X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fframebuffer.h;h=745c1dabf64c84e6192e5201133c2806dff4f09b;hb=e70d0d22a2dccc1df2c88890a2964491cdafac94;hp=13722ea457a9529b61a1a9220ec7778c9897489e;hpb=cd6a31cd4a9ea6deef4778c2eaef2d47240c3a6e;p=mesa.git

diff --git a/src/mesa/main/framebuffer.h b/src/mesa/main/framebuffer.h
index 13722ea457a..745c1dabf64 100644
--- a/src/mesa/main/framebuffer.h
+++ b/src/mesa/main/framebuffer.h
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -17,9 +16,10 @@
  * 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
- * 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.
  */
 
 
@@ -28,6 +28,10 @@
 
 #include "mtypes.h"
 
+struct gl_config;
+struct gl_context;
+struct gl_renderbuffer;
+
 extern struct gl_framebuffer *
 _mesa_create_framebuffer(const struct gl_config *visual);
 
@@ -48,8 +52,16 @@ extern void
 _mesa_free_framebuffer_data(struct gl_framebuffer *buffer);
 
 extern void
+_mesa_reference_framebuffer_(struct gl_framebuffer **ptr,
+                             struct gl_framebuffer *fb);
+
+static inline void
 _mesa_reference_framebuffer(struct gl_framebuffer **ptr,
-                            struct gl_framebuffer *fb);
+                            struct gl_framebuffer *fb)
+{
+   if (*ptr != fb)
+      _mesa_reference_framebuffer_(ptr, fb);
+}
 
 extern void
 _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
@@ -59,26 +71,55 @@ _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
 extern void
 _mesa_resizebuffers( struct gl_context *ctx );
 
-extern void GLAPIENTRY
-_mesa_ResizeBuffersMESA( void );
-
-
-extern void 
-_mesa_update_draw_buffer_bounds(struct gl_context *ctx);
-
 extern void
-_mesa_update_framebuffer_visual(struct gl_framebuffer *fb);
-
+_mesa_scissor_bounding_box(const struct gl_context *ctx,
+                           const struct gl_framebuffer *buffer,
+                           unsigned idx, int *bbox);
 extern void
-_mesa_update_depth_buffer(struct gl_context *ctx, struct gl_framebuffer *fb,
-                            GLuint attIndex);
+_mesa_intersect_scissor_bounding_box(const struct gl_context *ctx,
+                                     unsigned idx, int *bbox);
+
+static inline GLuint
+_mesa_geometric_width(const struct gl_framebuffer *buffer)
+{
+   return buffer->_HasAttachments ?
+      buffer->Width : buffer->DefaultGeometry.Width;
+}
+
+static inline GLuint
+_mesa_geometric_height(const struct gl_framebuffer *buffer)
+{
+   return buffer->_HasAttachments ?
+      buffer->Height : buffer->DefaultGeometry.Height;
+}
+
+static inline GLuint
+_mesa_geometric_samples(const struct gl_framebuffer *buffer)
+{
+   return buffer->_HasAttachments ?
+      buffer->Visual.samples :
+      buffer->DefaultGeometry._NumSamples;
+}
+
+static inline GLuint
+_mesa_geometric_layers(const struct gl_framebuffer *buffer)
+{
+   return buffer->_HasAttachments ?
+      buffer->MaxNumLayers : buffer->DefaultGeometry.Layers;
+}
+
+extern void 
+_mesa_update_draw_buffer_bounds(struct gl_context *ctx,
+                                struct gl_framebuffer *drawFb);
 
 extern void
-_mesa_update_stencil_buffer(struct gl_context *ctx, struct gl_framebuffer *fb,
-                            GLuint attIndex);
+_mesa_update_framebuffer_visual(struct gl_context *ctx,
+				struct gl_framebuffer *fb);
 
 extern void
-_mesa_update_framebuffer(struct gl_context *ctx);
+_mesa_update_framebuffer(struct gl_context *ctx,
+                         struct gl_framebuffer *readFb,
+                         struct gl_framebuffer *drawFb);
 
 extern GLboolean
 _mesa_source_buffer_exists(struct gl_context *ctx, GLenum format);
@@ -92,7 +133,26 @@ _mesa_get_color_read_type(struct gl_context *ctx);
 extern GLenum
 _mesa_get_color_read_format(struct gl_context *ctx);
 
+extern struct gl_renderbuffer *
+_mesa_get_read_renderbuffer_for_format(const struct gl_context *ctx,
+                                       GLenum format);
+
 extern void
 _mesa_print_framebuffer(const struct gl_framebuffer *fb);
 
+extern bool
+_mesa_is_front_buffer_reading(const struct gl_framebuffer *fb);
+
+extern bool
+_mesa_is_front_buffer_drawing(const struct gl_framebuffer *fb);
+
+extern bool
+_mesa_is_multisample_enabled(const struct gl_context *ctx);
+
+extern bool
+_mesa_is_alpha_test_enabled(const struct gl_context *ctx);
+
+extern bool
+_mesa_is_alpha_to_coverage_enabled(const struct gl_context *ctx);
+
 #endif /* FRAMEBUFFER_H */