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dolphin
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Don't use undefined OpenGL behavior, even if it does somehow work. Also, enable PEEK_COLOR logic. Not sure if any games use it. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3814 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Nolan Check 2009-07-16 09:06:16 +00:00
parent ca750d1368
commit a48e148104
2 changed files with 22 additions and 25 deletions
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3
Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.h
View File

@ -106,6 +106,9 @@ public:
GLuint GetEFBFramebuffer() const { return m_efbFramebuffer; }
// Resolved framebuffer is only used in MSAA mode.
GLuint GetResolvedFramebuffer() const { return m_resolvedFramebuffer; }
TargetRectangle ConvertEFBRectangle(const EFBRectangle& rc) const;
private:

40
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
View File

@ -556,10 +556,9 @@ u32 Renderer::AccessEFB(EFBAccessType type, int x, int y)
{
if (s_MSAASamples > 1)
{
// XXX: What is this? Binding a texture to a framebuffer slot?
// It's not documented in the OpenGL spec, but it seems to work!
// (ATI Radeon HD 3870, CATALYST 9.6 drivers, Windows Vista 64-bit...)
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, ResolveAndGetDepthTarget(efbPixelRc));
// Resolve our rectangle.
s_framebufferManager.GetEFBDepthTexture(efbPixelRc);
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, s_framebufferManager.GetResolvedFramebuffer());
}
// Sample from the center of the target region.
@ -570,10 +569,6 @@ u32 Renderer::AccessEFB(EFBAccessType type, int x, int y)
glReadPixels(srcX, srcY, 1, 1, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, &z);
GL_REPORT_ERRORD();
if (s_MSAASamples > 1)
// Return to the EFB (this may not be necessary).
SetFramebuffer(0);
// Scale the 32-bit value returned by glReadPixels to a 24-bit
// value (GC uses a 24-bit Z-buffer).
return z >> 8;
@ -584,26 +579,25 @@ u32 Renderer::AccessEFB(EFBAccessType type, int x, int y)
break;
case PEEK_COLOR:
/*{
u32 z = 0;
{
if (s_MSAASamples > 1)
{
// Resolve our rectangle.
s_framebufferManager.GetEFBColorTexture(efbPixelRc);
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, s_framebufferManager.GetResolvedFramebuffer());
}
// Sample from the center of the target region.
int srcX = (targetPixelRc.left + targetPixelRc.right) / 2;
int srcY = (targetPixelRc.top + targetPixelRc.bottom) / 2;
if (s_MSAASamples > 1)
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, ResolveAndGetRenderTarget(efbPixelRc));
// Read the z value! Also adjust the pixel to read to the upscaled EFB resolution
// Plus we need to flip the y value as the OGL image is upside down
glReadPixels(srcX, srcY, 1, 1, GL_RGB, GL_UNSIGNED_INT, &z);
u32 color = 0;
glReadPixels(srcX, srcY, 1, 1, GL_RGBA, GL_UNSIGNED_INT, &color);
GL_REPORT_ERRORD();
// We should probably re-bind the old fbo here.
if (s_MSAASamples > 1)
SetFramebuffer(0);
return z;
}*/
break;
// TODO: Find some way to test PEEK_COLOR.
return color;
}
case POKE_COLOR:
// TODO: Implement. One way is to draw a tiny pixel-sized rectangle at