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fix some graphics issues on Windows virtualbox

This commit is contained in:
Eduardo Bart 2011-10-30 21:13:22 -02:00
parent 4c5d1d0ca5
commit e35a2e4c79
4 changed files with 21 additions and 20 deletions
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6
src/framework/graphics/framebuffer.cpp
View File

@ -45,7 +45,7 @@ FrameBuffer::FrameBuffer(int width, int height)
m_texture->enableBilinearFilter();
// use FBO ext only if supported
if(false && g_graphics.isExtensionSupported("GL_ARB_framebuffer_object")) {
if(g_graphics.isExtensionSupported("GL_ARB_framebuffer_object")) {
m_fallbackOldImp = false;
if(!oglGenFramebuffers) {
oglGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)g_platform.getExtensionProcAddress("glGenFramebuffers");
@ -106,7 +106,7 @@ void FrameBuffer::bind()
glLoadIdentity();
// clear framebuffer
glClearColor(0.0, 0.0, 0.0, 0.0);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
}
@ -136,5 +136,5 @@ void FrameBuffer::unbind()
void FrameBuffer::draw(const Rect& screenCoords, const Rect& framebufferCoords)
{
g_graphics.drawTexturedRect(screenCoords, m_texture ,framebufferCoords);
g_graphics.drawTexturedRect(screenCoords, m_texture, framebufferCoords);
}

14
src/framework/graphics/graphics.cpp
View File

@ -148,18 +148,18 @@ void Graphics::drawTexturedRect(const Rect& screenCoords,
float textureBottom;
float textureTop;
float textureLeft;
const Size& textureSize = texture->getGlSize();
if(textureCoords.isEmpty()) {
textureRight = 1.0f;
textureBottom = 1.0f;
textureRight = texture->getWidth() / (float)textureSize.width();
textureBottom = texture->getHeight() / (float)textureSize.height();
textureTop = 0.0f;
textureLeft = 0.0f;
} else {
const Size& textureSize = texture->getGlSize();
textureRight = (float)(textureCoords.right() + 1) / textureSize.width();
textureBottom = (float)(textureCoords.bottom() + 1) / textureSize.height();
textureTop = (float)textureCoords.top() / textureSize.height();
textureLeft = (float)textureCoords.left() / textureSize.width();
textureRight = (textureCoords.right() + 1) / (float)textureSize.width();
textureBottom = (textureCoords.bottom() + 1) / (float)textureSize.height();
textureTop = textureCoords.top() / (float)textureSize.height();
textureLeft = textureCoords.left() / (float)textureSize.width();
}
if(!m_drawing) {

5
src/framework/graphics/texture.cpp
View File

@ -72,7 +72,7 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
std::vector<uint8> tmp;
// old opengl drivers only accept power of two dimensions
if(!g_graphics.isExtensionSupported("GL_ARB_texture_non_power_of_two") && pixels) {
if(!g_graphics.isExtensionSupported("GL_ARB_texture_non_power_of_two")) {
int glWidth = 1;
while(glWidth < width)
glWidth = glWidth << 1;
@ -81,9 +81,8 @@ uint Texture::internalLoadGLTexture(uchar *pixels, int channels, int width, int
while(glHeight < height)
glHeight = glHeight << 1;
if(m_size != m_glSize) {
if(m_size != m_glSize && pixels) {
tmp.resize(glHeight*glWidth*channels, 0);
if(pixels)
for(int y=0; y<height; ++y)
for(int x=0; x<width; ++x)
for(int i=0; i<channels; ++i)

2
src/framework/platform/win32platform.cpp
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@ -419,9 +419,11 @@ bool Platform::isExtensionSupported(const char *ext)
typedef const char* _wglGetExtensionsStringARB(HDC hdc);
_wglGetExtensionsStringARB *wglGetExtensionsStringARB = (_wglGetExtensionsStringARB*)getExtensionProcAddress("wglGetExtensionsStringARB");
if(wglGetExtensionsStringARB) {
const char *exts = wglGetExtensionsStringARB(win32.hdc);
if(strstr(exts, ext))
return true;
}
return false;
}