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clean up RageDisplay methods, add ability to mask song banner

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The masking uses the Z-buffer under the assumption that some cards don't have a stencil.  Should we be using the stencil instead?  It doesn't really matter because we never need both the Z buffer and stencil buffer simultaneously.
This commit is contained in:
Chris Danford
2003-05-15 06:09:19 +00:00
parent 2b1099666c
commit 54bedc3eba
27 changed files with 169 additions and 252 deletions
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stepmania/src/RageDisplay.cpp
+41 -23
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@@ -132,6 +132,10 @@ void RageDisplay::SetupOpenGL()
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
/* Reject pixels that are completely transparent early in the pipeline */
glAlphaFunc( GL_GREATER, 0.01f );
glEnable( GL_ALPHA_TEST );
/*
* Set state variables
*/
@@ -906,13 +910,6 @@ void RageDisplay::SetTextureModeModulate()
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
/* Set the blend mode for both texture and alpha. This is all that's
* available pre-OpenGL 1.4. */
void RageDisplay::SetBlendMode(int src, int dst)
{
glBlendFunc( GLenum(src), GLenum(dst) );
}
void RageDisplay::SetTextureModeGlow(GlowMode m)
{
if(m == GLOW_WHITEN && !m_oglspecs->EXT_texture_env_combine)
@@ -921,7 +918,7 @@ void RageDisplay::SetTextureModeGlow(GlowMode m)
switch(m)
{
case GLOW_BRIGHTEN:
SetBlendMode( GL_SRC_ALPHA, GL_ONE );
glBlendFunc( GL_SRC_ALPHA, GL_ONE );
return;
case GLOW_WHITEN:
@@ -940,33 +937,46 @@ void RageDisplay::SetTextureModeGlow(GlowMode m)
}
}
void RageDisplay::SetBlendModeNormal()
void RageDisplay::SetBlendMode( BlendMode mode )
{
SetBlendMode( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
}
void RageDisplay::SetBlendModeAdd()
{
SetBlendMode( GL_ONE, GL_ONE );
switch( mode )
{
case BLEND_NORMAL:
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
break;
case BLEND_ADD:
glBlendFunc( GL_ONE, GL_ONE );
break;
case BLEND_NO_EFFECT:
glBlendFunc( GL_ZERO, GL_ONE );
break;
default:
ASSERT(0);
}
}
bool RageDisplay::ZBufferEnabled() const
bool RageDisplay::IsZBufferEnabled() const
{
bool a;
glGetBooleanv( GL_DEPTH_TEST, (unsigned char*)&a );
return a;
}
void RageDisplay::EnableZBuffer()
void RageDisplay::SetZBuffer( bool b )
{
glEnable( GL_DEPTH_TEST );
if( b )
glEnable( GL_DEPTH_TEST );
else
glDisable( GL_DEPTH_TEST );
}
void RageDisplay::DisableZBuffer()
void RageDisplay::ClearZBuffer()
{
glDisable( GL_DEPTH_TEST );
glClear( GL_DEPTH_BUFFER_BIT );
}
void RageDisplay::EnableTextureWrapping(bool b)
void RageDisplay::SetTextureWrapping( bool b )
{
GLenum mode = b? GL_REPEAT:GL_CLAMP;
GLenum mode = b ? GL_REPEAT : GL_CLAMP;
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, mode );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, mode );
}
@@ -986,7 +996,7 @@ void RageDisplay::SetMaterial(
glMaterialf( GL_FRONT, GL_SHININESS, shininess );
}
void RageDisplay::EnableLighting(bool b)
void RageDisplay::SetLighting( bool b )
{
if( b ) glEnable( GL_LIGHTING );
else glDisable( GL_LIGHTING );
@@ -1016,4 +1026,12 @@ void RageDisplay::SetLightDirectional(
glLightfv(GL_LIGHT0, GL_POSITION, position);
glPopMatrix();
}
}
void RageDisplay::SetBackfaceCull( bool b )
{
if( b )
glEnable( GL_CULL_FACE );
else
glDisable( GL_CULL_FACE );
}