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gl: Simplify GL wrap parameter setting code

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This commit is contained in:
Alexandros Frantzis 2012-05-03 13:03:26 +03:00 • committed by Chris Wilson
parent 6cd1f5040f
commit 82f69d1ef7
1 changed files with 15 additions and 14 deletions
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29
src/cairo-gl-composite.c
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@ -153,32 +153,33 @@ _cairo_gl_texture_set_extend (cairo_gl_context_t *ctx,
GLuint target,
cairo_extend_t extend)
{
GLint wrap_mode;
assert (! _cairo_gl_device_requires_power_of_two_textures (&ctx->base) ||
(extend != CAIRO_EXTEND_REPEAT && extend != CAIRO_EXTEND_REFLECT));
switch (extend) {
case CAIRO_EXTEND_NONE:
if (ctx->gl_flavor == CAIRO_GL_FLAVOR_ES) {
glTexParameteri (target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
else {
glTexParameteri (target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri (target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
}
if (ctx->gl_flavor == CAIRO_GL_FLAVOR_ES)
wrap_mode = GL_CLAMP_TO_EDGE;
else
wrap_mode = GL_CLAMP_TO_BORDER;
break;
case CAIRO_EXTEND_PAD:
glTexParameteri (target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
wrap_mode = GL_CLAMP_TO_EDGE;
break;
case CAIRO_EXTEND_REPEAT:
glTexParameteri (target, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri (target, GL_TEXTURE_WRAP_T, GL_REPEAT);
wrap_mode = GL_REPEAT;
break;
case CAIRO_EXTEND_REFLECT:
glTexParameteri (target, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
glTexParameteri (target, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
wrap_mode = GL_MIRRORED_REPEAT;
break;
default:
wrap_mode = 0;
}
if (likely (wrap_mode)) {
glTexParameteri (target, GL_TEXTURE_WRAP_S, wrap_mode);
glTexParameteri (target, GL_TEXTURE_WRAP_T, wrap_mode);
}
}