CPUTBufferOGL::~CPUTBufferOGL()
{
GL_CHECK(glDeleteBuffers(1, &mBuffer));
}
Vao::~Vao() {
if (m_glVertexArray) {
GL_CHECK(glDeleteVertexArrays(1, &m_glVertexArray));
}
}
void Enable()
{
GL_CHECK(glBindVertexArray(mVertexArray));
}
unsigned int
shader_create_program(program_type_e type)
{
GLuint vs = 0;
GLuint fs = 0;
GLuint program = glCreateProgram();
GLint link_status;
GLint length = 0;
switch(type) {
case PROGRAM_BACKGROUND:
vs = shader_create_shader(GL_VERTEX_SHADER, background_vshader_g);
fs = shader_create_shader(GL_FRAGMENT_SHADER, simpletex_fshader_g);
break;
case PROGRAM_CHARACTER:
vs = shader_create_shader(GL_VERTEX_SHADER, character_vshader_g);
fs = shader_create_shader(GL_FRAGMENT_SHADER, simpletex_fshader_g);
break;
default:
log_e("program type: %d is not implemented", type);
goto error;
}
if (!vs || !fs) {
goto error;
}
if (program) {
glAttachShader(program, vs);
glAttachShader(program, fs);
glLinkProgram(program);
link_status = GL_FALSE;
glGetProgramiv(program, GL_LINK_STATUS, &link_status);
if (link_status != GL_TRUE) {
length = 0;
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &length);
if (length) {
char* buf = (char*) malloc(length);
if (buf) {
glGetProgramInfoLog(program, length, NULL, buf);
log_e("Could not link program: %s\n", buf);
free(buf);
}
}
goto error;
}
} else {
goto error;
}
GL_CHECK(glDeleteShader, vs);
GL_CHECK(glDeleteShader, fs);
log_i("Created program: %d", program);
return program;
error:
log_e("Could not create program: %d", type);
glDeleteShader(vs);
glDeleteShader(fs);
glDeleteProgram(program);
return 0;
}
void Vao::bind() const {
GL_CHECK(glBindVertexArray(m_glVertexArray));
}
Text::~Text(void)
{
clear();
GL_CHECK(glDeleteTextures(1, &textureID));
}
bool Texture::LoadZIM(const char *filename) {
uint8_t *image_data[ZIM_MAX_MIP_LEVELS];
int width[ZIM_MAX_MIP_LEVELS];
int height[ZIM_MAX_MIP_LEVELS];
int flags;
int num_levels = ::LoadZIM(filename, &width[0], &height[0], &flags, &image_data[0]);
if (!num_levels)
return false;
width_ = width[0];
height_ = height[0];
int data_type = GL_UNSIGNED_BYTE;
int colors = GL_RGBA;
int storage = GL_RGBA;
bool compressed = false;
switch (flags & ZIM_FORMAT_MASK) {
case ZIM_RGBA8888:
data_type = GL_UNSIGNED_BYTE;
break;
case ZIM_RGBA4444:
data_type = DXGI_FORMAT_B4G4R4A4_UNORM;
break;
case ZIM_RGB565:
data_type = DXGI_FORMAT_B5G6R5_UNORM;
colors = GL_RGB;
storage = GL_RGB;
break;
case ZIM_ETC1:
compressed = true;
break;
}
GL_CHECK();
//glGenTextures(1, &id_);
//glBindTexture(GL_TEXTURE_2D, id_);
SetTextureParameters(flags);
if (compressed) {
for (int l = 0; l < num_levels; l++) {
int data_w = width[l];
int data_h = height[l];
if (data_w < 4) data_w = 4;
if (data_h < 4) data_h = 4;
#if defined(USING_GLES2)
int compressed_image_bytes = data_w * data_h / 2;
glCompressedTexImage2D(GL_TEXTURE_2D, l, GL_ETC1_RGB8_OES, width[l], height[l], 0, compressed_image_bytes, image_data[l]);
GL_CHECK();
#else
//image_data[l] = ETC1ToRGBA(image_data[l], data_w, data_h);
//glTexImage2D(GL_TEXTURE_2D, l, GL_RGBA, width[l], height[l], 0,
// GL_RGBA, GL_UNSIGNED_BYTE, image_data[l]);
#endif
}
GL_CHECK();
#if !defined(USING_GLES2)
//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, num_levels - 2);
#endif
} else {
for (int l = 0; l < num_levels; l++) {
//glTexImage2D(GL_TEXTURE_2D, l, storage, width[l], height[l], 0,
// colors, data_type, image_data[l]);
}
if (num_levels == 1 && (flags & ZIM_GEN_MIPS)) {
//glGenerateMipmap(GL_TEXTURE_2D);
}
}
SetTextureParameters(flags);
GL_CHECK();
// Only free the top level, since the allocation is used for all of them.
delete [] image_data[0];
return true;
}
// Create a window context
//-----------------------------------------------------------------------------
CPUTResult CPUT_OGL::CPUTCreateWindowAndContext(const cString WindowTitle, CPUTWindowCreationParams windowParams)
{
CPUTResult result = CPUT_SUCCESS;
HEAPCHECK;
// We shouldn't destroy old window if it already exist,
// Framework user should do this by himself to be aware
// of what he is doing.
if( mpWindow )
{
return CPUT_ERROR_WINDOW_ALREADY_EXISTS;
}
result = MakeWindow(WindowTitle, windowParams);
if(CPUTFAILED(result))
{
return result;
}
HEAPCHECK;
// create the GL context
result = CreateOGLContext(windowParams.deviceParams);
if(CPUTFAILED(result))
{
return result;
}
HEAPCHECK;
result = CreateContext();
CPUTRenderStateBlock *pBlock = new CPUTRenderStateBlockOGL();
CPUTRenderStateBlock::SetDefaultRenderStateBlock( pBlock );
cString name = _L("$cbPerFrameValues");
mpPerFrameConstantBuffer = new CPUTBufferOGL(name);
GLuint id = mpPerFrameConstantBuffer->GetBufferID();
#ifndef CPUT_FOR_OGLES2
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, mpPerFrameConstantBuffer->GetBufferID()));
GL_CHECK(glBufferData(GL_UNIFORM_BUFFER, sizeof(CPUTFrameConstantBuffer), NULL, GL_DYNAMIC_DRAW)); // NULL to just init buffer size
DEBUG_PRINT(_L("bind per frame buffer buffer %d\n"), id);
//FIXME: constant buffer binding
GL_CHECK(ES3_COMPAT(glBindBufferBase(GL_UNIFORM_BUFFER, id, id)));
DEBUG_PRINT(_L("completed - bind buffer %d\n"), id);
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, 0));
#else
#warning "Need to do something with uniform buffers here"
#endif
CPUTAssetLibrary::GetAssetLibrary()->AddConstantBuffer(_L(""), name, _L(""), mpPerFrameConstantBuffer);
name = _L("$cbPerModelValues");
mpPerModelConstantBuffer = new CPUTBufferOGL(name, GL_UNIFORM_BUFFER, GL_DYNAMIC_DRAW, sizeof(CPUTModelConstantBuffer), NULL);
id = mpPerModelConstantBuffer->GetBufferID();
#ifndef CPUT_FOR_OGLES2
DEBUG_PRINT(_L("Bind per model values %d"), id);
GL_CHECK(ES3_COMPAT(glBindBufferBase(GL_UNIFORM_BUFFER, id, id)));
DEBUG_PRINT(_L("Completed bind per model values"));
GL_CHECK(glBindBuffer(GL_UNIFORM_BUFFER, 0));
#else
#warning "Need to do something with uniform buffers here"
#endif
CPUTAssetLibrary::GetAssetLibrary()->AddConstantBuffer(_L(""), name, _L(""), mpPerModelConstantBuffer);
name = _L("$cbGUIConstants");
CPUTBuffer* pBuffer = new CPUTBufferOGL(name, GL_UNIFORM_BUFFER, GL_DYNAMIC_DRAW, sizeof(GUIConstants), NULL);
CPUTAssetLibrary::GetAssetLibrary()->AddConstantBuffer(_L(""), name, _L(""), pBuffer);
SAFE_RELEASE(pBuffer);
// Add our programatic (and global) material parameters
CPUTMaterial::mGlobalProperties.AddValue( _L("cbPerFrameValues"), _L("$cbPerFrameValues") );
CPUTMaterial::mGlobalProperties.AddValue( _L("cbPerModelValues"), _L("$cbPerModelValues") );
CPUTMaterial::mGlobalProperties.AddValue( _L("cbGUIValues"), _L("$cbGUIValues") );
HEAPCHECK;
// Trigger a post-create user callback event
Create();
HEAPCHECK;
//
// Start the timer after everything is initialized and assets have been loaded
//
mpTimer->StartTimer();
int x,y,width,height;
mpWindow->GetClientDimensions(&x, &y, &width, &height);
ResizeWindow(width,height);
return result;
}
///////////////////////////////////////////////////////////////////////
//load, compile and set the shaders
void setShaders()
{
char *vs,*fs,*gs;
v = glCreateShader(GL_VERTEX_SHADER);
f = glCreateShader(GL_FRAGMENT_SHADER);
g = glCreateShader(GL_GEOMETRY_SHADER);
vs = textFileRead(const_cast<char *>("./shader03.vert"));
fs = textFileRead(const_cast<char *>("./shader03.frag"));
gs = textFileRead(const_cast<char *>("./shader03.geom"));
const char * ff = fs;
const char * vv = vs;
const char * gg = gs;
glShaderSource(v, 1, &vv,NULL);
glShaderSource(f, 1, &ff,NULL);
glShaderSource(g, 1, &gg,NULL);
free(vs);free(fs);free(gs);
glCompileShader(v);
glCompileShader(f);
glCompileShader(g);
GLint blen = 0;
GLsizei slen = 0;
glGetShaderiv(v, GL_INFO_LOG_LENGTH , &blen);
if (blen > 1)
{
GLchar* compiler_log = (GLchar*)malloc(blen);
glGetShaderInfoLog(v, blen, &slen, compiler_log);
std::cout << "compiler_log vertex shader:\n" << compiler_log << std::endl;
free (compiler_log);
}
blen = 0;
slen = 0;
glGetShaderiv(f, GL_INFO_LOG_LENGTH , &blen);
if (blen > 1)
{
GLchar* compiler_log = (GLchar*)malloc(blen);
glGetShaderInfoLog(f, blen, &slen, compiler_log);
std::cout << "compiler_log fragment shader:\n" << compiler_log << std::endl;
free (compiler_log);
}
blen = 0;
slen = 0;
glGetShaderiv(g, GL_INFO_LOG_LENGTH , &blen);
if (blen > 1)
{
GLchar* compiler_log = (GLchar*)malloc(blen);
glGetShaderInfoLog(g, blen, &slen, compiler_log);
std::cout << "compiler_log geometry shader:\n" << compiler_log << std::endl;
free (compiler_log);
}
p = glCreateProgram();
glAttachShader(p,f);
glAttachShader(p,v);
glAttachShader(p,g);
glLinkProgram(p);
// comment out this line to not use the shader
glUseProgram(p);
GLint loc = glGetUniformLocation(p, "ambientColor");
if (loc != -1)
{
GL_CHECK(glUniform4f(loc, 1.0,0.0,0.0,1.0));
}
loc = glGetUniformLocation(p, "diffuseColor");
if (loc != -1)
{
GL_CHECK(glUniform4f(loc, 1.0,1.0,1.0,1.0));
}
loc = glGetUniformLocation(p, "specularColor");
if (loc != -1)
{
GL_CHECK(glUniform4f(loc, 1.0,1.0,1.0,1.0));
}
loc = glGetUniformLocation(p, "specularExponent");
if (loc != -1)
{
GL_CHECK(glUniform1f(loc, 25.0));
}
}
void PipelineImpl::doRenderPass(Pipeline::RenderPass pass)
{
auto end = tasks[pass].end();
for(auto i = tasks[pass].begin(); i != end; ++i) {
DrawTaskObject dto = i->first;
DrawTaskData dtd = i->second;
// break out if the data isn't fully loaded
if(!dto.mat->shaders || !dto.mesh->buffer || !dto.mesh->buffer->vao)
continue;
// bind the shader and vertex array
GL_CHECK(glUseProgram(dto.mat->shaders->gl_id));
GL_CHECK(glBindVertexArray(dto.mesh->buffer->vao));
// loop over the uniforms. Set aside the modelview matrix if found.
GLint mv_id = -1;
GLuint current_tex = 0;
auto uend = dto.mat->uniforms.end();
for(auto j = dto.mat->uniforms.begin(); j != uend; j++) {
GLuint uid = boost::any_cast<int>(j->pipe_id);
switch(j->type) {
case UniformDef::Texture:
{
Image *img = boost::any_cast<Image*>(j->value);
GL_CHECK(glActiveTexture(GL_TEXTURE0+current_tex));
if(img->tex) {
GL_CHECK(glBindTexture(GL_TEXTURE_2D, img->tex->id));
} else {
GL_CHECK(glBindTexture(GL_TEXTURE_2D, 0));
}
GL_CHECK(glUniform1i(uid, current_tex));
current_tex++;
break;
}
case UniformDef::ModelView:
{
mv_id = uid;
break;
}
case UniformDef::BoneMatrices:
{
size_t mat_count = dtd.transforms.size();
if(mat_count > SENSE_MAX_VTX_BONES)
mat_count = SENSE_MAX_VTX_BONES;
glUniformMatrix4fv(uid, mat_count, GL_FALSE, (GLfloat*)(&(dtd.transforms[0])));
break;
}
case UniformDef::GBufColor:
{
GL_CHECK(glActiveTexture(GL_TEXTURE0+current_tex));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, current_framebuffer->color_id));
GL_CHECK(glUniform1i(uid, current_tex));
current_tex++;
break;
}
case UniformDef::GBufNormal:
{
GL_CHECK(glActiveTexture(GL_TEXTURE0+current_tex));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, current_framebuffer->normal_id));
GL_CHECK(glUniform1i(uid, current_tex));
current_tex++;
break;
}
case UniformDef::GBufMatProp:
{
GL_CHECK(glActiveTexture(GL_TEXTURE0+current_tex));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, current_framebuffer->matprop_id));
GL_CHECK(glUniform1i(uid, current_tex));
current_tex++;
break;
}
case UniformDef::DepthInfo:
case UniformDef::LightColor:
case UniformDef::LightPosition:
case UniformDef::LightRadius:
case UniformDef::Projection:
case UniformDef::Webview:
default:
throw std::runtime_error("Tried to use unimplemenented uniform type");
}
}
GL_CHECK(glValidateProgram(dto.mat->shaders->gl_id));
GLint status;
GL_CHECK(glGetProgramiv(dto.mat->shaders->gl_id, GL_VALIDATE_STATUS, &status));
if(status == GL_FALSE) {
int info_log_length;
GL_CHECK(glGetShaderiv(dto.mat->shaders->gl_id, GL_INFO_LOG_LENGTH, &info_log_length));
char *log = new char[info_log_length];
GL_CHECK(glGetShaderInfoLog(dto.mat->shaders->gl_id, info_log_length, &info_log_length, log));
std::string infolog = log;
delete[] log;
throw std::runtime_error("Error validating shader: " + infolog);
}
if(mv_id != -1) {
// we have a model-view matrix array handle. We need to draw one or more instance passes now.
size_t cur_transform = 0;
size_t remaining_mvs = dtd.transforms.size();
do {
size_t batch_size = remaining_mvs <= SENSE_MAX_INSTANCES ? remaining_mvs : SENSE_MAX_INSTANCES;
GLfloat* data_ptr = (GLfloat*)&dtd.transforms[cur_transform];
GL_CHECK(glUniformMatrix4fv(mv_id, batch_size, GL_FALSE, data_ptr));
if(dto.mesh->index_data) {
GL_CHECK(glDrawElementsInstanced(GL_TRIANGLES, dto.mesh->index_count, dto.mesh->buffer->idx_type, 0, batch_size));
} else {
GL_CHECK(glDrawArraysInstanced(GL_TRIANGLES, 0, dto.mesh->data_size / dto.mesh->data_stride, batch_size));
}
cur_transform += batch_size;
remaining_mvs -= batch_size;
} while (remaining_mvs);
} else {
if(dto.mesh->index_data) {
GL_CHECK(glDrawElements(GL_TRIANGLES, dto.mesh->index_count, dto.mesh->buffer->idx_type, 0));
} else {
GL_CHECK(glDrawArrays(GL_TRIANGLES, 0, dto.mesh->data_size / dto.mesh->data_stride));
}
}
}
}
bool Texture::LoadZIM(const char *filename) {
uint8_t *image_data[ZIM_MAX_MIP_LEVELS];
int width[ZIM_MAX_MIP_LEVELS];
int height[ZIM_MAX_MIP_LEVELS];
int flags;
int num_levels = ::LoadZIM(filename, &width[0], &height[0], &flags, &image_data[0]);
if (!num_levels)
return false;
if (num_levels >= ZIM_MAX_MIP_LEVELS)
return false;
width_ = width[0];
height_ = height[0];
int data_type = GL_UNSIGNED_BYTE;
int colors = GL_RGBA;
int storage = GL_RGBA;
bool compressed = false;
switch (flags & ZIM_FORMAT_MASK) {
case ZIM_RGBA8888:
data_type = GL_UNSIGNED_BYTE;
break;
case ZIM_RGBA4444:
data_type = GL_UNSIGNED_SHORT_4_4_4_4;
break;
case ZIM_RGB565:
data_type = GL_UNSIGNED_SHORT_5_6_5;
colors = GL_RGB;
storage = GL_RGB;
break;
case ZIM_ETC1:
compressed = true;
break;
}
GL_CHECK();
glGenTextures(1, &id_);
glBindTexture(GL_TEXTURE_2D, id_);
SetTextureParameters(flags);
if (compressed) {
for (int l = 0; l < num_levels; l++) {
int data_w = width[l];
int data_h = height[l];
if (data_w < 4) data_w = 4;
if (data_h < 4) data_h = 4;
#if defined(USING_GLES2) && !defined(IOS)
int compressed_image_bytes = data_w * data_h / 2;
glCompressedTexImage2D(GL_TEXTURE_2D, l, GL_ETC1_RGB8_OES, width[l], height[l], 0, compressed_image_bytes, image_data[l]);
GL_CHECK();
#else
// TODO: OpenGL 4.3+ accepts ETC1 so we should not have to do this anymore on those cards.
// Also, iOS does not have support for ETC1 compressed textures so we just decompress.
// TODO: Use PVR texture compression on iOS.
image_data[l] = ETC1ToRGBA(image_data[l], data_w, data_h);
glTexImage2D(GL_TEXTURE_2D, l, GL_RGBA, width[l], height[l], 0,
GL_RGBA, GL_UNSIGNED_BYTE, image_data[l]);
#endif
}
GL_CHECK();
#if !defined(USING_GLES2)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, num_levels - 2);
#endif
} else {
for (int l = 0; l < num_levels; l++) {
glTexImage2D(GL_TEXTURE_2D, l, storage, width[l], height[l], 0,
colors, data_type, image_data[l]);
}
if (num_levels == 1 && (flags & ZIM_GEN_MIPS)) {
if(gl_extensions.FBO_ARB) {
glGenerateMipmap(GL_TEXTURE_2D);
}else{
#ifndef USING_GLES2
glGenerateMipmapEXT(GL_TEXTURE_2D);
#endif
}
}
}
SetTextureParameters(flags);
GL_CHECK();
// Only free the top level, since the allocation is used for all of them.
free(image_data[0]);
return true;
}
RenderTarget* Pipeline::createRenderTarget(uint32_t width, uint32_t height, bool mipmap)
{
GLuint texids[5];
GLuint fboids[2];
glGenFramebuffers(2, fboids);
glGenTextures(5, texids);
RenderTarget rt;
rt.depth_id = texids[0];
rt.color_id = texids[1];
rt.normal_id = texids[2];
rt.matprop_id = texids[3];
rt.lighting_id = texids[4];
rt.lbuffer_id = fboids[0];
rt.gbuffer_id = fboids[1];
rt.build_mips = mipmap;
rt.dirty = true;
rt.width = width;
rt.height = height;
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, rt.lbuffer_id));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, rt.lighting_id));
GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, self->cur_fsaa, GL_RGBA16F, width, height, GL_FALSE));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, rt.depth_id));
GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, self->cur_fsaa, GL_DEPTH24_STENCIL8, width, height, GL_FALSE));
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, rt.lighting_id, 0));
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D_MULTISAMPLE, rt.depth_id, 0));
GL_CHECK(glViewport(0, 0, width, height));
FBO_CHECK;
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, rt.gbuffer_id));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, rt.color_id));
GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, self->cur_fsaa, GL_RGBA8, width, height, GL_FALSE));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, rt.normal_id));
GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, self->cur_fsaa, GL_RGBA8, width, height, GL_FALSE));
GL_CHECK(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, rt.matprop_id));
GL_CHECK(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, self->cur_fsaa, GL_RG16F, width, height, GL_FALSE));
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, rt.color_id, 0));
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D_MULTISAMPLE, rt.normal_id, 0));
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, GL_TEXTURE_2D_MULTISAMPLE, rt.matprop_id, 0));
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D_MULTISAMPLE, rt.depth_id, 0));
GL_CHECK(glViewport(0, 0, width, height));
GL_CHECK(glDrawBuffers(3, buffers));
FBO_CHECK;
RenderTarget* result = new RenderTarget;
*result = rt;
return result;
}
void Lightmap::render(const Falltergeist::Point &pos)
{
if (_indexes<=0) return;
GL_CHECK(glBlendFunc(GL_DST_COLOR, GL_SRC_COLOR));
auto shader = ResourceManager::getInstance()->shader("lightmap");
GL_CHECK(shader->use());
GL_CHECK(shader->setUniform(_uniformMVP, Game::getInstance()->renderer()->getMVP()));
// set camera offset
GL_CHECK(shader->setUniform(_uniformOffset, glm::vec2((float)pos.x(), (float)pos.y()) ));
GL_CHECK(shader->setUniform(_uniformFade,Game::getInstance()->renderer()->fadeColor()));
GL_CHECK(glBindVertexArray(_vao));
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, _coords));
GL_CHECK(glVertexAttribPointer(_attribPos, 2, GL_FLOAT, GL_FALSE, 0, (void*)0 ));
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, _lights));
GL_CHECK(glVertexAttribPointer(_attribLights, 1, GL_FLOAT, GL_FALSE, 0, (void*)0 ));
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _ebo));
GL_CHECK(glEnableVertexAttribArray(_attribPos));
GL_CHECK(glEnableVertexAttribArray(_attribLights));
GL_CHECK(glDrawElements(GL_TRIANGLES, _indexes, GL_UNSIGNED_INT, 0 ));
GL_CHECK(glDisableVertexAttribArray(_attribPos));
GL_CHECK(glDisableVertexAttribArray(_attribLights));
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0));
GL_CHECK(glBindVertexArray(0));
GL_CHECK(shader->unuse());
GL_CHECK(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
}
Lightmap::Lightmap(std::vector<glm::vec2> coords,std::vector<GLuint> indexes)
{
GL_CHECK(glGenVertexArrays(1, &_vao));
GL_CHECK(glBindVertexArray(_vao));
// generate VBOs for verts and tex
GL_CHECK(glGenBuffers(1, &_coords));
GL_CHECK(glGenBuffers(1, &_lights));
GL_CHECK(glGenBuffers(1, &_ebo));
if (coords.size()<=0) return;
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, _coords));
//update coords
GL_CHECK(glBufferData(GL_ARRAY_BUFFER, coords.size() * sizeof(glm::vec2), &coords[0], GL_STATIC_DRAW));
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, _lights));
//update texcoords
// GL_CHECK(glBufferData(GL_ARRAY_BUFFER, textureCoords.size() * sizeof(glm::vec2), &textureCoords[0], GL_STATIC_DRAW));
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, _ebo));
// update indexes
GL_CHECK(glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexes.size() * sizeof(GLuint), &indexes[0], GL_DYNAMIC_DRAW));
_indexes = indexes.size();
GL_CHECK(glBindVertexArray(0));
auto shader = ResourceManager::getInstance()->shader("lightmap");
_uniformFade = shader->getUniform("fade");
_uniformMVP = shader->getUniform("MVP");
_uniformOffset = shader->getUniform("offset");
_attribPos = shader->getAttrib("Position");
_attribLights = shader->getAttrib("lights");
}
void Renderer::clear() const
{
GL_CHECK(glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT));
}
int
main(int argc, char *argv[])
{
int fsaa, accel;
int value;
int i, done;
SDL_DisplayMode mode;
SDL_Event event;
Uint32 then, now, frames;
int status;
shader_data *datas, *data;
/* Initialize parameters */
fsaa = 0;
accel = 0;
/* Initialize test framework */
state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
if (!state) {
return 1;
}
for (i = 1; i < argc;) {
int consumed;
consumed = SDLTest_CommonArg(state, i);
if (consumed == 0) {
if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
++fsaa;
consumed = 1;
} else if (SDL_strcasecmp(argv[i], "--accel") == 0) {
++accel;
consumed = 1;
} else if (SDL_strcasecmp(argv[i], "--zdepth") == 0) {
i++;
if (!argv[i]) {
consumed = -1;
} else {
depth = SDL_atoi(argv[i]);
consumed = 1;
}
} else {
consumed = -1;
}
}
if (consumed < 0) {
SDL_Log ("Usage: %s %s [--fsaa] [--accel] [--zdepth %%d]\n", argv[0],
SDLTest_CommonUsage(state));
quit(1);
}
i += consumed;
}
/* Set OpenGL parameters */
state->window_flags |= SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_BORDERLESS;
state->gl_red_size = 5;
state->gl_green_size = 5;
state->gl_blue_size = 5;
state->gl_depth_size = depth;
state->gl_major_version = 2;
state->gl_minor_version = 0;
state->gl_profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
if (fsaa) {
state->gl_multisamplebuffers=1;
state->gl_multisamplesamples=fsaa;
}
if (accel) {
state->gl_accelerated=1;
}
if (!SDLTest_CommonInit(state)) {
quit(2);
return 0;
}
context = SDL_calloc(state->num_windows, sizeof(context));
if (context == NULL) {
SDL_Log("Out of memory!\n");
quit(2);
}
/* Create OpenGL ES contexts */
for (i = 0; i < state->num_windows; i++) {
context[i] = SDL_GL_CreateContext(state->windows[i]);
if (!context[i]) {
SDL_Log("SDL_GL_CreateContext(): %s\n", SDL_GetError());
quit(2);
}
}
/* Important: call this *after* creating the context */
if (LoadContext(&ctx) < 0) {
SDL_Log("Could not load GLES2 functions\n");
quit(2);
return 0;
}
if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
SDL_GL_SetSwapInterval(1);
} else {
SDL_GL_SetSwapInterval(0);
}
SDL_GetCurrentDisplayMode(0, &mode);
SDL_Log("Screen bpp: %d\n", SDL_BITSPERPIXEL(mode.format));
SDL_Log("\n");
SDL_Log("Vendor : %s\n", ctx.glGetString(GL_VENDOR));
SDL_Log("Renderer : %s\n", ctx.glGetString(GL_RENDERER));
SDL_Log("Version : %s\n", ctx.glGetString(GL_VERSION));
SDL_Log("Extensions : %s\n", ctx.glGetString(GL_EXTENSIONS));
SDL_Log("\n");
status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
if (!status) {
SDL_Log("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
} else {
SDL_Log( "Failed to get SDL_GL_RED_SIZE: %s\n",
SDL_GetError());
}
status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
if (!status) {
SDL_Log("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
} else {
SDL_Log( "Failed to get SDL_GL_GREEN_SIZE: %s\n",
SDL_GetError());
}
status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
if (!status) {
SDL_Log("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
} else {
SDL_Log( "Failed to get SDL_GL_BLUE_SIZE: %s\n",
SDL_GetError());
}
status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
if (!status) {
SDL_Log("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", depth, value);
} else {
SDL_Log( "Failed to get SDL_GL_DEPTH_SIZE: %s\n",
SDL_GetError());
}
if (fsaa) {
status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
if (!status) {
SDL_Log("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
} else {
SDL_Log( "Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n",
SDL_GetError());
}
status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
if (!status) {
SDL_Log("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
value);
} else {
SDL_Log( "Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n",
SDL_GetError());
}
}
if (accel) {
status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
if (!status) {
SDL_Log("SDL_GL_ACCELERATED_VISUAL: requested 1, got %d\n", value);
} else {
SDL_Log( "Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
SDL_GetError());
}
}
datas = SDL_calloc(state->num_windows, sizeof(shader_data));
/* Set rendering settings for each context */
for (i = 0; i < state->num_windows; ++i) {
status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
if (status) {
SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
/* Continue for next window */
continue;
}
ctx.glViewport(0, 0, state->window_w, state->window_h);
data = &datas[i];
data->angle_x = 0; data->angle_y = 0; data->angle_z = 0;
/* Shader Initialization */
process_shader(&data->shader_vert, _shader_vert_src, GL_VERTEX_SHADER);
process_shader(&data->shader_frag, _shader_frag_src, GL_FRAGMENT_SHADER);
/* Create shader_program (ready to attach shaders) */
data->shader_program = GL_CHECK(ctx.glCreateProgram());
/* Attach shaders and link shader_program */
GL_CHECK(ctx.glAttachShader(data->shader_program, data->shader_vert));
GL_CHECK(ctx.glAttachShader(data->shader_program, data->shader_frag));
GL_CHECK(ctx.glLinkProgram(data->shader_program));
/* Get attribute locations of non-fixed attributes like color and texture coordinates. */
data->attr_position = GL_CHECK(ctx.glGetAttribLocation(data->shader_program, "av4position"));
data->attr_color = GL_CHECK(ctx.glGetAttribLocation(data->shader_program, "av3color"));
/* Get uniform locations */
data->attr_mvp = GL_CHECK(ctx.glGetUniformLocation(data->shader_program, "mvp"));
GL_CHECK(ctx.glUseProgram(data->shader_program));
/* Enable attributes for position, color and texture coordinates etc. */
GL_CHECK(ctx.glEnableVertexAttribArray(data->attr_position));
GL_CHECK(ctx.glEnableVertexAttribArray(data->attr_color));
/* Populate attributes for position, color and texture coordinates etc. */
GL_CHECK(ctx.glVertexAttribPointer(data->attr_position, 3, GL_FLOAT, GL_FALSE, 0, _vertices));
GL_CHECK(ctx.glVertexAttribPointer(data->attr_color, 3, GL_FLOAT, GL_FALSE, 0, _colors));
GL_CHECK(ctx.glEnable(GL_CULL_FACE));
GL_CHECK(ctx.glEnable(GL_DEPTH_TEST));
}
/* Main render loop */
frames = 0;
then = SDL_GetTicks();
done = 0;
while (!done) {
/* Check for events */
++frames;
while (SDL_PollEvent(&event) && !done) {
switch (event.type) {
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_RESIZED:
for (i = 0; i < state->num_windows; ++i) {
if (event.window.windowID == SDL_GetWindowID(state->windows[i])) {
status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
if (status) {
SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
break;
}
/* Change view port to the new window dimensions */
ctx.glViewport(0, 0, event.window.data1, event.window.data2);
/* Update window content */
Render(event.window.data1, event.window.data2, &datas[i]);
SDL_GL_SwapWindow(state->windows[i]);
break;
}
}
break;
}
}
SDLTest_CommonEvent(state, &event, &done);
}
if (!done) {
for (i = 0; i < state->num_windows; ++i) {
status = SDL_GL_MakeCurrent(state->windows[i], context[i]);
if (status) {
SDL_Log("SDL_GL_MakeCurrent(): %s\n", SDL_GetError());
/* Continue for next window */
continue;
}
Render(state->window_w, state->window_h, &datas[i]);
SDL_GL_SwapWindow(state->windows[i]);
}
}
}
/* Print out some timing information */
now = SDL_GetTicks();
if (now > then) {
SDL_Log("%2.2f frames per second\n",
((double) frames * 1000) / (now - then));
}
#if !defined(__ANDROID__)
quit(0);
#endif
return 0;
}
void Text::draw(void)
{
GL_CHECK(glBindVertexArray(0));
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0));
if(numberOfCharacters == 0)
{
return;
}
GL_CHECK(glUseProgram(programID));
if(m_iLocPosition != -1)
{
GL_CHECK(glEnableVertexAttribArray(m_iLocPosition));
GL_CHECK(glVertexAttribPointer(m_iLocPosition, 3, GL_FLOAT, GL_FALSE, 0, textVertex));
}
if(m_iLocTextColor != -1)
{
GL_CHECK(glEnableVertexAttribArray(m_iLocTextColor));
GL_CHECK(glVertexAttribPointer(m_iLocTextColor, 4, GL_FLOAT, GL_FALSE, 0, color));
}
if(m_iLocTexCoord != -1)
{
GL_CHECK(glEnableVertexAttribArray(m_iLocTexCoord));
GL_CHECK(glVertexAttribPointer(m_iLocTexCoord, 2, GL_FLOAT, GL_FALSE, 0, textTextureCoordinates));
}
if(m_iLocProjection != -1)
{
GL_CHECK(glUniformMatrix4fv(m_iLocProjection, 1, GL_FALSE, projectionMatrix.getAsArray()));
}
GL_CHECK(glActiveTexture(GL_TEXTURE0));
GL_CHECK(glBindTexture(GL_TEXTURE_2D, textureID));
GL_CHECK(glDrawElements(GL_TRIANGLE_STRIP, numberOfCharacters * 6 - 2, GL_UNSIGNED_SHORT, textIndex));
if(m_iLocTextColor != -1)
{
GL_CHECK(glDisableVertexAttribArray(m_iLocTextColor));
}
if(m_iLocTexCoord != -1)
{
GL_CHECK(glDisableVertexAttribArray(m_iLocTexCoord));
}
if(m_iLocPosition != -1)
{
GL_CHECK(glDisableVertexAttribArray(m_iLocPosition));
}
}
void Movie::render(int x, int y)
{
std::vector<glm::vec2> vertices;
std::vector<glm::vec2> UV;
int width = 640;
int height = 320;
glm::vec2 vertex_up_left = glm::vec2( (float)x, (float)y);
glm::vec2 vertex_up_right = glm::vec2( (float)(x+width), (float)y);
glm::vec2 vertex_down_right = glm::vec2( (float)(x+width), (float)(y+height));
glm::vec2 vertex_down_left = glm::vec2( (float)x, (float)(y+height));
vertices.push_back(vertex_up_left );
vertices.push_back(vertex_down_left );
vertices.push_back(vertex_up_right );
vertices.push_back(vertex_down_right);
glm::vec2 uv_up_left = glm::vec2( 0.0, 0.0 );
glm::vec2 uv_up_right = glm::vec2( (float)_texture->width()/(float)_texture->textureWidth(), 0.0 );
glm::vec2 uv_down_right = glm::vec2( (float)_texture->width()/(float)_texture->textureWidth(), (float)_texture->height()/(float)_texture->textureHeight() );
glm::vec2 uv_down_left = glm::vec2( 0.0, (float)_texture->height()/(float)_texture->textureHeight() );
UV.push_back(uv_up_left );
UV.push_back(uv_down_left );
UV.push_back(uv_up_right );
UV.push_back(uv_down_right);
// TODO: different shader
GL_CHECK(ResourceManager::getInstance()->shader("sprite")->use());
GL_CHECK(_texture->bind(0));
GL_CHECK(ResourceManager::getInstance()->shader("sprite")->setUniform("tex",0));
GL_CHECK(ResourceManager::getInstance()->shader("sprite")->setUniform("fade",Game::getInstance()->renderer()->fadeColor()));
GL_CHECK(ResourceManager::getInstance()->shader("sprite")->setUniform("MVP", Game::getInstance()->renderer()->getMVP()));
if (Game::getInstance()->renderer()->renderPath() == Renderer::RenderPath::OGL32)
{
GLint curvao;
glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &curvao);
GLint vao = Game::getInstance()->renderer()->getVAO();
if (curvao != vao)
{
GL_CHECK(glBindVertexArray(vao));
}
}
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, Game::getInstance()->renderer()->getVVBO()));
GL_CHECK(glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(glm::vec2), &vertices[0], GL_DYNAMIC_DRAW));
GL_CHECK(glVertexAttribPointer(ResourceManager::getInstance()->shader("sprite")->getAttrib("Position"), 2, GL_FLOAT, GL_FALSE, 0, (void*)0 ));
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, Game::getInstance()->renderer()->getTVBO()));
GL_CHECK(glBufferData(GL_ARRAY_BUFFER, UV.size() * sizeof(glm::vec2), &UV[0], GL_DYNAMIC_DRAW));
GL_CHECK(glVertexAttribPointer(ResourceManager::getInstance()->shader("sprite")->getAttrib("TexCoord"), 2, GL_FLOAT, GL_FALSE, 0, (void*)0 ));
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, Game::getInstance()->renderer()->getEBO()));
GL_CHECK(glEnableVertexAttribArray(ResourceManager::getInstance()->shader("sprite")->getAttrib("Position")));
GL_CHECK(glEnableVertexAttribArray(ResourceManager::getInstance()->shader("sprite")->getAttrib("TexCoord")));
GL_CHECK(glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, 0 ));
GL_CHECK(glDisableVertexAttribArray(ResourceManager::getInstance()->shader("sprite")->getAttrib("Position")));
GL_CHECK(glDisableVertexAttribArray(ResourceManager::getInstance()->shader("sprite")->getAttrib("TexCoord")));
// GL_CHECK(glBindVertexArray(0));
}
Text::Text(const char* vertexShaderFileName,
const char* fragmentShaderFileName,
const char* textureFileName,
int windowWidth,
int windowHeight)
{
vertexShaderID = 0;
fragmentShaderID = 0;
programID = 0;
numberOfCharacters = 0;
textVertex = NULL;
textTextureCoordinates = NULL;
color = NULL;
textIndex = NULL;
/* Create an orthographic projection. */
projectionMatrix = Matrix::matrixOrthographic(0, (float)windowWidth, 0, (float)windowHeight, 0, 1);
/* Shaders. */
Shader::processShader(&vertexShaderID, vertexShaderFileName, GL_VERTEX_SHADER);
Shader::processShader(&fragmentShaderID, fragmentShaderFileName, GL_FRAGMENT_SHADER);
/* Set up shaders. */
programID = GL_CHECK(glCreateProgram());
GL_CHECK(glAttachShader(programID, vertexShaderID));
GL_CHECK(glAttachShader(programID, fragmentShaderID));
GL_CHECK(glLinkProgram(programID));
GL_CHECK(glUseProgram(programID));
/* Vertex positions. */
m_iLocPosition = GL_CHECK(glGetAttribLocation(programID, "a_v4Position"));
/* Text colors. */
m_iLocTextColor = GL_CHECK(glGetAttribLocation(programID, "a_v4FontColor"));
/* TexCoords. */
m_iLocTexCoord = GL_CHECK(glGetAttribLocation(programID, "a_v2TexCoord"));
/* Projection matrix. */
m_iLocProjection = GL_CHECK(glGetUniformLocation(programID, "u_m4Projection"));
/* Set the sampler to point at the 0th texture unit. */
m_iLocTexture = GL_CHECK(glGetUniformLocation(programID, "u_s2dTexture"));
ASSERT(m_iLocPosition != -1, "Attribute not found: a_v4Position");
ASSERT(m_iLocTextColor != -1, "Attribute not found: a_v4FontColor");
ASSERT(m_iLocTexCoord != -1, "Attribute not found: a_v2TexCoord");
ASSERT(m_iLocProjection != -1, "Uniform not found: u_m4Projection");
ASSERT(m_iLocTexture != -1, "Uniform not found: u_s2dTexture");
GL_CHECK(glUniformMatrix4fv(m_iLocProjection, 1, GL_FALSE, projectionMatrix.getAsArray()));
GL_CHECK(glUniform1i (m_iLocTexture, 1));
/* Load texture. */
GL_CHECK(glActiveTexture(GL_TEXTURE1));
GL_CHECK(glGenTextures (1, &textureID));
GL_CHECK(glBindTexture (GL_TEXTURE_2D, textureID));
/* Set filtering. */
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
unsigned char *textureData = NULL;
Texture::loadData(textureFileName, &textureData);
GL_CHECK(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, 48, 0, GL_RGBA, GL_UNSIGNED_BYTE, textureData));
free(textureData);
textureData = NULL;
}
void MeshRenderer::RenderInstanced(int count) {
GL_CHECK( glBindVertexArray(VAO) );
GL_CHECK( glDrawElementsInstanced(GL_TRIANGLES, elementsCount, GL_UNSIGNED_INT, nullptr, count) );
GL_CHECK( glBindVertexArray(0) );
}
void
shader_delete_shader(unsigned int shader)
{
GL_CHECK(glDeleteShader, shader);
}
void MeshRenderer::Init(Mesh* mesh) {
this->owner = mesh;
// Copy data to graphics card
GL_CHECK( glGenBuffers(1, &VBO) );
GL_CHECK( glBindBuffer(GL_ARRAY_BUFFER, VBO) );
GL_CHECK( glBufferData(GL_ARRAY_BUFFER, mesh->vertices.size() * sizeof(VboEntry), nullptr, GL_STATIC_DRAW) );
for (size_t i = 0; i < mesh->vertices.size(); ++i) {
GL_CHECK( glBufferSubData(GL_ARRAY_BUFFER, i * sizeof(VboEntry) + offsetof(VboEntry, pos) , sizeof(glm::vec3), &mesh->vertices [i]) );
GL_CHECK( glBufferSubData(GL_ARRAY_BUFFER, i * sizeof(VboEntry) + offsetof(VboEntry, normal) , sizeof(glm::vec3), &mesh->normals [i]) );
GL_CHECK( glBufferSubData(GL_ARRAY_BUFFER, i * sizeof(VboEntry) + offsetof(VboEntry, texcoord), sizeof(glm::vec2), &mesh->texCoords[i]) );
}
// setup vbo for index buffer
GL_CHECK( glGenBuffers(1, &EBO) );
GL_CHECK( glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO) );
GL_CHECK( glBufferData(GL_ELEMENT_ARRAY_BUFFER, mesh->faces.size()*sizeof(glm::ivec3), &mesh->faces[0].x, GL_STATIC_DRAW) );
// setup VAO
// Narozdil od VBO neukladaji data o vrcholech (pozice, normala, ...), ale ukladaji reference na VBO a nastaveni atributu.
// VAO usnadnuji a urychluji vykreslovani. Pro vykresleni staci aktivovat VAO a ten si pamatuje veskere nastaveni.
// subsequent calls that change the vertex array state (glBindBuffer, glVertexAttribPointer, glEnableVertexAttribArray, and glDisableVertexAttribArray) will affect the new VAO.
GL_CHECK( glGenVertexArrays(1, &VAO) ); // TODO UBO pro kazdy mesh?
GL_CHECK( glBindVertexArray(VAO) );
GL_CHECK( glBindBuffer(GL_ARRAY_BUFFER, VBO) );
GL_CHECK( glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO) );
// setup vertex shader attribute bindings (connecting current <position and tc> buffer to associated 'in' variable in vertex shader)
GL_CHECK( glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(VboEntry), (const GLvoid*)offsetof(VboEntry, pos )) );
GL_CHECK( glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(VboEntry), (const GLvoid*)offsetof(VboEntry, normal )) );
GL_CHECK( glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(VboEntry), (const GLvoid*)offsetof(VboEntry, texcoord)) );
// enable vertex buffers
GL_CHECK( glEnableVertexAttribArray(0) );
GL_CHECK( glEnableVertexAttribArray(1) );
GL_CHECK( glEnableVertexAttribArray(2) );
// unbind VAO
GL_CHECK( glBindVertexArray(0) );
elementsCount = mesh->faces.size() * 3;
}
void
shader_delete_program(unsigned int program)
{
GL_CHECK(glDeleteProgram, program);
}
void MeshRenderer::Render() {
GL_CHECK( glBindVertexArray(VAO) );
GL_CHECK( glDrawElements(GL_TRIANGLES, elementsCount, GL_UNSIGNED_INT, nullptr) );
GL_CHECK( glBindVertexArray(0) );
}
void Vao::unbind() const {
GL_CHECK(glBindVertexArray(0));
}
Shader::~Shader()
{
GL_CHECK(glDeleteShader(_gl_shader));
}
// Not supported in ES
void AddVertexIPointer(GLint index, GLint count, GLenum type, GLint stride, void * offset)
{
GL_CHECK(glEnableVertexAttribArray(index));
GL_CHECK(glVertexAttribIPointer(index, count, type, stride, offset));
}
//! Load into video memory
void OpenGLTexture::GraphicLoad()
{
if(m_GLTextureID)
{
SHOOT_WARNING(false, "Texture '%s' video data already loaded", m_strPath.c_str());
return;
}
if(!m_pData)
{
SHOOT_ASSERT(false, "Texture '%s' disk data not available", m_strPath.c_str());
return;
}
GL_CHECK(glEnable(GL_TEXTURE_2D));
GL_CHECK(glGenTextures(1, &m_GLTextureID));
GL_CHECK(glBindTexture(GL_TEXTURE_2D, m_GLTextureID)); // 2d texture (x and y size)
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
if(m_bMipMaps)
{
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST));
GL_CHECK(glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE));
}
else
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
Size size((s32)m_vSize.X, (s32)m_vSize.Y);
Size hwSize((s32)m_vHardwareSize.X, (s32)m_vHardwareSize.Y);
if((size != hwSize))
{
u8* pOldData = static_cast<u8*>(m_pData);
u8* pNewData = snew u8[hwSize.Width * hwSize.Height * m_bpp];
memset(pNewData, 0, hwSize.Width * hwSize.Height * m_bpp);
for(s32 row=0; row<size.Height; ++row)
{
memcpy(pNewData+row*hwSize.Width*m_bpp, pOldData+row*size.Width*m_bpp, size.Width*m_bpp);
}
sdelete_array(pOldData);
m_pData = pNewData;
}
// Load texture into video memory
switch(m_eFormat)
{
case TF_RGB:
GL_CHECK(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, hwSize.Width, hwSize.Height, 0, GL_RGB, (m_bpp == 2) ? GL_UNSIGNED_SHORT_5_6_5 : GL_UNSIGNED_BYTE, m_pData));
break;
case TF_RGBA:
GL_CHECK(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, hwSize.Width, hwSize.Height, 0, GL_RGBA, (m_bpp == 2) ? GL_UNSIGNED_SHORT_4_4_4_4 : GL_UNSIGNED_BYTE, m_pData));
break;
}
m_MemorySize = hwSize.Width*hwSize.Height*m_bpp;
u8* pData = static_cast<u8*>(m_pData);
sdelete_array(pData);
m_pData = NULL;
}
void Disable()
{
GL_CHECK(glBindVertexArray(0));
GL_CHECK(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, 0));
}
CPUTBufferOGL::CPUTBufferOGL(cString name) :
CPUTBuffer(name)
{
GL_CHECK(glGenBuffers(1, &mBuffer));
}