From adf33a1c6f087075b65f0fbc756839481a38e10d Mon Sep 17 00:00:00 2001
From: Felix Kuehling <fxkuehl@gmx.de>
Date: Wed, 24 Mar 2004 22:05:25 +0000
Subject: [PATCH] Make sure hardware culling is disabled for unfilled
 primitives, points and lines.

---
 src/mesa/drivers/dri/savage/savageioctl.c |  4 ++++
 src/mesa/drivers/dri/savage/savagestate.c |  2 +-
 src/mesa/drivers/dri/savage/savagetris.c  | 38 +++++++++++++++++++------------
 3 files changed, 29 insertions(+), 15 deletions(-)

diff --git a/src/mesa/drivers/dri/savage/savageioctl.c b/src/mesa/drivers/dri/savage/savageioctl.c
index 8b94619..1384ce6 100644
--- a/src/mesa/drivers/dri/savage/savageioctl.c
+++ b/src/mesa/drivers/dri/savage/savageioctl.c
@@ -412,6 +412,10 @@ void savageFlushVerticesLocked( savageContextPtr imesa )
      * in savagedma.c that emits drawing commands. Cliprects are not handled
      * yet. */
     if (buffer->used) {
+	/* State must be updated "per primitive" because hardware
+	 * culling must be disabled for unfilled primitives, points
+	 * and lines. */
+	savageEmitHwStateLocked (imesa);
 	savageFakeVertices (imesa, buffer);
     }
 }
diff --git a/src/mesa/drivers/dri/savage/savagestate.c b/src/mesa/drivers/dri/savage/savagestate.c
index 2542b1d..cd6ba7e 100644
--- a/src/mesa/drivers/dri/savage/savagestate.c
+++ b/src/mesa/drivers/dri/savage/savagestate.c
@@ -1584,6 +1584,7 @@ void savageEmitHwStateLocked( savageContextPtr imesa )
 
     if (imesa->dirty & ~SAVAGE_UPLOAD_CLIPRECTS)
     {
+        savageUpdateCull(imesa->glCtx);
         if (imesa->dirty & (SAVAGE_UPLOAD_CTX | SAVAGE_UPLOAD_TEX0  | \
                             SAVAGE_UPLOAD_TEX1 | SAVAGE_UPLOAD_BUFFERS))
         {
@@ -1832,7 +1833,6 @@ void savageDDRenderStart(GLcontext *ctx)
         /* set scissor to the first clip box*/
         savageDDScissor(ctx,pbox->x1,pbox->y1,pbox->x2,pbox->y2);
 
-        savageUpdateCull(ctx);
         savageDDUpdateHwState(ctx); /* update to hardware register*/
     }
     else /* need not render at all*/
diff --git a/src/mesa/drivers/dri/savage/savagetris.c b/src/mesa/drivers/dri/savage/savagetris.c
index c8bd576..13772df 100644
--- a/src/mesa/drivers/dri/savage/savagetris.c
+++ b/src/mesa/drivers/dri/savage/savagetris.c
@@ -56,6 +56,21 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 static void savageRasterPrimitive( GLcontext *ctx, GLuint prim );
 static void savageRenderPrimitive( GLcontext *ctx, GLenum prim );
+
+
+static GLenum reduced_prim[GL_POLYGON+1] = {
+   GL_POINTS,
+   GL_LINES,
+   GL_LINES,
+   GL_LINES,
+   GL_TRIANGLES,
+   GL_TRIANGLES,
+   GL_TRIANGLES,
+   GL_TRIANGLES,
+   GL_TRIANGLES,
+   GL_TRIANGLES
+};
+
  
 /***********************************************************************
  *                    Emit primitives                                  *
@@ -311,7 +326,8 @@ do {								\
  *                Helpers for rendering unfilled primitives            *
  ***********************************************************************/
 
-#define RASTERIZE(x)
+#define RASTERIZE(x) if (imesa->raster_primitive != reduced_prim[x]) \
+                        savageRasterPrimitive( ctx, x )
 #define RENDER_PRIMITIVE imesa->render_primitive
 #define IND SAVAGE_FALLBACK_BIT
 #define TAG(x) x
@@ -644,19 +660,6 @@ static void savageRunPipeline( GLcontext *ctx )
 /*                 High level hooks for t_vb_render.c                 */
 /**********************************************************************/
 
-static GLenum reduced_prim[GL_POLYGON+1] = {
-   GL_POINTS,
-   GL_LINES,
-   GL_LINES,
-   GL_LINES,
-   GL_TRIANGLES,
-   GL_TRIANGLES,
-   GL_TRIANGLES,
-   GL_TRIANGLES,
-   GL_TRIANGLES,
-   GL_TRIANGLES
-};
-
 /* This is called when Mesa switches between rendering triangle
  * primitives (such as GL_POLYGON, GL_QUADS, GL_TRIANGLE_STRIP, etc),
  * and lines, points and bitmaps.
@@ -670,6 +673,8 @@ static void savageRasterPrimitive( GLcontext *ctx, GLuint prim )
 {
    savageContextPtr imesa = SAVAGE_CONTEXT( ctx );
 
+   FLUSH_BATCH(imesa);
+
    /* Update culling */
    if (imesa->raster_primitive != prim)
       imesa->dirty |= SAVAGE_UPLOAD_CTX;
@@ -795,6 +800,11 @@ static void savageRenderFinish( GLcontext *ctx )
    /* Release the lock */
    savageDDRenderEnd( ctx );
 
+   /* Flush the last primitive now, before any state is changed.
+    * Alternatively state could be emitted in all state-changing
+    * functions in savagestate.c. */
+   FLUSH_BATCH(SAVAGE_CONTEXT(ctx));
+
    if (SAVAGE_CONTEXT(ctx)->RenderIndex & SAVAGE_FALLBACK_BIT)
       _swrast_flush( ctx );
 }
-- 
2.7.4