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Merge pull request #167 from neobrain/ogl-efbpokes 

Implement EFB pokes in the OpenGL backend.
This commit is contained in:
Ryan Houdek 2014-03-20 15:25:56 -05:00
parent 51fdf8a9b2 d946e4e238
commit 89efec6109
1 changed files with 39 additions and 5 deletions
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44
Source/Core/VideoBackends/OGL/Render.cpp
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@ -1065,12 +1065,46 @@ u32 Renderer::AccessEFB(EFBAccessType type, u32 x, u32 y, u32 poke_data)
} }
case POKE_COLOR: case POKE_COLOR:
case POKE_Z: {
// TODO: Implement. One way is to draw a tiny pixel-sized rectangle at ResetAPIState();
// the exact location. Note: EFB pokes are susceptible to Z-buffering
// and perhaps blending. glClearColor(float((poke_data >> 16) & 0xFF) / 255.0f,
//WARN_LOG(VIDEOINTERFACE, "This is probably some kind of software rendering"); float((poke_data >> 8) & 0xFF) / 255.0f,
float((poke_data >> 0) & 0xFF) / 255.0f,
float((poke_data >> 24) & 0xFF) / 255.0f);
glEnable(GL_SCISSOR_TEST);
glScissor(targetPixelRc.left, targetPixelRc.bottom, targetPixelRc.GetWidth(), targetPixelRc.GetHeight());
glClear(GL_COLOR_BUFFER_BIT);
RestoreAPIState();
// TODO: Could just update the EFB cache with the new value
ClearEFBCache();
break; break;
}
case POKE_Z:
{
ResetAPIState();
glDepthMask(GL_TRUE);
glClearDepthf(float(poke_data & 0xFFFFFF) / float(0xFFFFFF));
glEnable(GL_SCISSOR_TEST);
glScissor(targetPixelRc.left, targetPixelRc.bottom, targetPixelRc.GetWidth(), targetPixelRc.GetHeight());
glClear(GL_DEPTH_BUFFER_BIT);
RestoreAPIState();
// TODO: Could just update the EFB cache with the new value
ClearEFBCache();
break;
}
default: default:
break; break;