swrast: add s_renderbuffer.[ch], copied from main/renderbuffer.[ch]

Copying these files is the first step in moving the software buffer
code from main/renderbuffer.c to swrast/s_renderbuffer.c

Reviewed-by: Eric Anholt <eric@anholt.net>

1 files changed, 96 insertions, 0 deletions

diff --git a/src/mesa/swrast/s_renderbuffer.h b/src/mesa/swrast/s_renderbuffer.h
new file mode 100644
index 0000000..7b7484c
--- /dev/null
+++ b/src/mesa/swrast/s_renderbuffer.h
@@ -0,0 +1,96 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5
+ *
+ * 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
+
+#include "glheader.h"
+#include "mtypes.h"
+
+struct gl_context;
+struct gl_framebuffer;
+struct gl_renderbuffer;
+
+extern void
+_mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name);
+
+extern struct gl_renderbuffer *
+_mesa_new_renderbuffer(struct gl_context *ctx, GLuint name);
+
+extern void
+_mesa_delete_renderbuffer(struct gl_renderbuffer *rb);
+
+
+extern struct gl_renderbuffer *
+_mesa_new_soft_renderbuffer(struct gl_context *ctx, GLuint name);
+
+void
+_mesa_map_soft_renderbuffer(struct gl_context *ctx,
+			    struct gl_renderbuffer *rb,
+			    GLuint x, GLuint y, GLuint w, GLuint h,
+			    GLbitfield mode,
+			    GLubyte **out_map,
+			    GLint *out_stride);
+
+void
+_mesa_unmap_soft_renderbuffer(struct gl_context *ctx,
+			      struct gl_renderbuffer *rb);
+
+extern void
+_mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb);
+
+
+extern void
+_mesa_add_soft_renderbuffers(struct gl_framebuffer *fb,
+                             GLboolean color,
+                             GLboolean depth,
+                             GLboolean stencil,
+                             GLboolean accum,
+                             GLboolean alpha,
+                             GLboolean aux);
+
+extern void
+_mesa_add_renderbuffer(struct gl_framebuffer *fb,
+                       gl_buffer_index bufferName, struct gl_renderbuffer *rb);
+
+extern void
+_mesa_remove_renderbuffer(struct gl_framebuffer *fb,
+                          gl_buffer_index bufferName);
+
+extern void
+_mesa_reference_renderbuffer_(struct gl_renderbuffer **ptr,
+                              struct gl_renderbuffer *rb);
+
+static inline void
+_mesa_reference_renderbuffer(struct gl_renderbuffer **ptr,
+                             struct gl_renderbuffer *rb)
+{
+   if (*ptr != rb)
+      _mesa_reference_renderbuffer_(ptr, rb);
+}
+      
+
+
+#endif /* RENDERBUFFER_H */