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framebuffer

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This commit is contained in:
Eduardo Bart
2011-08-11 22:38:54 -03:00
parent 651315d4cd
commit 1a81d1520f
4 changed files with 25 additions and 1 deletions
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12
src/framework/graphics/framebuffer.cpp
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@@ -34,6 +34,8 @@ PFNGLCHECKFRAMEBUFFERSTATUSPROC oglCheckFramebufferStatus = 0;
FrameBuffer::FrameBuffer(int width, int height)
{
g_graphics.disableDrawing();
m_fbo = 0;
m_width = width;
m_height = height;
@@ -50,7 +52,7 @@ FrameBuffer::FrameBuffer(int width, int height)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// use FBO ext only if supported
if(g_graphics.isExtensionSupported("ARB_framebuffer_object")) {
if(g_graphics.isExtensionSupported("GL_ARB_framebuffer_object")) {
m_fallbackOldImp = false;
if(!oglGenFramebuffers) {
oglGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)Platform::getExtensionProcAddress("glGenFramebuffers");
@@ -84,6 +86,8 @@ FrameBuffer::FrameBuffer(int width, int height)
FrameBuffer::~FrameBuffer()
{
g_graphics.disableDrawing();
glDeleteTextures(1, &m_fboTexture);
if(m_fbo)
oglDeleteFramebuffers(1, &m_fbo);
@@ -91,6 +95,8 @@ FrameBuffer::~FrameBuffer()
void FrameBuffer::bind()
{
g_graphics.disableDrawing();
if(!m_fallbackOldImp) {
// bind framebuffer
oglBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo);
@@ -113,6 +119,8 @@ void FrameBuffer::bind()
void FrameBuffer::unbind()
{
g_graphics.disableDrawing();
if(!m_fallbackOldImp) {
// bind back buffer again
oglBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
@@ -137,6 +145,8 @@ void FrameBuffer::unbind()
void FrameBuffer::draw(int x, int y, int width, int height)
{
g_graphics.disableDrawing();
glBindTexture(GL_TEXTURE_2D, m_fboTexture);
glBegin(GL_QUADS);
glTexCoord2i(0, 0); glVertex2i(x, y);

3
src/framework/graphics/framebuffer.h
View File

@@ -27,6 +27,9 @@
#include <global.h>
class FrameBuffer;
typedef std::shared_ptr<FrameBuffer> FrameBufferPtr;
class FrameBuffer
{
public: