mesa: reimplement IROUND(), add F_TO_I()

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

diff --git a/src/mesa/main/texobj.h b/src/mesa/main/texobj.h
index 9bfebd45c818fdafad609ed041699ac50b38b18b..23e1ade090c10e5c72873e031d8b93903d63ddfc 100644 (file)
--- a/src/mesa/main/texobj.h
+++ b/src/mesa/main/texobj.h
@@ -32,7 +32,10 @@
 #define TEXTOBJ_H
 
 
+#include "compiler.h"
+#include "glheader.h"
 #include "mtypes.h"
+#include "samplerobj.h"
 
 
 /**
@@ -41,45 +44,82 @@
 /*@{*/
 
 extern struct gl_texture_object *
-_mesa_lookup_texture(GLcontext *ctx, GLuint id);
+_mesa_lookup_texture(struct gl_context *ctx, GLuint id);
 
 extern struct gl_texture_object *
-_mesa_new_texture_object( GLcontext *ctx, GLuint name, GLenum target );
+_mesa_new_texture_object( struct gl_context *ctx, GLuint name, GLenum target );
 
 extern void
 _mesa_initialize_texture_object( struct gl_texture_object *obj,
                                  GLuint name, GLenum target );
 
 extern void
-_mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *obj );
+_mesa_delete_texture_object( struct gl_context *ctx,
+                             struct gl_texture_object *obj );
 
 extern void
 _mesa_copy_texture_object( struct gl_texture_object *dest,
                            const struct gl_texture_object *src );
 
 extern void
-_mesa_clear_texture_object(GLcontext *ctx, struct gl_texture_object *obj);
+_mesa_clear_texture_object(struct gl_context *ctx,
+                           struct gl_texture_object *obj);
 
 extern void
+_mesa_reference_texobj_(struct gl_texture_object **ptr,
+                        struct gl_texture_object *tex);
+
+static inline void
 _mesa_reference_texobj(struct gl_texture_object **ptr,
-                       struct gl_texture_object *tex);
+                       struct gl_texture_object *tex)
+{
+   if (*ptr != tex)
+      _mesa_reference_texobj_(ptr, tex);
+}
+
+
+/** 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 GLcontext *ctx,
+_mesa_test_texobj_completeness( const struct gl_context *ctx,
                                 struct gl_texture_object *obj );
 
+extern GLboolean
+_mesa_cube_complete(const struct gl_texture_object *texObj);
+
 extern void
-_mesa_dirty_texobj(GLcontext *ctx, struct gl_texture_object *texObj,
+_mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
                    GLboolean invalidate_state);
 
 extern struct gl_texture_object *
-_mesa_get_fallback_texture(GLcontext *ctx);
+_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( GLcontext *ctx );
+_mesa_unlock_context_textures( struct gl_context *ctx );
 
 extern void
-_mesa_lock_context_textures( GLcontext *ctx );
+_mesa_lock_context_textures( struct gl_context *ctx );
 
 /*@}*/