From: Alan Hourihane <alanh@tungstengraphics.com>
Date: Thu, 13 Jan 2005 10:20:16 +0000 (+0000)
Subject: Fix glean scissor test
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=db93e6165e437ca76c4fecd238e0243c1472a42e;p=mesa.git

Fix glean scissor test
---

diff --git a/src/mesa/drivers/dri/unichrome/via_context.c b/src/mesa/drivers/dri/unichrome/via_context.c
index e48df63d0b9..0c52374d603 100644
--- a/src/mesa/drivers/dri/unichrome/via_context.c
+++ b/src/mesa/drivers/dri/unichrome/via_context.c
@@ -676,6 +676,11 @@ viaMakeCurrent(__DRIcontextPrivate *driContextPriv,
 	
 	_mesa_update_state(vmesa->glCtx);
 	viaValidateState(vmesa->glCtx);
+	ctx->Driver.Scissor(vmesa->glCtx,
+			    vmesa->glCtx->Scissor.X,
+			    vmesa->glCtx->Scissor.Y,
+			    vmesa->glCtx->Scissor.Width,
+			    vmesa->glCtx->Scissor.Height);
     }
     else {
         _mesa_make_current(0,0);
diff --git a/src/mesa/drivers/dri/unichrome/via_ioctl.c b/src/mesa/drivers/dri/unichrome/via_ioctl.c
index efb7cf6b6cf..c7b616f4057 100644
--- a/src/mesa/drivers/dri/unichrome/via_ioctl.c
+++ b/src/mesa/drivers/dri/unichrome/via_ioctl.c
@@ -665,10 +665,10 @@ void viaFlushDmaLocked(viaContextPtr vmesa, GLuint flags)
 	 b.y1 = pbox[i].y1 - vmesa->drawY;
 	 b.y2 = pbox[i].y2 - vmesa->drawY;
 
-	 if (vmesa->glCtx->Scissor.Enabled &&
+	 if (vmesa->scissor &&
 	     !intersect_rect(&b, &b, &vmesa->scissorRect)) 
 	    continue;
-	 
+
 	 b.x1 += vmesa->drawXoff;
 	 b.x2 += vmesa->drawXoff;
 
diff --git a/src/mesa/drivers/dri/unichrome/via_state.c b/src/mesa/drivers/dri/unichrome/via_state.c
index 49782c78aa6..fffea017895 100644
--- a/src/mesa/drivers/dri/unichrome/via_state.c
+++ b/src/mesa/drivers/dri/unichrome/via_state.c
@@ -612,14 +612,15 @@ static void viaScissor(GLcontext *ctx, GLint x, GLint y,
     if (VIA_DEBUG)
        fprintf(stderr, "%s %d,%d %dx%d, drawH %d\n", __FUNCTION__, x,y,w,h, vmesa->driDrawable->h);
 
-    if (ctx->Scissor.Enabled) {
+    if (vmesa->scissor) {
         VIA_FLUSH_DMA(vmesa); /* don't pipeline cliprect changes */
     }
 
     vmesa->scissorRect.x1 = x;
-    vmesa->scissorRect.y1 = vmesa->driDrawable->h - (y + h);
+    vmesa->scissorRect.y1 = vmesa->driDrawable->h - y - h;
     vmesa->scissorRect.x2 = x + w;
     vmesa->scissorRect.y2 = vmesa->driDrawable->h - y;
+
     if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__);    
 }
 
@@ -630,6 +631,7 @@ static void viaEnable(GLcontext *ctx, GLenum cap, GLboolean state)
    switch (cap) {
    case GL_SCISSOR_TEST:
       VIA_FLUSH_DMA(vmesa);
+      vmesa->scissor = state;
       break;
    default:
       break;