mesa: Change "BRIAN PAUL" to "THE AUTHORS" in license text.

[mesa.git] / src / mesa / main / texobj.h

diff --git a/src/mesa/main/texobj.h b/src/mesa/main/texobj.h
index 03dfbe3045d3f29694e207469092e8b3f6f0d5fd..6ae1cf27bb8b05accb50cd6ebe0f410d70c7fdba 100644 (file)
--- a/src/mesa/main/texobj.h
+++ b/src/mesa/main/texobj.h
@@ -22,7 +22,7 @@
  * 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
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * 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.
  */
@@ -35,6 +35,7 @@
 #include "compiler.h"
 #include "glheader.h"
 #include "mtypes.h"
+#include "samplerobj.h"
 
 
 /**
@@ -77,6 +78,45 @@ _mesa_reference_texobj(struct gl_texture_object **ptr,
 }
 
 
+/**
+ * Return number of faces for a texture target.  This will be 6 for
+ * cube maps (and cube map arrays) and 1 otherwise.
+ * NOTE: this function is not used for cube map arrays which operate
+ * more like 2D arrays than cube maps.
+ */
+static inline GLuint
+_mesa_num_tex_faces(GLenum target)
+{
+   switch (target) {
+   case GL_TEXTURE_CUBE_MAP:
+   case GL_PROXY_TEXTURE_CUBE_MAP:
+      return 6;
+   default:
+      return 1;
+   }
+}
+
+
+/** Is the texture "complete" with respect to the given sampler state? */
+static inline GLboolean
+_mesa_is_texture_complete(const struct gl_texture_object *texObj,
+                          const struct gl_sampler_object *sampler)
+{
+   if (texObj->_IsIntegerFormat &&
+       (sampler->MagFilter != GL_NEAREST ||
+        (sampler->MinFilter != GL_NEAREST &&
+         sampler->MinFilter != GL_NEAREST_MIPMAP_NEAREST))) {
+      /* If the format is integer, only nearest filtering is allowed */
+      return GL_FALSE;
+   }
+
+   if (_mesa_is_mipmap_filter(sampler))
+      return texObj->_MipmapComplete;
+   else
+      return texObj->_BaseComplete;
+}
+
+
 extern void
 _mesa_test_texobj_completeness( const struct gl_context *ctx,
                                 struct gl_texture_object *obj );
@@ -91,6 +131,9 @@ _mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
 extern struct gl_texture_object *
 _mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex);
 
+extern GLuint
+_mesa_total_texture_memory(struct gl_context *ctx);
+
 extern void
 _mesa_unlock_context_textures( struct gl_context *ctx );
 
@@ -128,6 +171,14 @@ _mesa_AreTexturesResident( GLsizei n, const GLuint *textures,
 extern GLboolean GLAPIENTRY
 _mesa_IsTexture( GLuint texture );
 
+extern void GLAPIENTRY
+_mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset,
+                            GLint yoffset, GLint zoffset, GLsizei width,
+                            GLsizei height, GLsizei depth);
+
+extern void GLAPIENTRY
+_mesa_InvalidateTexImage(GLuint texture, GLint level);
+
 /*@}*/