697 lines
23 KiB
C++
697 lines
23 KiB
C++
/*
|
|
* ShaderEngine.cpp
|
|
*
|
|
* Created on: Jul 18, 2008
|
|
* Author: pete
|
|
*/
|
|
#include <fstream>
|
|
#include "PerlinNoise.hpp"
|
|
#include "ShaderEngine.hpp"
|
|
#include "BeatDetect.hpp"
|
|
|
|
ShaderEngine::ShaderEngine()
|
|
{
|
|
#ifdef USE_CG
|
|
SetupCg();
|
|
#endif
|
|
}
|
|
|
|
ShaderEngine::~ShaderEngine()
|
|
{
|
|
// TODO Auto-generated destructor stub
|
|
}
|
|
|
|
#ifdef USE_CG
|
|
|
|
void ShaderEngine::setParams(const int texsize, const unsigned int texId, const float aspect, BeatDetect *beatDetect,
|
|
TextureManager *textureManager)
|
|
{
|
|
mainTextureId = texId;
|
|
this->beatDetect = beatDetect;
|
|
this->textureManager = textureManager;
|
|
this->aspect = aspect;
|
|
this->texsize = texsize;
|
|
|
|
textureManager->setTexture("main", texId, texsize, texsize);
|
|
|
|
glGenTextures(1, &blur1_tex);
|
|
glBindTexture(GL_TEXTURE_2D, blur1_tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texsize/2, texsize/2, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
|
|
glGenTextures(1, &blur2_tex);
|
|
glBindTexture(GL_TEXTURE_2D, blur2_tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texsize / 4, texsize / 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
|
|
glGenTextures(1, &blur3_tex);
|
|
glBindTexture(GL_TEXTURE_2D, blur3_tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, texsize / 8, texsize / 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL );
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
|
|
blur1_enabled = false;
|
|
blur2_enabled = false;
|
|
blur3_enabled = false;
|
|
|
|
//std::cout << "Generating Noise Textures" << std::endl;
|
|
|
|
PerlinNoise noise;
|
|
|
|
glGenTextures(1, &noise_texture_lq_lite);
|
|
glBindTexture(GL_TEXTURE_2D, noise_texture_lq_lite);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, 4, 32, 32, 0, GL_LUMINANCE, GL_FLOAT, noise.noise_lq_lite);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
textureManager->setTexture("noise_lq_lite", noise_texture_lq_lite, 32, 32);
|
|
|
|
glGenTextures(1, &noise_texture_lq);
|
|
glBindTexture(GL_TEXTURE_2D, noise_texture_lq);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, 4, 256, 256, 0, GL_LUMINANCE, GL_FLOAT, noise.noise_lq);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
textureManager->setTexture("noise_lq", noise_texture_lq, 256, 256);
|
|
|
|
glGenTextures(1, &noise_texture_mq);
|
|
glBindTexture(GL_TEXTURE_2D, noise_texture_mq);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, 4, 256, 256, 0, GL_LUMINANCE, GL_FLOAT, noise.noise_mq);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
textureManager->setTexture("noise_mq", noise_texture_mq, 256, 256);
|
|
|
|
glGenTextures(1, &noise_texture_hq);
|
|
glBindTexture(GL_TEXTURE_2D, noise_texture_hq);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, 4, 256, 256, 0, GL_LUMINANCE, GL_FLOAT, noise.noise_hq);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
textureManager->setTexture("noise_hq", noise_texture_hq, 256, 256);
|
|
|
|
glGenTextures(1, &noise_texture_perlin);
|
|
glBindTexture(GL_TEXTURE_2D, noise_texture_perlin);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, 4, 512, 512, 0, GL_LUMINANCE, GL_FLOAT, noise.noise_perlin);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
textureManager->setTexture("noise_perlin", noise_texture_perlin, 512, 512);
|
|
|
|
/*
|
|
glGenTextures( 1, &noise_texture_lq_vol );
|
|
glBindTexture( GL_TEXTURE_3D, noise_texture_lq_vol );
|
|
glTexImage3D(GL_TEXTURE_3D,0,4,32,32,32,0,GL_LUMINANCE,GL_FLOAT,noise.noise_lq_vol);
|
|
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
textureManager->setTexture("noisevol_lq", noise_texture_lq_vol, 256, 256);
|
|
|
|
glGenTextures( 1, &noise_texture_hq_vol );
|
|
glBindTexture( GL_TEXTURE_3D, noise_texture_hq_vol );
|
|
glTexImage3D(GL_TEXTURE_3D,0,4,32,32,32,0,GL_LUMINANCE,GL_FLOAT,noise.noise_hq_vol);
|
|
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
textureManager->setTexture("noisevol_hq", noise_texture_hq_vol, 8, 8);
|
|
*/
|
|
|
|
}
|
|
|
|
bool ShaderEngine::LoadCgProgram(Shader &shader)
|
|
{
|
|
//if (p != NULL) cgDestroyProgram(p);
|
|
//p = NULL;
|
|
std::string program = shader.programSource;
|
|
|
|
if (program.length() > 0)
|
|
{
|
|
size_t found = program.rfind('}');
|
|
if (found != std::string::npos)
|
|
{
|
|
//std::cout << "last '}' found at: " << int(found) << std::endl;
|
|
program.replace(int(found), 1, "OUT.color.xyz=ret.xyz;\nOUT.color.w=1;\nreturn OUT;\n}");
|
|
}
|
|
else
|
|
return false;
|
|
found = program.rfind('{');
|
|
if (found != std::string::npos)
|
|
{
|
|
//std::cout << "first '{' found at: " << int(found) << std::endl;
|
|
program.replace(int(found), 1, "{\nfloat rad=getrad;\nfloat ang=getang;\n");
|
|
}
|
|
else
|
|
return false;
|
|
found = program.find("shader_body");
|
|
if (found != std::string::npos)
|
|
{
|
|
//std::cout << "first 'shader_body' found at: " << int(found) << std::endl;
|
|
program.replace(int(found), 11, "outtype projectm(float2 uv : TEXCOORD0)\n");
|
|
}
|
|
else
|
|
return false;
|
|
|
|
shader.textures.clear();
|
|
|
|
found = 0;
|
|
found = program.find("sampler_", found);
|
|
while (found != std::string::npos)
|
|
{
|
|
found += 8;
|
|
size_t end = program.find_first_of(" ;,\n\r)", found);
|
|
|
|
if (end != std::string::npos)
|
|
{
|
|
|
|
std::string sampler = program.substr((int) found, (int) end - found);
|
|
UserTexture* texture = new UserTexture(sampler);
|
|
|
|
texture->texID = textureManager->getTexture(texture->name);
|
|
if (texture->texID != 0)
|
|
{
|
|
texture->width = textureManager->getTextureWidth(texture->name);
|
|
texture->height = textureManager->getTextureHeight(texture->name);
|
|
}
|
|
else
|
|
{
|
|
if (sampler.substr(0, 4) == "rand")
|
|
{
|
|
std::string random_name = textureManager->getRandomTextureName(texture->name);
|
|
if (random_name.size() > 0)
|
|
{
|
|
texture->texID = textureManager->getTexture(random_name);
|
|
texture->width = textureManager->getTextureWidth(random_name);
|
|
texture->height = textureManager->getTextureHeight(random_name);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
std::string extensions[6];
|
|
extensions[0] = ".jpg";
|
|
extensions[1] = ".dds";
|
|
extensions[2] = ".png";
|
|
extensions[3] = ".tga";
|
|
extensions[4] = ".bmp";
|
|
extensions[5] = ".dib";
|
|
|
|
for (int x = 0; x < 6; x++)
|
|
{
|
|
|
|
std::string filename = texture->name + extensions[x];
|
|
texture->texID = textureManager->getTexture(filename);
|
|
if (texture->texID != 0)
|
|
{
|
|
texture->width = textureManager->getTextureWidth(filename);
|
|
texture->height = textureManager->getTextureHeight(filename);
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
if (texture->texID != 0 && shader.textures.find(texture->qname) == shader.textures.end())
|
|
shader.textures[texture->qname] = texture;
|
|
|
|
else
|
|
delete (texture);
|
|
|
|
}
|
|
|
|
found = program.find("sampler_", found);
|
|
}
|
|
textureManager->clearRandomTextures();
|
|
|
|
found = 0;
|
|
found = program.find("texsize_", found);
|
|
while (found != std::string::npos)
|
|
{
|
|
found += 8;
|
|
size_t end = program.find_first_of(" ;.,\n\r)", found);
|
|
|
|
if (end != std::string::npos)
|
|
{
|
|
std::string tex = program.substr((int) found, (int) end - found);
|
|
if (shader.textures.find(tex) != shader.textures.end())
|
|
{
|
|
UserTexture* texture = shader.textures[tex];
|
|
texture->texsizeDefined = true;
|
|
//std::cout << "texsize_" << tex << " found" << std::endl;
|
|
}
|
|
}
|
|
found = program.find("texsize_", found);
|
|
}
|
|
|
|
found = program.find("GetBlur3");
|
|
if (found != std::string::npos)
|
|
blur1_enabled = blur2_enabled = blur3_enabled = true;
|
|
else
|
|
{
|
|
found = program.find("GetBlur2");
|
|
if (found != std::string::npos)
|
|
blur1_enabled = blur2_enabled = true;
|
|
else
|
|
{
|
|
found = program.find("GetBlur1");
|
|
if (found != std::string::npos)
|
|
blur1_enabled = true;
|
|
}
|
|
}
|
|
|
|
std::string temp;
|
|
|
|
temp.append(cgTemplate);
|
|
temp.append(program);
|
|
|
|
//std::cout << "Cg: Compilation Results:" << std::endl << std::endl;
|
|
//std::cout << program << std::endl;
|
|
|
|
CGprogram p = cgCreateProgram(myCgContext, CG_SOURCE, temp.c_str(),//temp.c_str(),
|
|
myCgProfile, "projectm", NULL);
|
|
|
|
checkForCgCompileError("creating shader program");
|
|
if (p == NULL)
|
|
return false;
|
|
|
|
cgGLLoadProgram(p);
|
|
|
|
if (checkForCgCompileError("loading shader program"))
|
|
{
|
|
p = NULL;
|
|
return false;
|
|
}
|
|
|
|
programs[&shader] = p;
|
|
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
bool ShaderEngine::checkForCgCompileError(const char *situation)
|
|
{
|
|
CGerror error;
|
|
const char *string = cgGetLastErrorString(&error);
|
|
error = cgGetError();
|
|
if (error != CG_NO_ERROR)
|
|
{
|
|
std::cout << "Cg: Compilation Error" << std::endl;
|
|
std::cout << "Cg: %" << situation << " - " << string << std::endl;
|
|
if (error == CG_COMPILER_ERROR)
|
|
{
|
|
std::cout << "Cg: " << cgGetLastListing(myCgContext) << std::endl;
|
|
|
|
}
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void ShaderEngine::checkForCgError(const char *situation)
|
|
{
|
|
CGerror error;
|
|
const char *string = cgGetLastErrorString(&error);
|
|
|
|
if (error != CG_NO_ERROR)
|
|
{
|
|
std::cout << "Cg: %" << situation << " - " << string << std::endl;
|
|
if (error == CG_COMPILER_ERROR)
|
|
{
|
|
std::cout << "Cg: " << cgGetLastListing(myCgContext) << std::endl;
|
|
}
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void ShaderEngine::SetupCg()
|
|
{
|
|
std::string line;
|
|
std::ifstream myfile(CMAKE_INSTALL_PREFIX "/share/projectM/shaders/projectM.cg");
|
|
if (myfile.is_open())
|
|
{
|
|
while (!myfile.eof())
|
|
{
|
|
std::getline(myfile, line);
|
|
cgTemplate.append(line + "\n");
|
|
}
|
|
myfile.close();
|
|
}
|
|
|
|
else
|
|
std::cout << "Unable to load shader template \"" << CMAKE_INSTALL_PREFIX "/share/projectM/shaders/projectM.cg\"" << std::endl;
|
|
|
|
std::ifstream myfile2(CMAKE_INSTALL_PREFIX "/share/projectM/shaders/blur.cg");
|
|
if (myfile2.is_open())
|
|
{
|
|
while (!myfile2.eof())
|
|
{
|
|
std::getline(myfile2, line);
|
|
blurProgram.append(line + "\n");
|
|
}
|
|
myfile2.close();
|
|
}
|
|
|
|
else
|
|
std::cout << "Unable to load blur template" << std::endl;
|
|
|
|
myCgContext = cgCreateContext();
|
|
checkForCgError("creating context");
|
|
cgGLSetDebugMode(CG_FALSE);
|
|
cgSetParameterSettingMode(myCgContext, CG_DEFERRED_PARAMETER_SETTING);
|
|
|
|
myCgProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
|
|
cgGLSetOptimalOptions(myCgProfile);
|
|
checkForCgError("selecting fragment profile");
|
|
|
|
profileName = cgGetProfileString(myCgProfile);
|
|
std::cout << "Cg: Initialized profile: " << profileName << std::endl;
|
|
//std::cout<< blurProgram.c_str()<<std::endl;
|
|
blur1Program = cgCreateProgram(myCgContext, CG_SOURCE, blurProgram.c_str(), myCgProfile, "blur1", NULL);
|
|
|
|
checkForCgCompileError("creating blur1 program");
|
|
if (blur1Program == NULL)
|
|
exit(1);
|
|
cgGLLoadProgram(blur1Program);
|
|
|
|
checkForCgError("loading blur1 program");
|
|
|
|
blur2Program = cgCreateProgram(myCgContext, CG_SOURCE, blurProgram.c_str(), myCgProfile, "blurVert", NULL);
|
|
|
|
checkForCgCompileError("creating blur2 program");
|
|
if (blur2Program == NULL)
|
|
exit(1);
|
|
cgGLLoadProgram(blur2Program);
|
|
|
|
checkForCgError("loading blur2 program");
|
|
|
|
}
|
|
|
|
void ShaderEngine::SetupCgVariables(CGprogram program, const Pipeline &pipeline, const PipelineContext &context)
|
|
{
|
|
|
|
float slow_roam_cos[4] = { 0.5 + 0.5 * cos(context.time * 0.005), 0.5 + 0.5 * cos(context.time * 0.008), 0.5 + 0.5 * cos(context.time * 0.013), 0.5 + 0.5 * cos(context.time * 0.022) };
|
|
float roam_cos[4] = { 0.5 + 0.5 * cos(context.time * 0.3), 0.5 + 0.5 * cos(context.time * 1.3), 0.5 + 0.5 * cos(context.time * 5), 0.5 + 0.5 * cos(context.time * 20) };
|
|
float slow_roam_sin[4] = { 0.5 + 0.5 * sin(context.time * 0.005), 0.5 + 0.5 * sin(context.time * 0.008), 0.5 + 0.5 * sin(context.time * 0.013), 0.5 + 0.5 * sin(context.time * 0.022) };
|
|
float roam_sin[4] = { 0.5 + 0.5 * sin(context.time * 0.3), 0.5 + 0.5 * sin(context.time * 1.3), 0.5 + 0.5 * sin(context.time * 5), 0.5 + 0.5 * sin(context.time * 20) };
|
|
|
|
cgGLSetParameter4fv(cgGetNamedParameter(program, "slow_roam_cos"), slow_roam_cos);
|
|
cgGLSetParameter4fv(cgGetNamedParameter(program, "roam_cos"), roam_cos);
|
|
cgGLSetParameter4fv(cgGetNamedParameter(program, "slow_roam_sin"), slow_roam_sin);
|
|
cgGLSetParameter4fv(cgGetNamedParameter(program, "roam_sin"), roam_sin);
|
|
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "time"), context.time);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "rand_preset"), rand_preset[0], rand_preset[1], rand_preset[2], rand_preset[3]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "rand_frame"), (rand() % 100) * .01, (rand() % 100) * .01, (rand()% 100) * .01, (rand() % 100) * .01);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "fps"), context.fps);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "frame"), context.frame);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "progress"), context.progress);
|
|
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "blur1_min"), pipeline.blur1n);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "blur1_max"), pipeline.blur1x);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "blur2_min"), pipeline.blur2n);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "blur2_max"), pipeline.blur2x);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "blur3_min"), pipeline.blur3n);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "blur3_max"), pipeline.blur3x);
|
|
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "bass"), beatDetect->bass);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "mid"), beatDetect->mid);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "treb"), beatDetect->treb);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "bass_att"), beatDetect->bass_att);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "mid_att"), beatDetect->mid_att);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "treb_att"), beatDetect->treb_att);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "vol"), beatDetect->vol);
|
|
cgGLSetParameter1f(cgGetNamedParameter(program, "vol_att"), beatDetect->vol);
|
|
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "texsize"), texsize, texsize, 1 / (float) texsize, 1
|
|
/ (float) texsize);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "aspect"), 1 / aspect, 1, aspect, 1);
|
|
|
|
if (blur1_enabled)
|
|
{
|
|
cgGLSetTextureParameter(cgGetNamedParameter(program, "sampler_blur1"), blur1_tex);
|
|
cgGLEnableTextureParameter(cgGetNamedParameter(program, "sampler_blur1"));
|
|
}
|
|
if (blur2_enabled)
|
|
{
|
|
cgGLSetTextureParameter(cgGetNamedParameter(program, "sampler_blur2"), blur2_tex);
|
|
cgGLEnableTextureParameter(cgGetNamedParameter(program, "sampler_blur2"));
|
|
}
|
|
if (blur3_enabled)
|
|
{
|
|
cgGLSetTextureParameter(cgGetNamedParameter(program, "sampler_blur3"), blur3_tex);
|
|
cgGLEnableTextureParameter(cgGetNamedParameter(program, "sampler_blur3"));
|
|
}
|
|
|
|
}
|
|
|
|
void ShaderEngine::SetupUserTexture(CGprogram program, const UserTexture* texture)
|
|
{
|
|
std::string samplerName = "sampler_" + texture->qname;
|
|
|
|
CGparameter param = cgGetNamedParameter(program, samplerName.c_str());
|
|
checkForCgError("getting parameter");
|
|
cgGLSetTextureParameter(param, texture->texID);
|
|
checkForCgError("setting parameter");
|
|
cgGLEnableTextureParameter(param);
|
|
checkForCgError("enabling parameter");
|
|
//std::cout<<texture->texID<<" "<<samplerName<<std::endl;
|
|
|
|
if (texture->texsizeDefined)
|
|
{
|
|
std::string texsizeName = "texsize_" + texture->name;
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, texsizeName.c_str()), texture->width, texture->height, 1
|
|
/ (float) texture->width, 1 / (float) texture->height);
|
|
checkForCgError("setting parameter texsize");
|
|
}
|
|
}
|
|
|
|
void ShaderEngine::SetupUserTextureState( const UserTexture* texture)
|
|
{
|
|
glBindTexture(GL_TEXTURE_2D, texture->texID);
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texture->bilinear ? GL_LINEAR : GL_NEAREST);
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texture->bilinear ? GL_LINEAR : GL_NEAREST);
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, texture->wrap ? GL_REPEAT : GL_CLAMP);
|
|
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, texture->wrap ? GL_REPEAT : GL_CLAMP);
|
|
}
|
|
|
|
void ShaderEngine::SetupCgQVariables(CGprogram program, const Pipeline &q)
|
|
{
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qa"), q.q[0], q.q[1], q.q[2], q.q[3]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qb"), q.q[4], q.q[5], q.q[6], q.q[7]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qc"), q.q[8], q.q[9], q.q[10], q.q[11]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qd"), q.q[12], q.q[13], q.q[14], q.q[15]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qe"), q.q[16], q.q[17], q.q[18], q.q[19]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qf"), q.q[20], q.q[21], q.q[22], q.q[23]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qg"), q.q[24], q.q[25], q.q[26], q.q[27]);
|
|
cgGLSetParameter4f(cgGetNamedParameter(program, "_qh"), q.q[28], q.q[29], q.q[30], q.q[31]);
|
|
}
|
|
|
|
void ShaderEngine::setAspect(float aspect)
|
|
{
|
|
this->aspect = aspect;
|
|
}
|
|
void ShaderEngine::RenderBlurTextures(const Pipeline &pipeline, const PipelineContext &pipelineContext,
|
|
const int texsize)
|
|
{
|
|
if (blur1_enabled || blur2_enabled || blur3_enabled)
|
|
{
|
|
float tex[4][2] =
|
|
{
|
|
{ 0, 1 },
|
|
{ 0, 0 },
|
|
{ 1, 0 },
|
|
{ 1, 1 } };
|
|
|
|
glBlendFunc(GL_ONE, GL_ZERO);
|
|
glColor4f(1.0, 1.0, 1.0, 1.0f);
|
|
|
|
glBindTexture(GL_TEXTURE_2D, mainTextureId);
|
|
glEnable(GL_TEXTURE_2D);
|
|
|
|
glEnableClientState(GL_VERTEX_ARRAY);
|
|
glDisableClientState(GL_COLOR_ARRAY);
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
|
|
glTexCoordPointer(2, GL_FLOAT, 0, tex);
|
|
|
|
cgGLEnableProfile(myCgProfile);
|
|
checkForCgError("enabling profile");
|
|
|
|
if (blur1_enabled)
|
|
{
|
|
cgGLSetParameter4f(cgGetNamedParameter(blur1Program, "srctexsize"), texsize/2, texsize/2, 2 / (float) texsize,
|
|
2 / (float) texsize);
|
|
cgGLSetParameter4f(cgGetNamedParameter(blur2Program, "srctexsize"), texsize/2 , texsize/2, 2 / (float) texsize,
|
|
2 / (float) texsize);
|
|
|
|
|
|
|
|
float pointsold[4][2] =
|
|
{
|
|
{ 0, 1 },
|
|
{ 0, 0 },
|
|
{ 1, 0 },
|
|
{ 1, 1 } };
|
|
float points[4][2] =
|
|
{
|
|
{ 0, 0.5 },
|
|
{ 0, 0 },
|
|
{ 0.5, 0 },
|
|
{ 0.5, 0.5 } };
|
|
|
|
cgGLBindProgram(blur1Program);
|
|
checkForCgError("binding blur1 program");
|
|
|
|
glVertexPointer(2, GL_FLOAT, 0, points);
|
|
glBlendFunc(GL_ONE,GL_ZERO);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
|
|
glBindTexture(GL_TEXTURE_2D, blur1_tex);
|
|
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, texsize/2, texsize/2);
|
|
|
|
|
|
}
|
|
|
|
if (blur2_enabled)
|
|
{
|
|
cgGLSetParameter4f(cgGetNamedParameter(blur1Program, "srctexsize"), texsize/2, texsize/2, 2 / (float) texsize,
|
|
2 / (float) texsize);
|
|
cgGLSetParameter4f(cgGetNamedParameter(blur2Program, "srctexsize"), texsize/2, texsize/2, 2 / (float) texsize,
|
|
2 / (float) texsize);
|
|
|
|
|
|
|
|
float points[4][2] =
|
|
{
|
|
{ 0, 0.25 },
|
|
{ 0, 0 },
|
|
{ 0.25, 0 },
|
|
{ 0.25, 0.25 } };
|
|
|
|
glVertexPointer(2, GL_FLOAT, 0, points);
|
|
glBlendFunc(GL_ONE,GL_ZERO);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
|
|
|
|
glBindTexture(GL_TEXTURE_2D, blur2_tex);
|
|
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, texsize/4, texsize/4);
|
|
|
|
|
|
}
|
|
|
|
if (blur3_enabled)
|
|
{
|
|
cgGLSetParameter4f(cgGetNamedParameter(blur2Program, "srctexsize"), texsize/4, texsize/4, 4 / (float) texsize,
|
|
4/ (float) texsize);
|
|
cgGLSetParameter4f(cgGetNamedParameter(blur2Program, "srctexsize"), texsize / 4, texsize / 4, 4
|
|
/ (float) texsize, 4 / (float) texsize);
|
|
float points[4][2] =
|
|
{
|
|
{ 0, 0.125 },
|
|
{ 0, 0 },
|
|
{ 0.125, 0 },
|
|
{ 0.125, 0.125 } };
|
|
|
|
glVertexPointer(2, GL_FLOAT, 0, points);
|
|
glBlendFunc(GL_ONE,GL_ZERO);
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
|
|
|
|
glBindTexture(GL_TEXTURE_2D, blur3_tex);
|
|
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, texsize/8, texsize/8);
|
|
|
|
|
|
}
|
|
|
|
|
|
cgGLUnbindProgram(myCgProfile);
|
|
checkForCgError("unbinding blur2 program");
|
|
|
|
|
|
cgGLDisableProfile(myCgProfile);
|
|
checkForCgError("disabling blur profile");
|
|
|
|
glDisable(GL_TEXTURE_2D);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
}
|
|
}
|
|
|
|
void ShaderEngine::loadShader(Shader &shader)
|
|
{
|
|
if (shader.enabled)
|
|
{
|
|
cgDestroyProgram(programs[&shader]);
|
|
programs.erase(&shader);
|
|
}
|
|
shader.enabled = LoadCgProgram(shader);
|
|
}
|
|
|
|
void ShaderEngine::disableShader()
|
|
{
|
|
if (enabled)
|
|
{
|
|
cgGLUnbindProgram(myCgProfile);
|
|
checkForCgError("disabling fragment profile");
|
|
cgGLDisableProfile(myCgProfile);
|
|
checkForCgError("disabling fragment profile");
|
|
}
|
|
enabled = false;
|
|
}
|
|
|
|
void ShaderEngine::enableShader(Shader &shader, const Pipeline &pipeline, const PipelineContext &pipelineContext)
|
|
{
|
|
enabled = false;
|
|
if (shader.enabled)
|
|
{
|
|
|
|
for (std::map<std::string, UserTexture*>::const_iterator pos = shader.textures.begin(); pos != shader.textures.end(); ++pos)
|
|
SetupUserTextureState( pos->second);
|
|
|
|
|
|
CGprogram program = programs[&shader];
|
|
for (std::map<std::string, UserTexture*>::const_iterator pos = shader.textures.begin(); pos
|
|
!= shader.textures.end(); ++pos)
|
|
SetupUserTexture(program, pos->second);
|
|
|
|
cgGLEnableProfile(myCgProfile);
|
|
checkForCgError("enabling warp profile");
|
|
|
|
cgGLBindProgram(program);
|
|
checkForCgError("binding warp program");
|
|
|
|
SetupCgVariables(program, pipeline, pipelineContext);
|
|
SetupCgQVariables(program, pipeline);
|
|
|
|
enabled = true;
|
|
}
|
|
}
|
|
|
|
void ShaderEngine::reset()
|
|
{
|
|
rand_preset[0] = (rand() % 100) * .01;
|
|
rand_preset[1] = (rand() % 100) * .01;
|
|
rand_preset[2] = (rand() % 100) * .01;
|
|
rand_preset[3] = (rand() % 100) * .01;
|
|
}
|
|
|
|
#endif
|