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authorBrian Paul <[email protected]>2012-01-16 12:29:15 -0700
committerBrian Paul <[email protected]>2012-01-24 14:12:30 -0700
commit34988272d9c7a889a26bb8bdcb841d44797a5dd6 (patch)
tree4bd3b1c6a8fad2f131828f733e1c00bbe6a6a45a /src/mesa
parent924de7dc96f4607cb3d833637b5f69f4b9e2a6d0 (diff)
swrast: new swrast_renderbuffer type
This will let us move the swrast-specific fields out of gl_renderbuffer.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/swrast/s_context.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h
index 7f1e4c78ee4..f03f0485bcd 100644
--- a/src/mesa/swrast/s_context.h
+++ b/src/mesa/swrast/s_context.h
@@ -168,6 +168,31 @@ swrast_texture_image_const(const struct gl_texture_image *img)
/**
+ * Subclass of gl_renderbuffer with extra fields needed for software
+ * rendering.
+ */
+struct swrast_renderbuffer
+{
+ struct gl_renderbuffer Base;
+
+ GLubyte *Buffer; /**< The malloc'd memory for buffer */
+
+ /** These fields are only valid while buffer is mapped for rendering */
+ GLubyte *Map;
+ GLint RowStride; /**< in bytes */
+};
+
+
+/** cast wrapper */
+static inline struct swrast_renderbuffer *
+swrast_renderbuffer(struct gl_renderbuffer *img)
+{
+ return (struct swrast_renderbuffer *) img;
+}
+
+
+
+/**
* \struct SWcontext
* \brief Per-context state that's private to the software rasterizer module.
*/