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Support block transfers offset into a framebuffer.

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This commit is contained in:
Unknown W. Brackets 2014-05-25 15:13:19 -07:00
parent cacbfab4b5
commit 62cd61611e
2 changed files with 41 additions and 16 deletions
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55
GPU/GLES/Framebuffer.cpp
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@ -1231,7 +1231,7 @@ void FramebufferManager::ReadFramebufferToMemory(VirtualFramebuffer *vfb, bool s
}
vfb->memoryUpdated = true;
BlitFramebuffer_(nvfb, x, y, vfb, x, y, w, h);
BlitFramebuffer_(nvfb, x, y, vfb, x, y, w, h, 0);
// PackFramebufferSync_() - Synchronous pixel data transfer using glReadPixels
// PackFramebufferAsync_() - Asynchronous pixel data transfer using glReadPixels with PBOs
@ -1254,7 +1254,7 @@ void FramebufferManager::ReadFramebufferToMemory(VirtualFramebuffer *vfb, bool s
}
// TODO: If dimensions are the same, we can use glCopyImageSubData.
void FramebufferManager::BlitFramebuffer_(VirtualFramebuffer *dst, int dstX, int dstY, VirtualFramebuffer *src, int srcX, int srcY, int w, int h) {
void FramebufferManager::BlitFramebuffer_(VirtualFramebuffer *dst, int dstX, int dstY, VirtualFramebuffer *src, int srcX, int srcY, int w, int h, int bpp) {
if (!dst->fbo) {
ERROR_LOG_REPORT_ONCE(dstfbozero, SCEGE, "BlitFramebuffer_: dst->fbo == 0");
fbo_unbind();
@ -1278,17 +1278,37 @@ void FramebufferManager::BlitFramebuffer_(VirtualFramebuffer *dst, int dstX, int
bool useNV = !gl_extensions.GLES3;
#endif
float srcXFactor = (float)src->renderWidth / (float)src->bufferWidth;
float srcYFactor = (float)src->renderHeight / (float)src->bufferHeight;
int srcBpp = src->format == GE_FORMAT_8888 ? 4 : 2;
if (srcBpp != bpp && bpp != 0) {
srcXFactor = (srcXFactor * bpp) / srcBpp;
}
int srcX1 = srcX * srcXFactor;
int srcX2 = (srcX + w) * srcXFactor;
int srcY2 = src->renderHeight - (h + srcY) * srcYFactor;
int srcY1 = srcY2 + h * srcYFactor;
float dstXFactor = (float)dst->renderWidth / (float)dst->bufferWidth;
float dstYFactor = (float)dst->renderHeight / (float)dst->bufferHeight;
int dstBpp = dst->format == GE_FORMAT_8888 ? 4 : 2;
if (dstBpp != bpp && bpp != 0) {
dstXFactor = (dstXFactor * bpp) / dstBpp;
}
int dstX1 = dstX * dstXFactor;
int dstX2 = (dstX + w) * dstXFactor;
int dstY2 = dst->renderHeight - (h + dstY) * dstYFactor;
int dstY1 = dstY2 + h * dstYFactor;
#ifdef MAY_HAVE_GLES3
fbo_bind_for_read(src->fbo);
if (!useNV) {
// Render buffer is upside down , swap srcY0 with srcY1 to flip it correct
glBlitFramebuffer(0, src->renderHeight, src->renderWidth, 0, 0, 0, dst->width, dst->height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
fbo_bind_for_read(src->fbo);
if (!useNV) {
glBlitFramebuffer(srcX1, srcY1, srcX2, srcY2, dstX1, dstY1, dstX2, dstY2, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
#if defined(ANDROID) // We only support this extension on Android, it's not even available on PC.
else if (gl_extensions.NV_framebuffer_blit) {
// Render buffer is upside down , swap srcY0 with srcY1 to flip it correct
glBlitFramebufferNV(0, src->renderHeight, src->renderWidth, 0, 0, 0, dst->width, dst->height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else if (gl_extensions.NV_framebuffer_blit) {
glBlitFramebufferNV(srcX1, srcY1, srcX2, srcY2, dstX1, dstY1, dstX2, dstY2, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
#endif // defined(ANDROID)
#endif // MAY_HAVE_GLES3
@ -1803,7 +1823,7 @@ void FramebufferManager::NotifyFramebufferCopy(u32 src, u32 dst, int size) {
// Just do the blit!
// TODO: Possibly take bpp into account somehow if games are doing really crazy things?
// if (g_Config.bBlockTransferGPU) {
// BlitFramebuffer_(dstBuffer, 0, 0, srcBuffer, 0, 0, srcBuffer->width, srcBuffer->height);
// BlitFramebuffer_(dstBuffer, 0, 0, srcBuffer, 0, 0, srcBuffer->width, srcBuffer->height, 0);
// }
}
} else if (dstBuffer) {
@ -1841,6 +1861,7 @@ bool FramebufferManager::NotifyBlockTransfer(u32 dstBasePtr, int dstStride, int
if (((backBuffer != 0 && dstBasePtr == backBuffer) ||
(displayBuffer != 0 && dstBasePtr == displayBuffer)) &&
dstStride == 512 && height == 272) {
// TODO: Use displayFormat_ instead of GE_FORMAT_8888?
DrawFramebuffer(Memory::GetPointerUnchecked(dstBasePtr), GE_FORMAT_8888, 512, false);
}
@ -1848,10 +1869,14 @@ bool FramebufferManager::NotifyBlockTransfer(u32 dstBasePtr, int dstStride, int
VirtualFramebuffer *srcBuffer = 0;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *vfb = vfbs_[i];
if (MaskedEqual(vfb->fb_address, dstBasePtr)) {
const u32 vfb_address = 0x04000000 | vfb->fb_address;
const u32 vfb_size = vfb->fb_stride * vfb->height * (vfb->format == GE_FORMAT_8888 ? 4 : 2);
if (vfb_address <= dstBasePtr && dstBasePtr < vfb_address + vfb_size) {
dstY += (dstBasePtr - vfb_address) / (dstStride * bpp);
dstBuffer = vfb;
}
if (MaskedEqual(vfb->fb_address, srcBasePtr)) {
if (vfb_address <= srcBasePtr && srcBasePtr < vfb_address + vfb_size) {
srcY += (srcBasePtr - vfb_address) / (srcStride * bpp);
srcBuffer = vfb;
}
}
@ -1864,7 +1889,7 @@ bool FramebufferManager::NotifyBlockTransfer(u32 dstBasePtr, int dstStride, int
// Just do the blit!
// TODO: Possibly take bpp into account somehow if games are doing really crazy things?
if (g_Config.bBlockTransferGPU) {
BlitFramebuffer_(dstBuffer, dstX, dstY, srcBuffer, srcX, srcY, width, height);
BlitFramebuffer_(dstBuffer, dstX, dstY, srcBuffer, srcX, srcY, width, height, bpp);
return true; // No need to actually do the memory copy behind, probably.
}
}

2
GPU/GLES/Framebuffer.h
View File

@ -227,7 +227,7 @@ private:
VirtualFramebuffer *currentRenderVfb_;
// Used by ReadFramebufferToMemory and later framebuffer block copies
void BlitFramebuffer_(VirtualFramebuffer *dst, int dstX, int dstY, VirtualFramebuffer *src, int srcX, int srcY, int w, int h);
void BlitFramebuffer_(VirtualFramebuffer *dst, int dstX, int dstY, VirtualFramebuffer *src, int srcX, int srcY, int w, int h, int bpp);
#ifndef USING_GLES2
void PackFramebufferAsync_(VirtualFramebuffer *vfb);
#endif