void
Canvas::text_transparent(PixelScalar x, PixelScalar y, const TCHAR *text)
{
assert(text != NULL);
assert(ValidateUTF8(text));
#ifdef HAVE_GLES
assert(x_offset == OpenGL::translate_x);
assert(y_offset == OpenGL::translate_y);
#endif
if (font == NULL)
return;
GLTexture *texture = TextCache::Get(font, text);
if (texture == NULL)
return;
GLEnable scope(GL_TEXTURE_2D);
texture->Bind();
GLLogicOp logic_op(GL_AND_INVERTED);
/* cut out the shape in black */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
texture->Draw(x, y);
if (text_color != COLOR_BLACK) {
/* draw the text color on top */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
logic_op.set(GL_OR);
text_color.Set();
texture->Draw(x, y);
}
}
void
Canvas::DrawText(int x, int y, const TCHAR *text)
{
assert(text != nullptr);
assert(ValidateUTF8(text));
#ifdef HAVE_GLES
assert(offset == OpenGL::translate);
#endif
if (font == nullptr)
return;
GLTexture *texture = TextCache::Get(*font, text);
if (texture == nullptr)
return;
if (background_mode == OPAQUE)
DrawFilledRectangle(x, y,
x + texture->GetWidth(), y + texture->GetHeight(),
background_color);
PrepareColoredAlphaTexture(text_color);
#ifndef USE_GLSL
GLEnable scope(GL_TEXTURE_2D);
#endif
const GLBlend blend(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
texture->Bind();
texture->Draw(x, y);
}
bool GLVideo::BeginTargetScene(const Color& dwBGColor, const bool clear)
{
// explicit static cast for better performance
TexturePtr texturePtr = m_currentTarget.lock();
if (!texturePtr)
{
Message(GS_L("There's no render target"), GSMT_ERROR);
}
Texture *pTexture = texturePtr.get(); // safety compile-time error checking
GLTexture *pGLTexture = static_cast<GLTexture*>(pTexture); // safer direct cast
const GLuint target = pGLTexture->GetTextureInfo().m_frameBuffer;
glBindFramebuffer(GL_FRAMEBUFFER, target);
CheckFrameBufferStatus(target, pGLTexture->GetTextureInfo().m_texture, false);
if (clear)
{
math::Vector4 color;
color.SetColor(dwBGColor);
glClearColor(color.x, color.y, color.z, color.w);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
UpdateInternalShadersViewData(GetScreenSizeF(), true);
m_rendering = true;
return true;
}
void GLBackend::setResourceTexture(unsigned int slot, const TexturePointer& resourceTexture) {
// check cache before thinking
if (_resource._textures[slot] == resourceTexture) {
return;
}
// One more True texture bound
_stats._RSNumTextureBounded++;
// Always make sure the GLObject is in sync
GLTexture* object = syncGPUObject(resourceTexture);
if (object) {
GLuint to = object->_texture;
GLuint target = object->_target;
glActiveTexture(GL_TEXTURE0 + slot);
glBindTexture(target, to);
(void)CHECK_GL_ERROR();
_resource._textures[slot] = resourceTexture;
_stats._RSAmountTextureMemoryBounded += (int)object->size();
} else {
releaseResourceTexture(slot);
return;
}
}
void
Canvas::DrawTransparentText(int x, int y, const TCHAR *text)
{
assert(text != nullptr);
assert(ValidateUTF8(text));
#ifdef HAVE_GLES
assert(offset == OpenGL::translate);
#endif
if (font == nullptr)
return;
GLTexture *texture = TextCache::Get(*font, text);
if (texture == nullptr)
return;
PrepareColoredAlphaTexture(text_color);
#ifndef USE_GLSL
GLEnable scope(GL_TEXTURE_2D);
#endif
const GLBlend blend(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
texture->Bind();
texture->Draw(x, y);
}
BitmapPtr BmpTextureMover::moveTextureToBmp(GLTexture& tex, int mipmapLevel)
{
GLContext* pContext = GLContext::getCurrent();
unsigned fbo = pContext->genFBO();
glproc::BindFramebuffer(GL_FRAMEBUFFER, fbo);
glproc::FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
tex.getID(), mipmapLevel);
FBO::checkError("BmpTextureMover::moveTextureToBmp");
IntPoint size = tex.getMipmapSize(mipmapLevel);
BitmapPtr pBmp(new Bitmap(size, getPF()));
if (GLContext::getMain()->isGLES() && getPF() == B5G6R5) {
BitmapPtr pTmpBmp(new Bitmap(size, R8G8B8));
glReadPixels(0, 0, size.x, size.y, GL_RGB, GL_UNSIGNED_BYTE, pTmpBmp->getPixels());
FilterFlipRGB().applyInPlace(pTmpBmp);
pBmp->copyPixels(*pTmpBmp);
} else {
int glPixelFormat = tex.getGLFormat(getPF());
glReadPixels(0, 0, size.x, size.y, glPixelFormat, tex.getGLType(getPF()),
pBmp->getPixels());
}
GLContext::checkError("BmpTextureMover::moveTextureToBmp: glReadPixels()");
glproc::FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
0, 0);
pContext->returnFBOToCache(fbo);
glproc::BindFramebuffer(GL_FRAMEBUFFER, 0);
return pBmp;
}
void
Canvas::Stretch(PixelScalar dest_x, PixelScalar dest_y,
UPixelScalar dest_width, UPixelScalar dest_height,
const GLTexture &texture)
{
Stretch(dest_x, dest_y, dest_width, dest_height,
texture, 0, 0, texture.GetWidth(), texture.GetHeight());
}
GLTexture* TexturesMap::TextureConstructor::construct (const TextureKey& key)
{
GLTexture* texture = new GLTexture(key.first, key.second);
if (m_cache->realised()) {
texture->realise();
}
return texture;
}
void
Canvas::Stretch(int dest_x, int dest_y,
unsigned dest_width, unsigned dest_height,
const GLTexture &texture)
{
Stretch(dest_x, dest_y, dest_width, dest_height,
texture, 0, 0, texture.GetWidth(), texture.GetHeight());
}
// Read framebuffer to 'pixelsOut' via glCopyTexSubImage3D.
void TestCopyTexSubImage3D(int x, int y, int z, PixelRect *pixelsOut)
{
// Init texture with given pixels.
GLTexture destTexture;
pixelsOut->toTexture3D(destTexture.get(), kTextureDepth);
// Read framebuffer -> texture -> 'pixelsOut'
glCopyTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, z, x, y, kReadWidth, kReadHeight);
readTexture3D(destTexture, kReadWidth, kReadHeight, z, pixelsOut);
}
// Read framebuffer to 'pixelsOut' via glCopyTexImage2D and GL_TEXTURE_2D.
void TestCopyTexImage2D(int x, int y, int, PixelRect *pixelsOut)
{
// Init texture with given pixels.
GLTexture destTexture;
pixelsOut->toTexture2D(GL_TEXTURE_2D, destTexture.get());
// Read framebuffer -> texture -> 'pixelsOut'
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, x, y, kReadWidth, kReadHeight, 0);
readTexture2D(GL_TEXTURE_2D, destTexture.get(), kReadWidth, kReadHeight, pixelsOut);
}
void UniformVar::_lua_getter_samplers(const gb::utils::luatable_mapper & mapper, const char * name)
{
std::vector<string> ret = mapper.get_strings_by_key(name);
const std::size_t minCount = ret.size() > count ? count : ret.size();
for (std::size_t i = 0; i < minCount; i++)
{
GLTexture * tex = resource::Res<GLTexture>::Instance().Get(ret[i]);
textureObjs[i] = { tex->GetTarget(), tex->GetTextureObj() };
}
}
// Read framebuffer to 'pixelsOut' via glCopyTexSubImage2D and cube map.
void TestCopyTexSubImageCube(int x, int y, int, PixelRect *pixelsOut)
{
// Init texture with given pixels.
GLTexture destTexture;
pixelsOut->toTexture2D(GL_TEXTURE_CUBE_MAP, destTexture.get());
// Read framebuffer -> texture -> 'pixelsOut'
glCopyTexSubImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, 0, 0, x, y, kReadWidth, kReadHeight);
readTexture2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, destTexture.get(), kReadWidth, kReadHeight,
pixelsOut);
}
void AtlasTexture::commit(Image const &image, Vector2i const &topLeft) const
{
GLTexture *tex = const_cast<AtlasTexture *>(this);
if(size() == GLTexture::Size(0, 0))
{
// Hasn't been full-committed yet.
tex->setUndefinedImage(totalSize(), Image::RGBA_8888);
}
tex->setSubImage(image, topLeft);
}
void AtlasTexture::commit(Image const &fullImage, Rectanglei const &subregion) const
{
GLTexture *tex = const_cast<AtlasTexture *>(this);
if (size() == GLTexture::Size(0, 0))
{
// Hasn't been full-committed yet.
tex->setUndefinedImage(totalSize(), Image::RGBA_8888);
}
tex->setSubImage(fullImage, subregion);
}
void GLFramebuffer::setWidthAndHeight(unsigned int width, unsigned int height)
{
mWidth = std::max(width, 1u);
mHeight = std::max(height, 1u);
if (not mFinished)
{
return;
}
glBindFramebuffer(GL_FRAMEBUFFER, mFramebuffer);
if (mDepthTexture != NULL)
{
GLTexture *glDepthTex = (GLTexture *)mDepthTexture;
glBindTexture(GL_TEXTURE_2D, glDepthTex->mTexture);
glDepthTex->allocData2D(mWidth, mHeight, mDepthFormat, Texture::Depth32F_Format, NULL);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, glDepthTex->mTexture, 0);
}
if (glIsRenderbuffer(mDepthRBO) and mDepthTexture == NULL)
{
glBindRenderbuffer(GL_RENDERBUFFER, mDepthRBO);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, mWidth, mHeight);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepthRBO);
}
unsigned int i=0;
GLenum drawBuffers[mColorTextures.size()];
for (std::vector<ColorTexture>::iterator it = mColorTextures.begin();
it != mColorTextures.end(); ++it)
{
GLTexture *glTexture = (GLTexture *)it->texture;
glBindTexture(GL_TEXTURE_2D, glTexture->mTexture);
glTexture->allocData2D(mWidth*it->scale.x, mHeight*it->scale.y, it->format, Texture::RGBU8_Format, NULL);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i, GL_TEXTURE_2D, glTexture->mTexture, 0);
drawBuffers[i] = GL_COLOR_ATTACHMENT0+i;
++i;
}
glDrawBuffers(mColorTextures.size(), drawBuffers);
}
void GLBackend::do_generateTextureMips(const Batch& batch, size_t paramOffset) {
TexturePointer resourceTexture = batch._textures.get(batch._params[paramOffset + 0]._uint);
if (!resourceTexture) {
return;
}
// DO not transfer the texture, this call is expected for rendering texture
GLTexture* object = syncGPUObject(resourceTexture);
if (!object) {
return;
}
object->generateMips();
}
void GL::GLProgram::setUniform(const char* name, const GLTexture& tex, int iTextureSlot)
{
int loc = getUniformByName(name);
//assert(loc > -1);
tex.bind(iTextureSlot);
glUniform1i(loc, iTextureSlot);
}
void GLSLProgram::SetTexture(const string& name,
const GLTexture& pTexture) {
if (m_mBindings.find(name) == m_mBindings.end ()) {
// find a free texture unit
int iUnusedTexUnit = 0;
for (texMap::iterator i = m_mBindings.begin();i != m_mBindings.end();++i){
if (i->second <= iUnusedTexUnit)
iUnusedTexUnit = i->second+1;
}
ConnectTextureID(name, iUnusedTexUnit);
pTexture.Bind(iUnusedTexUnit);
} else {
pTexture.Bind(m_mBindings[name]);
}
}
void glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid * pixels)
{
bool is_set = false;
#ifdef _DEBUG
return;
#endif
#if 1 // no mipmap
if (level > 0)
return;
#endif
if (!GLImpl.tmus[GLImpl.current_tmu].boundtexture) {
printf("Not texture binded\n");
return;
}
GLImpl.device->SetTexture(0, NULL);
GLTexture * surf = NULL;
if (GLImpl.tmus[GLImpl.current_tmu].boundtexture && GLImpl.tmus[GLImpl.current_tmu].boundtexture->teximg ) {
surf = GLImpl.tmus[GLImpl.current_tmu].boundtexture->teximg;
}
if (surf) {
int srcbytes = src_format_to_bypp(format);
int dstbytes = dst_format_to_bypp(GLImpl.tmus[GLImpl.current_tmu].boundtexture->internalformat);
BYTE * surfbuf;
BYTE * srcdata = (BYTE*) pixels;
BYTE * dstdata;
surf->lockTexture(level);
srcdata = (BYTE*) pixels;
surfbuf = (BYTE*)surf->getData();
dstdata = (BYTE*)surf->getData();
check_format(srcbytes, dstbytes);
copyImage(xoffset, yoffset, width, height, srcdata, srcbytes, surfbuf, dstbytes);
surf->unlockTexture(level);
GLImpl.tmus[GLImpl.current_tmu].boundtexture->dirty = 1;
}
}
void GLFramebuffer::setDepthbufferTexture(GLTexture& a_texture)
{
assert(m_initialized);
assert(uint(m_multiSampleType) == uint(a_texture.getMultiSampleType()));
m_depthTexture = a_texture.getTextureID();
CHECK_GL_ERROR()
glBindFramebuffer(GL_FRAMEBUFFER, m_fbo);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, a_texture.getTextureID(), 0);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
assert(status == GL_FRAMEBUFFER_COMPLETE);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
CHECK_GL_ERROR();
}
bool RayTracer::init_gl()
{
glGenTextures(1, &texture.value()); glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
glEnable(GL_TEXTURE_2D); glColor3f(1, 1, 1); return true;
}
void Surface::initTexture(const AttributeSet& attributes,
GLTexture& texture,
int line, int column,
ErrorManager* errorManager)
{
for(unsigned int i=0; i< attributes.size(); i++)
{
if (attributes[i].attribute == "file")
texture.setTexName(attributes[i].value);
else if(attributes[i].attribute == "mode")
{
if(attributes[i].value == "GL_MODULATE")
texture.setMode(GL_MODULATE);
else if(attributes[i].value == "GL_REPLACE")
texture.setMode(GL_REPLACE);
else if(attributes[i].value == "GL_ADD")
texture.setMode(GL_ADD);
else if(attributes[i].value == "GL_DECAL")
texture.setMode(GL_DECAL);
}
else if (attributes[i].attribute == "wrapS")
{
GLenum mode = (GLenum)ParserUtilities::toTextureWrapMode(attributes[i].value);
if(mode == GL_NONE)
errorManager->addError("Unknown Texture Mode", "Unknown Texture Mode \""
+ attributes[i].value + "\". Try( GL_CLAMP | GL_CLAMP_TO_EDGE | GL_CLAMP_TO_BORDER | GL_MIRRORED_REPEAT | GL_REPEAT)", line, column);
else
texture.setWrapS(mode);
}
else if (attributes[i].attribute == "wrapT")
{
GLenum mode = (GLenum)ParserUtilities::toTextureWrapMode(attributes[i].value);
if(mode == GL_NONE)
errorManager->addError("Unknown Texture Mode", "Unknown Texture Mode \""
+ attributes[i].value + "\". Try( GL_CLAMP | GL_CLAMP_TO_EDGE | GL_CLAMP_TO_BORDER | GL_MIRRORED_REPEAT | GL_REPEAT)", line, column);
else
texture.setWrapT(mode);
}
else if (attributes[i].attribute == "wrapR")
{
GLenum mode = (GLenum)ParserUtilities::toTextureWrapMode(attributes[i].value);
if(mode == GL_NONE)
errorManager->addError("Unknown Texture Mode", "Unknown Texture Mode \""
+ attributes[i].value + "\". Try( GL_CLAMP | GL_CLAMP_TO_EDGE | GL_CLAMP_TO_BORDER | GL_MIRRORED_REPEAT | GL_REPEAT)", line, column);
else
texture.setWrapR(mode);
}
else if (attributes[i].attribute == "priority")
diffuseTexture.setPriority((GLclampf)ParserUtilities::toDouble(attributes[i].value));
else
{
errorManager->addError("Unknown Texture Parameter",
"The provided texture parameter \"" + name + "\" is unknown", line, column);
}
}
}
GLFrameBuffer::GLFrameBuffer(const GLTexture & texture, const GLRenderBuffer & depthBuffer)
: mFrameBufferId((GLuint)-1)
{
GCLAssert(texture.IsValid());
RenderPipe::SendCommand([&](){
glGenFramebuffers(1, &mFrameBufferId); glErrorCheck();
glBindFramebuffer(GL_FRAMEBUFFER, mFrameBufferId); glErrorCheck();
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture.GetTextureIdUnsafe(), 0); glErrorCheck();
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthBuffer.GetRenderBufferId());glErrorCheck();
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
checkFrameBufferStatus(status);
glBindFramebuffer(GL_FRAMEBUFFER, 0);glErrorCheck();
});
}
int main(int argc, char** argv) {
glutInit(&argc, argv);
cameraX = 0;
cameraY = 30;
cameraZ = 150;
eyeX = 0;
eyeY = 0;
eyeZ = 0;
lastLevel = 0;
cameraAcceleration = 0.1;
timerTime = 2 * 1000;
lastLevel += ((rand() % 10) + 40);
jump = false;
characterSpeed = 0.8;
jumpTime = clock();
jumpBeginY = clock();
/*
int x = ((rand() % 10) + 45);
int direction = ((rand() % 10) - 15);*/
int x = ((rand() % 10) + 705);
int direction = 0;
character.x = direction;
character.y = lastLevel + 5;
Level level1 = *new Level(x, lastLevel, direction);
level1.levelBefore = new Level(-1000021, -111, 0);
Levels.push_back(level1);
character.setLevel(level1);
glutInitWindowSize(800, 1000);
glutInitWindowPosition(50, 50);
glutCreateWindow("Icy Tower");
glutDisplayFunc(Display);
glutIdleFunc(Anim);
glutKeyboardFunc(key);
glutMouseFunc(Mouse);
glutTimerFunc(0, Timer, 0);
glutTimerFunc(0, Timer2, 0);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHT1);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glShadeModel(GL_SMOOTH);
character.c.Load("Models/character.3ds");
banana.Load("Models/banana.3ds");
level.Load("Textures/brick3.bmp");
skyFront.Load("Textures/brick.bmp");
skyBack.Load("Textures/brick.bmp");
skyLeft.Load("Textures/brick2.bmp");
skyRight.Load("Textures/brick2.bmp");
skyUp.Load("Textures/brick.bmp");
skyDown.Load("Textures/grass2.bmp");
glutMainLoop();
}
void
Canvas::text_clipped(int x, int y, unsigned width, const TCHAR *text)
{
#ifdef HAVE_GLES
assert(x_offset == OpenGL::translate_x);
assert(y_offset == OpenGL::translate_y);
#endif
if (font == NULL)
return;
GLTexture *texture = TextCache::get(font, COLOR_BLACK, COLOR_WHITE, text);
if (texture == NULL)
return;
GLEnable scope(GL_TEXTURE_2D);
texture->bind();
GLLogicOp logic_op(GL_AND_INVERTED);
unsigned height = texture->get_height();
if (texture->get_width() < width)
width = texture->get_width();
/* cut out the shape in black */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
texture->draw(x, y, width, height, 0, 0, width, height);
if (text_color != COLOR_BLACK) {
/* draw the text color on top */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
logic_op.set(GL_OR);
text_color.set();
texture->draw(x, y, width, height, 0, 0, width, height);
}
}
void
Canvas::DrawClippedText(int x, int y,
unsigned width, unsigned height,
const TCHAR *text)
{
assert(text != nullptr);
assert(ValidateUTF8(text));
#ifdef HAVE_GLES
assert(offset == OpenGL::translate);
#endif
if (font == nullptr)
return;
GLTexture *texture = TextCache::Get(*font, text);
if (texture == nullptr)
return;
if (texture->GetHeight() < height)
height = texture->GetHeight();
if (texture->GetWidth() < width)
width = texture->GetWidth();
PrepareColoredAlphaTexture(text_color);
#ifndef USE_GLSL
GLEnable scope(GL_TEXTURE_2D);
#endif
const GLBlend blend(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
texture->Bind();
texture->Draw(x, y, width, height, 0, 0, width, height);
}
void drawLevel() {
level.Use();
glPushMatrix();
glTranslated(this->direction, this->y, 0);
glScaled(this->x, 3, 3);
drawBox(1, GL_QUADS);
glPopMatrix();
}
/* MCAThingSelection::draw
* Draws the animation
*******************************************************************/
void MCAThingSelection::draw()
{
// Setup colour
rgba_t col;
if (select)
col.set(255, 255, 255, 255*fade, 1);
else
{
col = ColourConfiguration::getColour("map_selection");
col.a *= fade;
}
OpenGL::setColour(col);
// Get texture if needed
if (!thing_overlay_square)
{
// Get thing selection texture
GLTexture* tex = NULL;
if (thing_drawtype == TDT_ROUND || thing_drawtype == TDT_SPRITE)
tex = MapEditor::textureManager().getEditorImage("thing/hilight");
else
tex = MapEditor::textureManager().getEditorImage("thing/square/hilight");
if (!tex)
return;
// Bind the texture
glEnable(GL_TEXTURE_2D);
tex->bind();
}
// Animate radius
double r = radius;
if (select) r += radius*0.2*fade;
// Draw
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f); glVertex2d(x - r, y - r);
glTexCoord2f(0.0f, 1.0f); glVertex2d(x - r, y + r);
glTexCoord2f(1.0f, 1.0f); glVertex2d(x + r, y + r);
glTexCoord2f(1.0f, 0.0f); glVertex2d(x + r, y - r);
glEnd();
}
void GLFramebuffer::addFramebufferTexture(GLTexture& a_texture, EAttachment a_attachment)
{
assert(m_initialized);
assert(uint(m_multiSampleType) == uint(a_texture.getMultiSampleType()));
m_textures.push_back(a_texture.getTextureID());
m_drawBuffers.push_back(a_attachment);
CHECK_GL_ERROR();
glBindFramebuffer(GL_FRAMEBUFFER, m_fbo);
glFramebufferTexture(GL_FRAMEBUFFER, GLenum(a_attachment), a_texture.getTextureID(), 0);
glDrawBuffers(uint(m_drawBuffers.size()), rcast<GLenum*>(&m_drawBuffers[0]));
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
assert(status == GL_FRAMEBUFFER_COMPLETE);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
CHECK_GL_ERROR();
}