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Fixed testgl so that SDL_GL_Enter2DMode() allows alpha blending

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extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40244
This commit is contained in:
Sam Lantinga 2001-11-22 06:34:25 +00:00
parent ea3595e3fb
commit c374bc5b9f
1 changed files with 4 additions and 0 deletions
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4
test/testgl.c
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@ -118,6 +118,10 @@ void SDL_GL_Enter2DMode()
glDisable(GL_CULL_FACE); glDisable(GL_CULL_FACE);
glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D);
/* This allows alpha blending of 2D textures with the scene */
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glViewport(0, 0, screen->w, screen->h); glViewport(0, 0, screen->w, screen->h);
glMatrixMode(GL_PROJECTION); glMatrixMode(GL_PROJECTION);