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mesa: simplify target checking for TexImage functions

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This commit is contained in:
Brian Paul
2010-12-08 21:38:35 -07:00
parent 7404fa3f07
commit 09a5e028a6
1 changed files with 18 additions and 8 deletions
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26
src/mesa/main/teximage.c
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@@ -1437,10 +1437,12 @@ legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
/**
* Check if the given texture target value is legal for a
* glCopyTexImage1/2D call.
* glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
* The difference compared to legal_teximage_target() above is that
* proxy targets are not supported.
*/
static GLboolean
legal_copyteximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target)
{
switch (dims) {
case 1:
@@ -1463,8 +1465,18 @@ legal_copyteximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
default:
return GL_FALSE;
}
case 3:
switch (target) {
case GL_TEXTURE_3D:
return GL_TRUE;
case GL_TEXTURE_2D_ARRAY_EXT:
return ctx->Extensions.MESA_texture_array;
default:
return GL_FALSE;
}
default:
_mesa_problem(ctx, "invalid dims=%u in legal_copyteximage_target()", dims);
_mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()",
dims);
return GL_FALSE;
}
}
@@ -1856,7 +1868,7 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
GLint format;
/* check target */
if (!legal_copyteximage_target(ctx, dimensions, target)) {
if (!legal_texsubimage_target(ctx, dimensions, target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)",
dimensions, _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
@@ -1982,8 +1994,7 @@ copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions,
}
/* check target (proxies not allowed) */
if (!legal_teximage_target(ctx, dimensions, target) ||
_mesa_is_proxy_texture(target)) {
if (!legal_texsubimage_target(ctx, dimensions, target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexSubImage%uD(target=%s)",
dimensions, _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
@@ -2579,8 +2590,7 @@ texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
_mesa_lookup_enum_by_nr(type), pixels);
/* check target (proxies not allowed) */
if (!legal_teximage_target(ctx, dims, target) ||
_mesa_is_proxy_texture(target)) {
if (!legal_texsubimage_target(ctx, dims, target)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
dims, _mesa_lookup_enum_by_nr(target));
return;