cg", vsSargeProfile, "sargeVertexShader", 0);
CheckForCgError("sarge", "creating vertex program from file");
cgGLLoadProgram(vsSargeProgram);
CheckForCgError("sarge", "loading vertex program");
//////////////////////////////
//Pixel Shader
psSargeProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cgGLSetOptimalOptions(psSargeProfile);
CheckForCgError("sarge", "selecting pixel profile");
psSargeProgram = cgCreateProgramFromFile(ShaderContext, CG_SOURCE, "assets/pixelshaders/ps_sarge.cg", psSargeProfile, "sargeLightMap", 0);
CheckForCgError("sarge", "creating fragment program from file");
cgGLLoadProgram(psSargeProgram);
CheckForCgError("sarge", "loading fragment program");
modelViewProj = cgGetNamedParameter(vsSargeProgram, "modelViewProj");
lightViewProj = cgGetNamedParameter(vsSargeProgram, "lightViewProj");
vertin = cgGetNamedParameter(vsSargeProgram, "vertin");
lightPosition = cgGetNamedParameter(vsSargeProgram, "lightPosition");
fragin = cgGetNamedParameter(psSargeProgram, "fragin");
eyevector = cgGetNamedParameter(psSargeProgram, "eyevector");
CheckForCgError("sarge", "getting parameters");
textureLoader.LoadTextureFromDisk("assets/textures/shadermaps/sarge_normalmap.tga", &sargeNormalTexture);
textureLoader.LoadTextureFromDisk("assets/textures/shadermaps/sarge_colormap.tga", &sargeColorTexture);
//textureLoader.LoadTextureFromDisk("assets/textures/weapon/fire1.tga", &sargeColorTexture);
normalmap = cgGetNamedParameter(psSargeProgram, "normalmap");
cgGLSetTextureParameter(normalmap, sargeNormalTexture.TextureID);
decalmap = cgGetNamedParameter(psSargeProgram, "decalmap");
cgGLSetTextureParameter(decalmap, sargeColorTexture.TextureID);
CheckForCgError("sarge", "setting decal 2D texture");
/*
decalmap = cgGetNamedParameter(psSargeProgram, "decalmap");
cgGLSetTextureParameter(text1, sargeColorTexture.TextureID);
CheckForCgError("sarge", "setting decal 2D texture");
*/
mMeshObject.Scale(1.6f);
}
static bool gl_cg_init(const char *path)
{
#ifdef HAVE_CG_RUNTIME_COMPILER
cgRTCgcInit();
#endif
if (!cgCtx)
cgCtx = cgCreateContext();
if (cgCtx == NULL)
{
RARCH_ERR("Failed to create Cg context\n");
return false;
}
#ifdef RARCH_CG_DEBUG
cgGLSetDebugMode(CG_TRUE);
cgSetErrorHandler(cg_error_handler, NULL);
#endif
cgFProf = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cgVProf = cgGLGetLatestProfile(CG_GL_VERTEX);
if (cgFProf == CG_PROFILE_UNKNOWN || cgVProf == CG_PROFILE_UNKNOWN)
{
RARCH_ERR("Invalid profile type\n");
return false;
}
#ifndef HAVE_RGL
RARCH_LOG("[Cg]: Vertex profile: %s\n", cgGetProfileString(cgVProf));
RARCH_LOG("[Cg]: Fragment profile: %s\n", cgGetProfileString(cgFProf));
#endif
cgGLSetOptimalOptions(cgFProf);
cgGLSetOptimalOptions(cgVProf);
cgGLEnableProfile(cgFProf);
cgGLEnableProfile(cgVProf);
if (path && strcmp(path_get_extension(path), "cgp") == 0)
{
if (!load_preset(path))
return false;
}
else
{
if (!load_plain(path))
return false;
}
prg[0].mvp = cgGetNamedParameter(prg[0].vprg, "modelViewProj");
for (unsigned i = 1; i <= cg_shader->passes; i++)
set_program_attributes(i);
// If we aren't using last pass non-FBO shader,
// this shader will be assumed to be "fixed-function".
// Just use prg[0] for that pass, which will be
// pass-through.
prg[cg_shader->passes + 1] = prg[0];
// No need to apply Android hack in Cg.
prg[GL_SHADER_STOCK_BLEND] = prg[0];
cgGLBindProgram(prg[1].fprg);
cgGLBindProgram(prg[1].vprg);
cg_active = true;
return true;
}
void Glow::Load()
{
this->cg_blur_steps = 4;
this->cg_enagled_glow = 1;
this->glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC)wglGetProcAddress("glActiveTextureARB");
unsigned char* pBlankTex = new unsigned char[pWinWidth*pWinHeight * 3];
memset(pBlankTex, 0, pWinWidth*pWinHeight * 3);
glGenTextures(1, &this->g_uiSceneTex);
glBindTexture(GL_TEXTURE_RECTANGLE_NV, this->g_uiSceneTex);
glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGB8, pWinWidth, pWinHeight, 0, GL_RGB8, GL_UNSIGNED_BYTE, pBlankTex);
glGenTextures(1, &this->g_uiBlurTex);
glBindTexture(GL_TEXTURE_RECTANGLE_NV, this->g_uiBlurTex);
glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGB8, pWinWidth / 2, pWinHeight / 2, 0, GL_RGB8, GL_UNSIGNED_BYTE, pBlankTex);
delete[] pBlankTex;
this->g_bInitialised = true;
this->g_cgContext = cgCreateContext();
if (!this->g_cgContext)
{
MessageBox(NULL, "Couldn't make Cg context", NULL, NULL);
return;
}
this->g_cgVertProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
if (this->g_cgVertProfile == CG_PROFILE_UNKNOWN)
{
MessageBox(NULL, "Couldn't fetch valid VP profile", NULL, NULL);
return;
}
cgGLSetOptimalOptions(this->g_cgVertProfile);
if (!LoadProgram(&this->g_cgVP_GlowDarken, this->g_cgVertProfile, "Data/Custom/Shader/glow_darken_vp.cg"))
return;
if (!LoadProgram(&this->g_cgVP_GlowBlur, this->g_cgVertProfile, "Data/Custom/Shader/glow_blur_vp.cg"))
return;
if (!LoadProgram(&this->g_cgVP_GlowCombine, this->g_cgVertProfile, "Data/Custom/Shader/glow_combine_vp.cg"))
return;
this->g_cgpVP0_ModelViewMatrix = cgGetNamedParameter(this->g_cgVP_GlowDarken, "ModelViewProj");
this->g_cgpVP1_ModelViewMatrix = cgGetNamedParameter(this->g_cgVP_GlowBlur, "ModelViewProj");
this->g_cgpVP1_XOffset = cgGetNamedParameter(this->g_cgVP_GlowBlur, "XOffset");
this->g_cgpVP1_YOffset = cgGetNamedParameter(this->g_cgVP_GlowBlur, "YOffset");
this->g_cgpVP2_ModelViewMatrix = cgGetNamedParameter(this->g_cgVP_GlowCombine, "ModelViewProj");
this->g_cgFragProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
if (this->g_cgFragProfile == CG_PROFILE_UNKNOWN)
{
MessageBox(NULL, "Couldn't fetch valid FP profile", NULL, NULL);
return;
}
cgGLSetOptimalOptions(this->g_cgFragProfile);
if (!LoadProgram(&this->g_cgFP_GlowDarken, this->g_cgFragProfile, "Data/Custom/Shader/glow_darken_fp.cg"))
return;
if (!LoadProgram(&this->g_cgFP_GlowBlur, this->g_cgFragProfile, "Data/Custom/Shader/glow_blur_fp.cg"))
return;
if (!LoadProgram(&this->g_cgFP_GlowCombine, this->g_cgFragProfile, "Data/Custom/Shader/glow_combine_fp.cg"))
return;
}
