From f54c725497cac19294e1465413d21a9416d4245f Mon Sep 17 00:00:00 2001
From: Ben Skeggs <darktama@iinet.net.au>
Date: Sun, 24 Dec 2006 00:13:34 +1100
Subject: [PATCH] nouveau: Modify span routines to use nouveau_renderbuffer
 instead of driRenderbuffer

---
 .../drivers/dri/nouveau/nouveau_buffers.c     |  8 +++++++
 src/mesa/drivers/dri/nouveau/nouveau_fifo.c   |  7 ++++++
 src/mesa/drivers/dri/nouveau/nouveau_span.c   | 23 ++++++++++++-------
 3 files changed, 30 insertions(+), 8 deletions(-)

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_buffers.c b/src/mesa/drivers/dri/nouveau/nouveau_buffers.c
index e3e2a8099e2..f6a03ecd9cf 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_buffers.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_buffers.c
@@ -288,6 +288,12 @@ nouveau_build_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
    return GL_TRUE;
 }
 
+static void
+nouveauDrawBuffer(GLcontext *ctx, GLenum buffer)
+{
+   nouveau_build_framebuffer(ctx, ctx->DrawBuffer);
+}
+
 static struct gl_framebuffer *
 nouveauNewFramebuffer(GLcontext *ctx, GLuint name)
 {
@@ -341,6 +347,8 @@ nouveauFinishRenderTexture(GLcontext *ctx,
 void
 nouveauInitBufferFuncs(struct dd_function_table *func)
 {
+   func->DrawBuffer		 = nouveauDrawBuffer;
+
    func->NewFramebuffer		 = nouveauNewFramebuffer;
    func->NewRenderbuffer	 = nouveauNewRenderbuffer;
    func->BindFramebuffer	 = nouveauBindFramebuffer;
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_fifo.c b/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
index 0b745e1e740..fcfc0ebe14c 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_fifo.c
@@ -77,6 +77,12 @@ void nouveauWaitForIdleLocked(nouveauContextPtr nmesa)
 	FIRE_RING();
 	while(RING_AHEAD()>0);
 
+	/* We can't wait on PGRAPH going idle..
+	 *  1) We don't have the regs mapped
+	 *  2) PGRAPH may not go idle with multiple channels active
+	 * Look into replacing this with a NOTIFY/NOP + wait notifier sequence.
+	 */
+#if 0
 	for(i=0;i<1000000;i++) /* 1 second */
 	{
 		switch(nmesa->screen->card->type)
@@ -100,6 +106,7 @@ void nouveauWaitForIdleLocked(nouveauContextPtr nmesa)
 			return;
 		DO_USLEEP(1);
 	}
+#endif
 }
 
 void nouveauWaitForIdle(nouveauContextPtr nmesa)
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_span.c b/src/mesa/drivers/dri/nouveau/nouveau_span.c
index 6d99728b852..74dec66afcf 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_span.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_span.c
@@ -37,12 +37,21 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define HAVE_HW_STENCIL_SPANS	0
 #define HAVE_HW_STENCIL_PIXELS	0
 
+#define HW_CLIPLOOP()							\
+   do {									\
+      int _nc = nmesa->numClipRects;					\
+      while ( _nc-- ) {							\
+	 int minx = nmesa->pClipRects[_nc].x1 - nmesa->drawX;		\
+	 int miny = nmesa->pClipRects[_nc].y1 - nmesa->drawY;		\
+	 int maxx = nmesa->pClipRects[_nc].x2 - nmesa->drawX;		\
+	 int maxy = nmesa->pClipRects[_nc].y2 - nmesa->drawY;
+
 #define LOCAL_VARS							\
    nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);			\
-   __DRIscreenPrivate *sPriv = nmesa->driScreen;			\
-   __DRIdrawablePrivate *dPriv = nmesa->driDrawable;			\
-   driRenderbuffer *drb = (driRenderbuffer *) rb;			\
-   GLuint height = dPriv->h;						\
+   nouveau_renderbuffer *nrb = (nouveau_renderbuffer *)rb;		\
+   GLuint height = nrb->mesa.Height;					\
+   GLubyte *map = (GLubyte *)(nrb->map ? nrb->map : nrb->mem->map) +    \
+	 (nmesa->drawY * nrb->pitch) + (nmesa->drawX * nrb->cpp);       \
    GLuint p;								\
    (void) p;
 
@@ -64,8 +73,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #define TAG(x)    nouveau##x##_RGB565
 #define TAG2(x,y) nouveau##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) (map + (Y)*nrb->pitch + (X)*nrb->cpp)
 #include "spantmp2.h"
 
 
@@ -75,8 +83,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #define TAG(x)    nouveau##x##_ARGB8888
 #define TAG2(x,y) nouveau##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) (map + (Y)*nrb->pitch + (X)*nrb->cpp)
 #include "spantmp2.h"
 
 static void
-- 
2.30.2