Major check-in of changes for GL_EXT_framebuffer_object extension.

Main driver impacts:
- new code for creating the Mesa GLframebuffer
- new span/pixel read/write code
Some drivers not yet updated/tested.

1 files changed, 84 insertions, 0 deletions

diff --git a/src/mesa/main/renderbuffer.h b/src/mesa/main/renderbuffer.h
new file mode 100644
index 0000000000..5c11de7c8a
--- /dev/null
+++ b/src/mesa/main/renderbuffer.h
@@ -0,0 +1,84 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.3
+ *
+ * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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.
+ */
+
+
+#ifndef RENDERBUFFER_H
+#define RENDERBUFFER_H
+
+
+extern void
+_mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name);
+
+extern struct gl_renderbuffer *
+_mesa_new_renderbuffer(GLcontext *ctx, GLuint name);
+
+extern void
+_mesa_delete_renderbuffer(struct gl_renderbuffer *rb);
+
+
+extern struct gl_renderbuffer *
+_mesa_new_soft_renderbuffer(GLcontext *ctx, GLuint name);
+
+
+extern GLboolean
+_mesa_add_color_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
+                              GLuint rgbBits, GLuint alphaBits,
+                              GLboolean frontLeft, GLboolean backLeft,
+                              GLboolean frontRight, GLboolean backRight);
+
+extern GLboolean
+_mesa_add_color_index_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
+                                    GLuint indexBits,
+                                    GLboolean frontLeft, GLboolean backLeft,
+                                    GLboolean frontRight, GLboolean backRight);
+
+extern GLboolean
+_mesa_add_alpha_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
+                              GLuint alphaBits,
+                              GLboolean frontLeft, GLboolean backLeft,
+                              GLboolean frontRight, GLboolean backRight);
+
+extern GLboolean
+_mesa_add_depth_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
+                             GLuint depthBits);
+
+extern GLboolean
+_mesa_add_stencil_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
+                               GLuint stencilBits);
+
+
+extern GLboolean
+_mesa_add_accum_renderbuffer(GLcontext *ctx, struct gl_framebuffer *fb,
+                             GLuint redBits, GLuint greenBits,
+                             GLuint blueBits, GLuint alphaBits);
+
+extern GLboolean
+_mesa_add_aux_renderbuffers(GLcontext *ctx, struct gl_framebuffer *fb,
+                            GLuint bits, GLuint numBuffers);
+
+extern void
+_mesa_add_renderbuffer(struct gl_framebuffer *fb,
+                       GLuint bufferName, struct gl_renderbuffer *rb);
+
+#endif /* RENDERBUFFER_H */