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d3d: Support offset rendering.

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Unknown W. Brackets 2014-09-13 12:07:30 -07:00
parent 5a0f646916
commit f3dbe526a9
1 changed files with 49 additions and 2 deletions
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51
GPU/Directx9/FramebufferDX9.cpp
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@ -469,7 +469,49 @@ namespace DX9 {
dxstate.viewport.set(0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
currentRenderVfb_ = 0;
u32 offsetX = 0;
u32 offsetY = 0;
VirtualFramebuffer *vfb = GetVFBAt(displayFramebufPtr_);
if (!vfb) {
// Let's search for a framebuf within this range.
const u32 addr = (displayFramebufPtr_ & 0x03FFFFFF) | 0x04000000;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *v = vfbs_[i];
const u32 v_addr = (v->fb_address & 0x03FFFFFF) | 0x04000000;
const u32 v_size = FramebufferByteSize(v);
if (addr >= v_addr && addr < v_addr + v_size) {
const u32 dstBpp = v->format == GE_FORMAT_8888 ? 4 : 2;
const u32 v_offsetX = ((addr - v_addr) / dstBpp) % v->fb_stride;
const u32 v_offsetY = ((addr - v_addr) / dstBpp) / v->fb_stride;
// We have enough space there for the display, right?
if (v_offsetX + 480 > (u32)v->fb_stride || v->bufferHeight < v_offsetY + 272) {
continue;
}
// Check for the closest one.
if (offsetY == 0 || offsetY > v_offsetY) {
offsetX = v_offsetX;
offsetY = v_offsetY;
vfb = v;
}
}
}
if (vfb) {
// Okay, we found one above.
INFO_LOG_REPORT_ONCE(displayoffset, HLE, "Rendering from framebuf with offset %08x -> %08x+%dx%d", addr, vfb->fb_address, offsetX, offsetY);
}
}
if (vfb && vfb->format != displayFormat_) {
if (vfb->last_frame_render + FBO_OLD_AGE < gpuStats.numFlips) {
// The game probably switched formats on us.
vfb->format = displayFormat_;
} else {
vfb = 0;
}
}
if (!vfb) {
if (Memory::IsValidAddress(displayFramebufPtr_)) {
// The game is displaying something directly from RAM. In GTA, it's decoded video.
@ -522,6 +564,11 @@ namespace DX9 {
// TODO ES3: Use glInvalidateFramebuffer to discard depth/stencil data at the end of frame.
// and to discard extraFBOs_ after using them.
const float u0 = offsetX / (float)vfb->bufferWidth;
const float v0 = offsetY / (float)vfb->bufferHeight;
const float u1 = (480.0f + offsetX) / (float)vfb->bufferWidth;
const float v1 = (272.0f + offsetY) / (float)vfb->bufferHeight;
if (1) {
dxstate.viewport.set(0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
// These are in the output display coordinates
@ -534,7 +581,7 @@ namespace DX9 {
}
dxstate.texMipFilter.set(D3DTEXF_NONE);
dxstate.texMipLodBias.set(0);
DrawActiveTexture(colorTexture, x, y, w, h, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight, false, 480.0f / (float)vfb->width, 272.0f / (float)vfb->height);
DrawActiveTexture(colorTexture, x, y, w, h, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight, false, u1, v1);
}
/*
else if (usePostShader_ && extraFBOs_.size() == 1 && !postShaderAtOutputResolution_) {
@ -697,7 +744,7 @@ namespace DX9 {
}
*/
dxstate.viewport.set(0, 0, dst->width, dst->height);
dxstate.viewport.set(0, 0, dst->renderWidth, dst->renderHeight);
DisableState();
if (src->fbo) {