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Performance improvement in Tactics Ogre.
This commit is contained in:
Unknown W. Brackets committed 2014-05-25 19:50:40 -07:00
1 parent c42d04829f
commit 8228bee6bf
2 files changed
+14 -8
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GPU/GLES/Framebuffer.cpp
+13 -7
View File
@@ -1270,13 +1270,13 @@ void FramebufferManager::ReadFramebufferToMemory(VirtualFramebuffer *vfb, bool s
// PackFramebufferAsync_() - Asynchronous pixel data transfer using glReadPixels with PBOs
#ifdef USING_GLES2
PackFramebufferSync_(nvfb);
PackFramebufferSync_(nvfb, x, y, w, h);
#else
if (gl_extensions.PBO_ARB && gl_extensions.OES_texture_npot) {
if (!sync) {
PackFramebufferAsync_(nvfb);
} else {
PackFramebufferSync_(nvfb);
PackFramebufferSync_(nvfb, x, y, w, h);
}
}
#endif
@@ -1615,7 +1615,7 @@ void FramebufferManager::PackFramebufferAsync_(VirtualFramebuffer *vfb) {
#endif
void FramebufferManager::PackFramebufferSync_(VirtualFramebuffer *vfb) {
void FramebufferManager::PackFramebufferSync_(VirtualFramebuffer *vfb, int x, int y, int w, int h) {
if (vfb->fbo) {
fbo_bind_for_read(vfb->fbo);
} else {
@@ -1638,7 +1638,13 @@ void FramebufferManager::PackFramebufferSync_(VirtualFramebuffer *vfb) {
if (!convert) {
packed = (GLubyte *)Memory::GetPointer(fb_address);
} else { // End result may be 16-bit but we are reading 32-bit, so there may not be enough space at fb_address
packed = (GLubyte *)malloc(bufSize * sizeof(GLubyte));
u32 neededSize = (u32)bufSize * sizeof(GLubyte);
if (!convBuf_ || convBufSize_ < neededSize) {
delete [] convBuf_;
convBuf_ = new u8[neededSize];
convBufSize_ = neededSize;
}
packed = convBuf_;
}
if (packed) {
@@ -1652,12 +1658,12 @@ void FramebufferManager::PackFramebufferSync_(VirtualFramebuffer *vfb) {
glfmt = GL_BGRA_EXT;
}
#endif
glReadPixels(0, 0, vfb->fb_stride, vfb->height, glfmt, GL_UNSIGNED_BYTE, packed);
int byteOffset = y * vfb->fb_stride * 4;
glReadPixels(0, y, vfb->fb_stride, h, glfmt, GL_UNSIGNED_BYTE, packed + byteOffset);
// LogReadPixelsError(glGetError());
if (convert) {
ConvertFromRGBA8888(Memory::GetPointer(fb_address), packed, vfb->fb_stride, vfb->height, vfb->format);
free(packed);
ConvertFromRGBA8888(Memory::GetPointer(fb_address + byteOffset), packed + byteOffset, vfb->fb_stride, h, vfb->format);
}
}