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Renderer : Fix to copy framebuffer to exclude the upper bound if the rectangle as specified in opengl specs. Thanks @rectalogic

Browse Source 
http://jmonkeyengine.org/groups/contribution-depot-jme3/forum/topic/lwjgl-copyframebuffer-off-by-one-error-patch/#post-184138

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9585 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
rem..om 2012-07-25 16:23:03 +00:00
parent f5cd1e97c4
commit ce124e7729
1 changed files with 23 additions and 23 deletions
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46
engine/src/lwjgl/com/jme3/renderer/lwjgl/LwjglRenderer.java
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@ -387,7 +387,7 @@ public class LwjglRenderer implements Renderer {
logger.log(Level.INFO, "Caps: {0}", caps);
}
public void invalidateState() {
context.reset();
boundShader = null;
@ -1145,15 +1145,15 @@ public class LwjglRenderer implements Renderer {
public void copyFrameBuffer(FrameBuffer src, FrameBuffer dst, boolean copyDepth) {
if (GLContext.getCapabilities().GL_EXT_framebuffer_blit) {
int srcX = 0;
int srcY = 0;
int srcW = 0;
int srcH = 0;
int srcX0 = 0;
int srcY0 = 0;
int srcX1 = 0;
int srcY1 = 0;
int dstX = 0;
int dstY = 0;
int dstW = 0;
int dstH = 0;
int dstX0 = 0;
int dstY0 = 0;
int dstX1 = 0;
int dstY1 = 0;
int prevFBO = context.boundFBO;
@ -1176,32 +1176,32 @@ public class LwjglRenderer implements Renderer {
if (src == null) {
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
srcX = vpX;
srcY = vpY;
srcW = vpW;
srcH = vpH;
srcX0 = vpX;
srcY0 = vpY;
srcX1 = vpX + vpW;
srcY1 = vpY + vpH;
} else {
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, src.getId());
srcW = src.getWidth();
srcH = src.getHeight();
srcX1 = src.getWidth();
srcY1 = src.getHeight();
}
if (dst == null) {
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
dstX = vpX;
dstY = vpY;
dstW = vpW - 1;
dstH = vpH - 1;
dstX0 = vpX;
dstY0 = vpY;
dstX1 = vpX + vpW;
dstY1 = vpY + vpH;
} else {
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, dst.getId());
dstW = dst.getWidth() - 1;
dstH = dst.getHeight() - 1;
dstX1 = dst.getWidth();
dstY1 = dst.getHeight();
}
int mask = GL_COLOR_BUFFER_BIT;
if (copyDepth) {
mask |= GL_DEPTH_BUFFER_BIT;
}
glBlitFramebufferEXT(0, 0, srcW, srcH,
0, 0, dstW, dstH, mask,
glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1, mask,
GL_NEAREST);