summaryrefslogtreecommitdiffstats
path: root/src/mesa/drivers/dri/r200
diff options
context:
space:
mode:
authorBrian Paul <[email protected]>2005-09-04 22:16:08 +0000
committerBrian Paul <[email protected]>2005-09-04 22:16:08 +0000
commit87ce68e1b305b844f1ff72d79ef68dad48c63fc3 (patch)
tree0ba4077a2ce007b4c9b6f7f94e505daf98e9da88 /src/mesa/drivers/dri/r200
parent61ba6b5a74625a01e07ae267c6e4ebf192434e40 (diff)
Further clean-up and simplification of the span-related functions.
Diffstat (limited to 'src/mesa/drivers/dri/r200')
-rw-r--r--src/mesa/drivers/dri/r200/r200_span.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_span.c b/src/mesa/drivers/dri/r200/r200_span.c
index 7cfed947716..487da280be0 100644
--- a/src/mesa/drivers/dri/r200/r200_span.c
+++ b/src/mesa/drivers/dri/r200/r200_span.c
@@ -46,28 +46,31 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define DBG 0
-#define LOCAL_VARS \
- r200ContextPtr rmesa = R200_CONTEXT(ctx); \
- __DRIscreenPrivate *sPriv = rmesa->dri.screen; \
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable; \
- driRenderbuffer *drb = (driRenderbuffer *) rb; \
- GLuint height = dPriv->h; \
- GLuint p; \
+/*
+ * Note that all information needed to access pixels in a renderbuffer
+ * should be obtained through the gl_renderbuffer parameter, not per-context
+ * information.
+ */
+#define LOCAL_VARS \
+ driRenderbuffer *drb = (driRenderbuffer *) rb; \
+ const __DRIdrawablePrivate *dPriv = drb->dPriv; \
+ const GLuint bottom = dPriv->h - 1; \
+ GLubyte *buf = (GLubyte *) drb->flippedData \
+ + (dPriv->y * drb->flippedPitch + dPriv->x) * drb->cpp; \
+ GLuint p; \
(void) p;
-#define LOCAL_DEPTH_VARS \
- r200ContextPtr rmesa = R200_CONTEXT(ctx); \
- __DRIscreenPrivate *sPriv = rmesa->dri.screen; \
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable; \
- driRenderbuffer *drb = (driRenderbuffer *) rb; \
- GLuint height = dPriv->h; \
- GLuint xo = dPriv->x; \
- GLuint yo = dPriv->y; \
- char *buf = (char *)(sPriv->pFB + drb->offset);
+#define LOCAL_DEPTH_VARS \
+ driRenderbuffer *drb = (driRenderbuffer *) rb; \
+ const __DRIdrawablePrivate *dPriv = drb->dPriv; \
+ const GLuint bottom = dPriv->h - 1; \
+ GLuint xo = dPriv->x; \
+ GLuint yo = dPriv->y; \
+ GLubyte *buf = (GLubyte *) drb->Base.Data;
-#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
+#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
-#define Y_FLIP( _y ) (height - _y - 1)
+#define Y_FLIP(Y) (bottom - (Y))
#define HW_LOCK()
@@ -86,8 +89,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define TAG(x) r200##x##_RGB565
#define TAG2(x,y) r200##x##_RGB565##y
-#define GET_PTR(X,Y) (sPriv->pFB + drb->flippedOffset \
- + ((dPriv->y + (Y)) * drb->flippedPitch + (dPriv->x + (X))) * drb->cpp)
+#define GET_PTR(X,Y) (buf + ((Y) * drb->flippedPitch + (X)) * 2)
#include "spantmp2.h"
/* 32 bit, ARGB8888 color spanline and pixel functions
@@ -97,8 +99,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define TAG(x) r200##x##_ARGB8888
#define TAG2(x,y) r200##x##_ARGB8888##y
-#define GET_PTR(X,Y) (sPriv->pFB + drb->flippedOffset \
- + ((dPriv->y + (Y)) * drb->flippedPitch + (dPriv->x + (X))) * drb->cpp)
+#define GET_PTR(X,Y) (buf + ((Y) * drb->flippedPitch + (X)) * 4)
#include "spantmp2.h"