Digitalstack/otclient
2
0
Fork 0
mirror of https://github.com/edubart/otclient.git synced 2025-10-22 15:25:54 +02:00
Code Issues Packages Projects Releases Wiki Activity

reorganize sources

Browse Source
This commit is contained in:
Eduardo Bart
2011-08-15 11:06:15 -03:00
parent 4e03b15b27
commit d8cc37afdb
113 changed files with 621 additions and 3437 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
src/framework/graphics/framebuffer.cpp
View File

@@ -1,6 +1,9 @@
#include "framebuffer.h"
#include "graphics.h"
#include <core/platform.h>
#include "texture.h"
#include <framework/platform/platform.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glext.h>
@@ -14,22 +17,13 @@ PFNGLCHECKFRAMEBUFFERSTATUSPROC oglCheckFramebufferStatus = 0;
FrameBuffer::FrameBuffer(int width, int height)
{
m_fbo = 0;
m_width = width;
m_height = height;
// create FBO texture
glGenTextures(1, &m_fboTexture);
glBindTexture(GL_TEXTURE_2D, m_fboTexture);
glTexImage2D(GL_TEXTURE_2D, 0, 4, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// we want bilinear filtering (for a smooth framebuffer)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
m_texture = TexturePtr(new Texture(width, height, 4));
m_texture->enableBilinearFilter();
// use FBO ext only if supported
if(g_graphics.isExtensionSupported("GL_ARB_framebuffer_object")) {
if(false && g_graphics.isExtensionSupported("GL_ARB_framebuffer_object")) {
m_fallbackOldImp = false;
if(!oglGenFramebuffers) {
oglGenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)g_platform.getExtensionProcAddress("glGenFramebuffers");
@@ -44,7 +38,7 @@ FrameBuffer::FrameBuffer(int width, int height)
oglBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo);
// attach 2D texture to this FBO
oglFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_fboTexture, 0);
oglFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_texture->getId(), 0);
GLenum status = oglCheckFramebufferStatus(GL_FRAMEBUFFER_EXT);
switch(status) {
@@ -58,6 +52,8 @@ FrameBuffer::FrameBuffer(int width, int height)
// restore back buffer
oglBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
glDrawBuffer(GL_BACK);
glReadBuffer(GL_BACK);
} else {
// otherwise fallback to copy texture from screen implementation
m_fallbackOldImp = true;
@@ -66,7 +62,6 @@ FrameBuffer::FrameBuffer(int width, int height)
FrameBuffer::~FrameBuffer()
{
glDeleteTextures(1, &m_fboTexture);
if(m_fbo)
oglDeleteFramebuffers(1, &m_fbo);
}
@@ -79,10 +74,10 @@ void FrameBuffer::bind()
}
// setup framebuffer viewport
glViewport(0, 0, m_width, m_height);
glViewport(0, 0, m_texture->getWidth(), m_texture->getHeight());
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0f, m_width, 0, m_height);
gluOrtho2D(0.0f, m_texture->getWidth(), 0, m_texture->getHeight());
// back to model view
glMatrixMode(GL_MODELVIEW);
@@ -105,8 +100,8 @@ void FrameBuffer::unbind()
g_graphics.restoreViewport();
} else {
// copy screen to texture
glBindTexture(GL_TEXTURE_2D, m_fboTexture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, m_width, m_height);
glBindTexture(GL_TEXTURE_2D, m_texture->getId());
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, m_texture->getWidth(), m_texture->getHeight());
// restore graphics viewport
g_graphics.restoreViewport();
@@ -117,14 +112,7 @@ void FrameBuffer::unbind()
}
}
void FrameBuffer::draw(int x, int y, int width, int height)
void FrameBuffer::draw(const Rect& screenCoords, const Rect& framebufferCoords)
{
glColor4ubv(Color::white.rgbaPtr());
glBindTexture(GL_TEXTURE_2D, m_fboTexture);
glBegin(GL_QUADS);
glTexCoord2i(0, 0); glVertex2i(x, y);
glTexCoord2i(0, 1); glVertex2i(x, y+height);
glTexCoord2i(1, 1); glVertex2i(x+width, y+height);
glTexCoord2i(1, 0); glVertex2i(x+width, y);
glEnd();
g_graphics.drawTexturedRect(screenCoords, m_texture ,framebufferCoords);
}