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mesa: Rearrange legal_texobj_target to look more like _mesa_legal_get_tex_level_parameter_target

Browse source 
This makes it a bit easier to add support for more features in different
APIs.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ian Romanick 2016-08-18 09:55:49 +01:00
parent ef5bad09c4
commit d79c950eeb
1 changed files with 26 additions and 11 deletions
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37
src/mesa/main/texstorage.c
View file

@ -51,11 +51,31 @@
static GLboolean
legal_texobj_target(struct gl_context *ctx, GLuint dims, GLenum target)
{
if (_mesa_is_gles3(ctx)
&& target != GL_TEXTURE_2D
&& target != GL_TEXTURE_CUBE_MAP
&& target != GL_TEXTURE_3D
&& target != GL_TEXTURE_2D_ARRAY)
if (dims < 1 || dims > 3) {
_mesa_problem(ctx, "invalid dims=%u in legal_texobj_target()", dims);
return GL_FALSE;
}
switch (dims) {
case 2:
switch (target) {
case GL_TEXTURE_2D:
return GL_TRUE;
case GL_TEXTURE_CUBE_MAP:
return ctx->Extensions.ARB_texture_cube_map;
}
break;
case 3:
switch (target) {
case GL_TEXTURE_3D:
return GL_TRUE;
case GL_TEXTURE_2D_ARRAY:
return ctx->Extensions.EXT_texture_array;
}
break;
}
if (!_mesa_is_desktop_gl(ctx))
return GL_FALSE;
switch (dims) {
@ -69,10 +89,8 @@ legal_texobj_target(struct gl_context *ctx, GLuint dims, GLenum target)
}
case 2:
switch (target) {
case GL_TEXTURE_2D:
case GL_PROXY_TEXTURE_2D:
return GL_TRUE;
case GL_TEXTURE_CUBE_MAP:
case GL_PROXY_TEXTURE_CUBE_MAP:
return ctx->Extensions.ARB_texture_cube_map;
case GL_TEXTURE_RECTANGLE:
@ -86,10 +104,8 @@ legal_texobj_target(struct gl_context *ctx, GLuint dims, GLenum target)
}
case 3:
switch (target) {
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
return GL_TRUE;
case GL_TEXTURE_2D_ARRAY:
case GL_PROXY_TEXTURE_2D_ARRAY:
return ctx->Extensions.EXT_texture_array;
case GL_TEXTURE_CUBE_MAP_ARRAY:
@ -99,8 +115,7 @@ legal_texobj_target(struct gl_context *ctx, GLuint dims, GLenum target)
return GL_FALSE;
}
default:
_mesa_problem(ctx, "invalid dims=%u in legal_texobj_target()", dims);
return GL_FALSE;
unreachable("impossible dimensions");
}
}