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Refactor determining whether a texture target can use compressed format

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This commit is contained in:
Ian Romanick 2007-05-17 11:13:41 -07:00
parent 2b72ab8f8f
commit fbcac5aa83
1 changed files with 19 additions and 25 deletions
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44
src/mesa/main/teximage.c
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@ -1299,6 +1299,20 @@ _mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
}
/**
* Helper function to determine whether a target supports compressed textures
*/
static GLboolean
target_can_be_compressed(GLcontext *ctx, GLenum target)
{
return (((target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D))
|| ((ctx->Extensions.ARB_texture_cube_map &&
(target == GL_PROXY_TEXTURE_CUBE_MAP ||
(target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)))));
}
/**
* Test the glTexImage[123]D() parameters for errors.
*
@ -1515,21 +1529,10 @@ texture_error_check( GLcontext *ctx, GLenum target,
/* additional checks for compressed textures */
if (is_compressed_format(ctx, internalFormat)) {
if (target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D) {
/* OK */
}
else if (ctx->Extensions.ARB_texture_cube_map &&
(target == GL_PROXY_TEXTURE_CUBE_MAP ||
(target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
/* OK */
}
else {
if (!isProxy) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexImage%d(target)", dimensions);
return GL_TRUE;
}
if (!target_can_be_compressed(ctx, target) && !isProxy) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexImage%d(target)", dimensions);
return GL_TRUE;
}
if (border != 0) {
if (!isProxy) {
@ -1704,16 +1707,7 @@ subtexture_error_check2( GLcontext *ctx, GLuint dimensions,
#endif
if (destTex->IsCompressed) {
if (target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D) {
/* OK */
}
else if (ctx->Extensions.ARB_texture_cube_map &&
(target == GL_PROXY_TEXTURE_CUBE_MAP ||
(target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
/* OK */
}
else {
if (!target_can_be_compressed(ctx, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexSubImage%D(target)", dimensions);
return GL_TRUE;