* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "enums.h"
#include "imports.h"
#include "macros.h"
-#include "mfeatures.h"
#include "teximage.h"
#include "texobj.h"
#include "texstorage.h"
case GL_PROXY_TEXTURE_2D_ARRAY:
return (ctx->Extensions.MESA_texture_array ||
ctx->Extensions.EXT_texture_array);
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
+ return ctx->Extensions.ARB_texture_cube_map_array;
default:
return GL_FALSE;
}
}
-/**
- * Do error checking for calls to glTexStorage1/2/3D().
- * If an error is found, record it with _mesa_error(), unless the target
- * is a proxy texture.
- * \return GL_TRUE if any error, GL_FALSE otherwise.
- */
-static GLboolean
-tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
- GLsizei levels, GLenum internalformat,
- GLsizei width, GLsizei height, GLsizei depth)
+GLboolean
+_mesa_is_legal_tex_storage_format(struct gl_context *ctx, GLenum internalformat)
{
- struct gl_texture_object *texObj;
- GLuint maxDim;
- GLboolean legalFormat;
-
/* check internal format - note that only sized formats are allowed */
switch (internalformat) {
case GL_ALPHA:
case GL_LUMINANCE_INTEGER_EXT:
case GL_LUMINANCE_ALPHA_INTEGER_EXT:
/* these unsized formats are illegal */
- legalFormat = GL_FALSE;
- break;
+ return GL_FALSE;
default:
- legalFormat = _mesa_base_tex_format(ctx, internalformat) > 0;
+ return _mesa_base_tex_format(ctx, internalformat) > 0;
}
+}
+
+/**
+ * Default ctx->Driver.AllocTextureStorage() handler.
+ *
+ * The driver can override this with a more specific implementation if it
+ * desires, but this can be used to get the texture images allocated using the
+ * usual texture image handling code. The immutability of
+ * GL_ARB_texture_storage texture layouts is handled by texObj->Immutable
+ * checks at glTexImage* time.
+ */
+GLboolean
+_mesa_alloc_texture_storage(struct gl_context *ctx,
+ struct gl_texture_object *texObj,
+ GLsizei levels, GLsizei width,
+ GLsizei height, GLsizei depth)
+{
+ const int numFaces = _mesa_num_tex_faces(texObj->Target);
+ int face;
+ int level;
+
+ for (face = 0; face < numFaces; face++) {
+ for (level = 0; level < levels; level++) {
+ struct gl_texture_image *const texImage = texObj->Image[face][level];
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage))
+ return GL_FALSE;
+ }
+ }
+
+ return GL_TRUE;
+}
+
- if (!legalFormat) {
+/**
+ * Do error checking for calls to glTexStorage1/2/3D().
+ * If an error is found, record it with _mesa_error(), unless the target
+ * is a proxy texture.
+ * \return GL_TRUE if any error, GL_FALSE otherwise.
+ */
+static GLboolean
+tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
+ GLsizei levels, GLenum internalformat,
+ GLsizei width, GLsizei height, GLsizei depth)
+{
+ struct gl_texture_object *texObj;
+
+ if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(internalformat = %s)", dims,
_mesa_lookup_enum_by_nr(internalformat));
return GL_TRUE;
}
- /* levels check */
- if (levels < 1 || height < 1 || depth < 1) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
- dims);
- return GL_TRUE;
- }
-
/* target check */
if (!legal_texobj_target(ctx, dims, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
return GL_TRUE;
}
- /* check levels against maximum */
- if (levels > _mesa_max_texture_levels(ctx, target)) {
+ /* levels check */
+ if (levels < 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
+ dims);
+ return GL_TRUE;
+ }
+
+ /* check levels against maximum (note different error than above) */
+ if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(levels too large)", dims);
return GL_TRUE;
}
/* check levels against width/height/depth */
- maxDim = MAX3(width, height, depth);
- if (levels > _mesa_logbase2(maxDim) + 1) {
+ if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(too many levels for max texture dimension)",
dims);
/* non-default texture object check */
texObj = _mesa_get_current_tex_object(ctx, target);
- if (!texObj || (texObj->Name == 0)) {
+ if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(texture object 0)", dims);
return GL_TRUE;
}
/* Check if texObj->Immutable is set */
- if (texObj->Immutable) {
+ if (!_mesa_is_proxy_texture(target) && texObj->Immutable) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
dims);
return GL_TRUE;
}
texObj->Immutable = GL_TRUE;
+ texObj->ImmutableLevels = levels;
}
}
projects / mesa.git / blobdiff