Adds renderer functions for rendertarget operations.
TRAC #22093
Signed-off-by: Geoff Lang
Signed-off-by: Daniel Koch
git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1444 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/Renderer9.cpp b/src/libGLESv2/renderer/Renderer9.cpp
index 2dd6116..ab8f510 100644
--- a/src/libGLESv2/renderer/Renderer9.cpp
+++ b/src/libGLESv2/renderer/Renderer9.cpp
@@ -1438,6 +1438,435 @@
return mBlit->copy(framebuffer, sourceRect, destFormat, xoffset, yoffset, storage, target, level);
}
+bool Renderer9::blitRect(gl::Framebuffer *readFramebuffer, gl::Rectangle *readRect, gl::Framebuffer *drawFramebuffer, gl::Rectangle *drawRect,
+ bool blitRenderTarget, bool blitDepthStencil)
+{
+ endScene();
+
+ if (blitRenderTarget)
+ {
+ IDirect3DSurface9* readRenderTarget = readFramebuffer->getRenderTarget();
+ IDirect3DSurface9* drawRenderTarget = drawFramebuffer->getRenderTarget();
+
+ RECT srcRect, dstRect;
+ RECT *srcRectPtr = NULL;
+ RECT *dstRectPtr = NULL;
+
+ if (readRect)
+ {
+ srcRect.left = readRect->x;
+ srcRect.right = readRect->x + readRect->width;
+ srcRect.top = readRect->y;
+ srcRect.bottom = readRect->y + readRect->height;
+ srcRectPtr = &srcRect;
+ }
+
+ if (drawRect)
+ {
+ dstRect.left = drawRect->x;
+ dstRect.right = drawRect->x + drawRect->width;
+ dstRect.top = drawRect->y;
+ dstRect.bottom = drawRect->y + drawRect->height;
+ dstRectPtr = &dstRect;
+ }
+
+ HRESULT result = mDevice->StretchRect(readRenderTarget, srcRectPtr, drawRenderTarget, dstRectPtr, D3DTEXF_NONE);
+
+ readRenderTarget->Release();
+ drawRenderTarget->Release();
+
+ if (FAILED(result))
+ {
+ ERR("BlitFramebufferANGLE failed: StretchRect returned %x.", result);
+ return false;
+ }
+ }
+
+ if (blitDepthStencil)
+ {
+ IDirect3DSurface9* readDepthStencil = readFramebuffer->getDepthStencil();
+ IDirect3DSurface9* drawDepthStencil = drawFramebuffer->getDepthStencil();
+
+ HRESULT result = mDevice->StretchRect(readDepthStencil, NULL, drawDepthStencil, NULL, D3DTEXF_NONE);
+
+ readDepthStencil->Release();
+ drawDepthStencil->Release();
+
+ if (FAILED(result))
+ {
+ ERR("BlitFramebufferANGLE failed: StretchRect returned %x.", result);
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void Renderer9::readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
+ GLsizei outputPitch, bool packReverseRowOrder, GLint packAlignment, void* pixels)
+{
+ IDirect3DSurface9 *renderTarget = framebuffer->getRenderTarget();
+ if (!renderTarget)
+ {
+ return; // Context must be lost, return silently
+ }
+
+ D3DSURFACE_DESC desc;
+ renderTarget->GetDesc(&desc);
+
+ if (desc.MultiSampleType != D3DMULTISAMPLE_NONE)
+ {
+ UNIMPLEMENTED(); // FIXME: Requires resolve using StretchRect into non-multisampled render target
+ renderTarget->Release();
+ return error(GL_OUT_OF_MEMORY);
+ }
+
+ HRESULT result;
+ IDirect3DSurface9 *systemSurface = NULL;
+ bool directToPixels = !packReverseRowOrder && packAlignment <= 4 && getShareHandleSupport() &&
+ x == 0 && y == 0 && UINT(width) == desc.Width && UINT(height) == desc.Height &&
+ desc.Format == D3DFMT_A8R8G8B8 && format == GL_BGRA_EXT && type == GL_UNSIGNED_BYTE;
+ if (directToPixels)
+ {
+ // Use the pixels ptr as a shared handle to write directly into client's memory
+ result = mDevice->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format,
+ D3DPOOL_SYSTEMMEM, &systemSurface, &pixels);
+ if (FAILED(result))
+ {
+ // Try again without the shared handle
+ directToPixels = false;
+ }
+ }
+
+ if (!directToPixels)
+ {
+ result = mDevice->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format,
+ D3DPOOL_SYSTEMMEM, &systemSurface, NULL);
+ if (FAILED(result))
+ {
+ ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
+ renderTarget->Release();
+ return error(GL_OUT_OF_MEMORY);
+ }
+ }
+
+ result = mDevice->GetRenderTargetData(renderTarget, systemSurface);
+ renderTarget->Release();
+ renderTarget = NULL;
+
+ if (FAILED(result))
+ {
+ systemSurface->Release();
+
+ // It turns out that D3D will sometimes produce more error
+ // codes than those documented.
+ if (gl::checkDeviceLost(result))
+ return error(GL_OUT_OF_MEMORY);
+ else
+ {
+ UNREACHABLE();
+ return;
+ }
+
+ }
+
+ if (directToPixels)
+ {
+ systemSurface->Release();
+ return;
+ }
+
+ RECT rect;
+ rect.left = gl::clamp(x, 0L, static_cast<LONG>(desc.Width));
+ rect.top = gl::clamp(y, 0L, static_cast<LONG>(desc.Height));
+ rect.right = gl::clamp(x + width, 0L, static_cast<LONG>(desc.Width));
+ rect.bottom = gl::clamp(y + height, 0L, static_cast<LONG>(desc.Height));
+
+ D3DLOCKED_RECT lock;
+ result = systemSurface->LockRect(&lock, &rect, D3DLOCK_READONLY);
+
+ if (FAILED(result))
+ {
+ UNREACHABLE();
+ systemSurface->Release();
+
+ return; // No sensible error to generate
+ }
+
+ unsigned char *dest = (unsigned char*)pixels;
+ unsigned short *dest16 = (unsigned short*)pixels;
+
+ unsigned char *source;
+ int inputPitch;
+ if (packReverseRowOrder)
+ {
+ source = ((unsigned char*)lock.pBits) + lock.Pitch * (rect.bottom - rect.top - 1);
+ inputPitch = -lock.Pitch;
+ }
+ else
+ {
+ source = (unsigned char*)lock.pBits;
+ inputPitch = lock.Pitch;
+ }
+
+ unsigned int fastPixelSize = 0;
+
+ if (desc.Format == D3DFMT_A8R8G8B8 &&
+ format == GL_BGRA_EXT &&
+ type == GL_UNSIGNED_BYTE)
+ {
+ fastPixelSize = 4;
+ }
+ else if ((desc.Format == D3DFMT_A4R4G4B4 &&
+ format == GL_BGRA_EXT &&
+ type == GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT) ||
+ (desc.Format == D3DFMT_A1R5G5B5 &&
+ format == GL_BGRA_EXT &&
+ type == GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT))
+ {
+ fastPixelSize = 2;
+ }
+ else if (desc.Format == D3DFMT_A16B16G16R16F &&
+ format == GL_RGBA &&
+ type == GL_HALF_FLOAT_OES)
+ {
+ fastPixelSize = 8;
+ }
+ else if (desc.Format == D3DFMT_A32B32G32R32F &&
+ format == GL_RGBA &&
+ type == GL_FLOAT)
+ {
+ fastPixelSize = 16;
+ }
+
+ for (int j = 0; j < rect.bottom - rect.top; j++)
+ {
+ if (fastPixelSize != 0)
+ {
+ // Fast path for formats which require no translation:
+ // D3DFMT_A8R8G8B8 to BGRA/UNSIGNED_BYTE
+ // D3DFMT_A4R4G4B4 to BGRA/UNSIGNED_SHORT_4_4_4_4_REV_EXT
+ // D3DFMT_A1R5G5B5 to BGRA/UNSIGNED_SHORT_1_5_5_5_REV_EXT
+ // D3DFMT_A16B16G16R16F to RGBA/HALF_FLOAT_OES
+ // D3DFMT_A32B32G32R32F to RGBA/FLOAT
+ //
+ // Note that buffers with no alpha go through the slow path below.
+ memcpy(dest + j * outputPitch,
+ source + j * inputPitch,
+ (rect.right - rect.left) * fastPixelSize);
+ continue;
+ }
+
+ for (int i = 0; i < rect.right - rect.left; i++)
+ {
+ float r;
+ float g;
+ float b;
+ float a;
+
+ switch (desc.Format)
+ {
+ case D3DFMT_R5G6B5:
+ {
+ unsigned short rgb = *(unsigned short*)(source + 2 * i + j * inputPitch);
+
+ a = 1.0f;
+ b = (rgb & 0x001F) * (1.0f / 0x001F);
+ g = (rgb & 0x07E0) * (1.0f / 0x07E0);
+ r = (rgb & 0xF800) * (1.0f / 0xF800);
+ }
+ break;
+ case D3DFMT_A1R5G5B5:
+ {
+ unsigned short argb = *(unsigned short*)(source + 2 * i + j * inputPitch);
+
+ a = (argb & 0x8000) ? 1.0f : 0.0f;
+ b = (argb & 0x001F) * (1.0f / 0x001F);
+ g = (argb & 0x03E0) * (1.0f / 0x03E0);
+ r = (argb & 0x7C00) * (1.0f / 0x7C00);
+ }
+ break;
+ case D3DFMT_A8R8G8B8:
+ {
+ unsigned int argb = *(unsigned int*)(source + 4 * i + j * inputPitch);
+
+ a = (argb & 0xFF000000) * (1.0f / 0xFF000000);
+ b = (argb & 0x000000FF) * (1.0f / 0x000000FF);
+ g = (argb & 0x0000FF00) * (1.0f / 0x0000FF00);
+ r = (argb & 0x00FF0000) * (1.0f / 0x00FF0000);
+ }
+ break;
+ case D3DFMT_X8R8G8B8:
+ {
+ unsigned int xrgb = *(unsigned int*)(source + 4 * i + j * inputPitch);
+
+ a = 1.0f;
+ b = (xrgb & 0x000000FF) * (1.0f / 0x000000FF);
+ g = (xrgb & 0x0000FF00) * (1.0f / 0x0000FF00);
+ r = (xrgb & 0x00FF0000) * (1.0f / 0x00FF0000);
+ }
+ break;
+ case D3DFMT_A2R10G10B10:
+ {
+ unsigned int argb = *(unsigned int*)(source + 4 * i + j * inputPitch);
+
+ a = (argb & 0xC0000000) * (1.0f / 0xC0000000);
+ b = (argb & 0x000003FF) * (1.0f / 0x000003FF);
+ g = (argb & 0x000FFC00) * (1.0f / 0x000FFC00);
+ r = (argb & 0x3FF00000) * (1.0f / 0x3FF00000);
+ }
+ break;
+ case D3DFMT_A32B32G32R32F:
+ {
+ // float formats in D3D are stored rgba, rather than the other way round
+ r = *((float*)(source + 16 * i + j * inputPitch) + 0);
+ g = *((float*)(source + 16 * i + j * inputPitch) + 1);
+ b = *((float*)(source + 16 * i + j * inputPitch) + 2);
+ a = *((float*)(source + 16 * i + j * inputPitch) + 3);
+ }
+ break;
+ case D3DFMT_A16B16G16R16F:
+ {
+ // float formats in D3D are stored rgba, rather than the other way round
+ r = gl::float16ToFloat32(*((unsigned short*)(source + 8 * i + j * inputPitch) + 0));
+ g = gl::float16ToFloat32(*((unsigned short*)(source + 8 * i + j * inputPitch) + 1));
+ b = gl::float16ToFloat32(*((unsigned short*)(source + 8 * i + j * inputPitch) + 2));
+ a = gl::float16ToFloat32(*((unsigned short*)(source + 8 * i + j * inputPitch) + 3));
+ }
+ break;
+ default:
+ UNIMPLEMENTED(); // FIXME
+ UNREACHABLE();
+ return;
+ }
+
+ switch (format)
+ {
+ case GL_RGBA:
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ dest[4 * i + j * outputPitch + 0] = (unsigned char)(255 * r + 0.5f);
+ dest[4 * i + j * outputPitch + 1] = (unsigned char)(255 * g + 0.5f);
+ dest[4 * i + j * outputPitch + 2] = (unsigned char)(255 * b + 0.5f);
+ dest[4 * i + j * outputPitch + 3] = (unsigned char)(255 * a + 0.5f);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_BGRA_EXT:
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ dest[4 * i + j * outputPitch + 0] = (unsigned char)(255 * b + 0.5f);
+ dest[4 * i + j * outputPitch + 1] = (unsigned char)(255 * g + 0.5f);
+ dest[4 * i + j * outputPitch + 2] = (unsigned char)(255 * r + 0.5f);
+ dest[4 * i + j * outputPitch + 3] = (unsigned char)(255 * a + 0.5f);
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+ // According to the desktop GL spec in the "Transfer of Pixel Rectangles" section
+ // this type is packed as follows:
+ // 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+ // --------------------------------------------------------------------------------
+ // | 4th | 3rd | 2nd | 1st component |
+ // --------------------------------------------------------------------------------
+ // in the case of BGRA_EXT, B is the first component, G the second, and so forth.
+ dest16[i + j * outputPitch / sizeof(unsigned short)] =
+ ((unsigned short)(15 * a + 0.5f) << 12)|
+ ((unsigned short)(15 * r + 0.5f) << 8) |
+ ((unsigned short)(15 * g + 0.5f) << 4) |
+ ((unsigned short)(15 * b + 0.5f) << 0);
+ break;
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+ // According to the desktop GL spec in the "Transfer of Pixel Rectangles" section
+ // this type is packed as follows:
+ // 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+ // --------------------------------------------------------------------------------
+ // | 4th | 3rd | 2nd | 1st component |
+ // --------------------------------------------------------------------------------
+ // in the case of BGRA_EXT, B is the first component, G the second, and so forth.
+ dest16[i + j * outputPitch / sizeof(unsigned short)] =
+ ((unsigned short)( a + 0.5f) << 15) |
+ ((unsigned short)(31 * r + 0.5f) << 10) |
+ ((unsigned short)(31 * g + 0.5f) << 5) |
+ ((unsigned short)(31 * b + 0.5f) << 0);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ case GL_RGB:
+ switch (type)
+ {
+ case GL_UNSIGNED_SHORT_5_6_5:
+ dest16[i + j * outputPitch / sizeof(unsigned short)] =
+ ((unsigned short)(31 * b + 0.5f) << 0) |
+ ((unsigned short)(63 * g + 0.5f) << 5) |
+ ((unsigned short)(31 * r + 0.5f) << 11);
+ break;
+ case GL_UNSIGNED_BYTE:
+ dest[3 * i + j * outputPitch + 0] = (unsigned char)(255 * r + 0.5f);
+ dest[3 * i + j * outputPitch + 1] = (unsigned char)(255 * g + 0.5f);
+ dest[3 * i + j * outputPitch + 2] = (unsigned char)(255 * b + 0.5f);
+ break;
+ default: UNREACHABLE();
+ }
+ break;
+ default: UNREACHABLE();
+ }
+ }
+ }
+
+ systemSurface->UnlockRect();
+
+ systemSurface->Release();
+}
+
+bool Renderer9::setRenderTarget(gl::Renderbuffer *renderbuffer)
+{
+ IDirect3DSurface9 *renderTarget = NULL;
+
+ if (renderbuffer)
+ {
+ renderTarget = renderbuffer->getRenderTarget();
+ if (!renderTarget)
+ {
+ ERR("render target pointer unexpectedly null.");
+ return false; // Context must be lost
+ }
+
+ mDevice->SetRenderTarget(0, renderTarget);
+ renderTarget->Release();
+ }
+ else
+ {
+ mDevice->SetRenderTarget(0, NULL);
+ }
+
+ return true;
+}
+
+bool Renderer9::setDepthStencil(gl::Renderbuffer *renderbuffer)
+{
+ IDirect3DSurface9 *depthStencil = NULL;
+
+ if (renderbuffer)
+ {
+ depthStencil = renderbuffer->getDepthStencil();
+ if (!depthStencil)
+ {
+ ERR("depth stencil pointer unexpectedly null.");
+ return false; // Context must be lost
+ }
+ mDevice->SetDepthStencilSurface(depthStencil);
+ depthStencil->Release();
+ }
+ else
+ {
+ mDevice->SetDepthStencilSurface(NULL);
+ }
+ return true;
+}
+
bool Renderer9::boxFilter(IDirect3DSurface9 *source, IDirect3DSurface9 *dest)
{
return mBlit->boxFilter(source, dest);