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OGL: Clean up ClearScreen

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6709 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
NeoBrainX 2011-01-01 16:11:44 +00:00
parent 28ef121a93
commit 0732c337c5
1 changed files with 6 additions and 14 deletions
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20
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
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@ -851,28 +851,20 @@ void Renderer::ClearScreen(const EFBRectangle& rc, bool colorEnable, bool alphaE
glDepthFunc(GL_NEVER); glDepthFunc(GL_NEVER);
} }
glEnable(GL_SCISSOR_TEST); // Update viewport for clearing the picture
// Update the viewport and scissor rect for clearing the picture
TargetRectangle targetRc = ConvertEFBRectangle(rc); TargetRectangle targetRc = ConvertEFBRectangle(rc);
glViewport(targetRc.left, targetRc.bottom, targetRc.GetWidth(), targetRc.GetHeight()); glViewport(targetRc.left, targetRc.bottom, targetRc.GetWidth(), targetRc.GetHeight());
glScissor(targetRc.left, targetRc.bottom, targetRc.GetWidth(), targetRc.GetHeight()); glDepthRange(0.0, (float)(z & 0xFFFFFF) / float(0xFFFFFF));
glDepthRange(0.0, 1.0);
glColor4f((float)((color >> 16) & 0xFF) / 255.0f, glColor4f((float)((color >> 16) & 0xFF) / 255.0f,
(float)((color >> 8) & 0xFF) / 255.0f, (float)((color >> 8) & 0xFF) / 255.0f,
(float)(color & 0xFF) / 255.0f, (float)(color & 0xFF) / 255.0f,
(float)((color >> 24) & 0xFF) / 255.0f); (float)((color >> 24) & 0xFF) / 255.0f);
float zval = -1.f + 2.f * (float)(z & 0xFFFFFF) / float(0xFFFFFF); // convert range [0;1] to [-1;1]
if(zval > 1.0f)
zval = 1.0f;
if(zval < -1.0f)
zval = -1.0f;
glBegin(GL_QUADS); glBegin(GL_QUADS);
glVertex3f(-1.f, -1.f, zval); glVertex3f(-1.f, -1.f, 1.f);
glVertex3f(-1.f, 1.f, zval); glVertex3f(-1.f, 1.f, 1.f);
glVertex3f( 1.f, 1.f, zval); glVertex3f( 1.f, 1.f, 1.f);
glVertex3f( 1.f, -1.f, zval); glVertex3f( 1.f, -1.f, 1.f);
glEnd(); glEnd();
RestoreAPIState(); RestoreAPIState();