Module: Mesa
Branch: master
Commit: 194ede4bf97547ce8a61587ede0b0a5054955783
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=194ede4bf97547ce8a61587ede0b0a5054955783

Author: Alex Deucher <[email protected]>
Date:   Fri Oct  9 15:44:32 2009 -0400

radeon: fix scissor regression

fixes fdo bug 24248

---

 src/mesa/drivers/dri/r600/r700_state.c      |   10 +++++++---
 src/mesa/drivers/dri/radeon/radeon_common.c |    9 ++++-----
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_state.c 
b/src/mesa/drivers/dri/r600/r700_state.c
index 124469b..98f116d 100644
--- a/src/mesa/drivers/dri/r600/r700_state.c
+++ b/src/mesa/drivers/dri/r600/r700_state.c
@@ -1269,11 +1269,15 @@ void r700SetScissor(context_t *context) 
//---------------
                return;
        }
        if (context->radeon.state.scissor.enabled) {
-               /* r600 has exclusive scissors */
                x1 = context->radeon.state.scissor.rect.x1;
                y1 = context->radeon.state.scissor.rect.y1;
-               x2 = context->radeon.state.scissor.rect.x2 + 1;
-               y2 = context->radeon.state.scissor.rect.y2 + 1;
+               x2 = context->radeon.state.scissor.rect.x2;
+               y2 = context->radeon.state.scissor.rect.y2;
+               /* r600 has exclusive BR scissors */
+               if (context->radeon.radeonScreen->kernel_mm) {
+                       x2++;
+                       y2++;
+               }
        } else {
                if (context->radeon.radeonScreen->driScreen->dri2.enabled) {
                        x1 = 0;
diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c 
b/src/mesa/drivers/dri/radeon/radeon_common.c
index 9817ff8..8032cbc 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -229,16 +229,15 @@ void radeonUpdateScissor( GLcontext *ctx )
        }
        if (!rmesa->radeonScreen->kernel_mm) {
           /* Fix scissors for dri 1 */
-
           __DRIdrawablePrivate *dPriv = radeon_get_drawable(rmesa);
           x1 += dPriv->x;
-          x2 += dPriv->x;
+          x2 += dPriv->x + 1;
           min_x += dPriv->x;
-          max_x += dPriv->x;
+          max_x += dPriv->x + 1;
           y1 += dPriv->y;
-          y2 += dPriv->y;
+          y2 += dPriv->y + 1;
           min_y += dPriv->y;
-          max_y += dPriv->y;
+          max_y += dPriv->y + 1;
        }
 
        rmesa->state.scissor.rect.x1 = CLAMP(x1,  min_x, max_x);

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