OrdinaryMagician/vkdoom_m
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- use a software buffer for immediate mode rendering. This allows using the regular buffer code to collect data for both render modes and allows removal of a lot of duplicated code.

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This commit is contained in:
Christoph Oelckers 2014-06-15 01:14:41 +02:00
commit 3644073bbd
12 changed files with 232 additions and 636 deletions
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32
src/gl/scene/gl_scene.cpp
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@ -617,28 +617,16 @@ static void FillScreen()
gl_RenderState.EnableAlphaTest(false);
gl_RenderState.EnableTexture(false);
gl_RenderState.Apply();
if (!gl_usevbo)
{
glBegin(GL_TRIANGLE_STRIP);
glVertex2f(0.0f, 0.0f);
glVertex2f(0.0f, (float)SCREENHEIGHT);
glVertex2f((float)SCREENWIDTH, 0.0f);
glVertex2f((float)SCREENWIDTH, (float)SCREENHEIGHT);
glEnd();
}
else
{
FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
ptr->Set(0, 0, 0, 0, 0);
ptr++;
ptr->Set(0, (float)SCREENHEIGHT, 0, 0, 0);
ptr++;
ptr->Set((float)SCREENWIDTH, 0, 0, 0, 0);
ptr++;
ptr->Set((float)SCREENWIDTH, (float)SCREENHEIGHT, 0, 0, 0);
ptr++;
GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
}
FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
ptr->Set(0, 0, 0, 0, 0);
ptr++;
ptr->Set(0, (float)SCREENHEIGHT, 0, 0, 0);
ptr++;
ptr->Set((float)SCREENWIDTH, 0, 0, 0, 0);
ptr++;
ptr->Set((float)SCREENWIDTH, (float)SCREENHEIGHT, 0, 0, 0);
ptr++;
GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
}
//==========================================================================