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Reworked OpenGL fades to be more in line with transitions and PureSDL fades

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git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@2115 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
mcmartin
2005-12-26 08:41:15 +00:00
parent 76b17619ef
commit 0b9e11a1d4
1 changed files with 4 additions and 4 deletions
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sc2/src/sc2code/libs/graphics/sdl/opengl.c
+4 -4
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@@ -412,18 +412,18 @@ TFB_GL_SwapBuffers (int force_full_redraw)
if (fade_amount < 255) if (fade_amount < 255)
{ {
c = fade_amount / 255.0f; c = (255 - fade_amount) / 255.0f;
glBlendFunc (GL_DST_COLOR, GL_ZERO); glColor4f (0, 0, 0, c);
} }
else else
{ {
c = (fade_amount - 255) / 255.0f; c = (fade_amount - 255) / 255.0f;
glBlendFunc (GL_ONE, GL_ONE); glColor4f (1, 1, 1, c);
} }
glDisable (GL_TEXTURE_2D); glDisable (GL_TEXTURE_2D);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable (GL_BLEND); glEnable (GL_BLEND);
glColor4f (c, c, c, 1);
TFB_GL_DrawQuad (); TFB_GL_DrawQuad ();
} }