1 files changed, 31 insertions, 26 deletions

diff --git a/src/mesa/drivers/dri/radeon/radeon_common_context.c b/src/mesa/drivers/dri/radeon/radeon_common_context.c
index 71f70d724b..5c68bf5df6 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common_context.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common_context.c
@@ -499,7 +499,8 @@ radeon_bits_per_pixel(const struct radeon_renderbuffer *rb)
 }
 
 void
-radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
+radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable,
+			    GLboolean front_only)
 {
 	unsigned int attachments[10];
 	__DRIbuffer *buffers = NULL;
@@ -525,7 +526,7 @@ radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
 		struct radeon_renderbuffer *stencil_rb;
 
 		i = 0;
-		if ((radeon->is_front_buffer_rendering ||
+		if ((front_only || radeon->is_front_buffer_rendering ||
 		     radeon->is_front_buffer_reading ||
 		     !draw->color_rb[1])
 		    && draw->color_rb[0]) {
@@ -533,23 +534,25 @@ radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
 			attachments[i++] = radeon_bits_per_pixel(draw->color_rb[0]);
 		}
 
-		if (draw->color_rb[1]) {
-			attachments[i++] = __DRI_BUFFER_BACK_LEFT;
-			attachments[i++] = radeon_bits_per_pixel(draw->color_rb[1]);
-		}
+		if (!front_only) {
+			if (draw->color_rb[1]) {
+				attachments[i++] = __DRI_BUFFER_BACK_LEFT;
+				attachments[i++] = radeon_bits_per_pixel(draw->color_rb[1]);
+			}
 
-		depth_rb = radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH);
-		stencil_rb = radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL);
-
-		if ((depth_rb != NULL) && (stencil_rb != NULL)) {
-			attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL;
-			attachments[i++] = radeon_bits_per_pixel(depth_rb);
-		} else if (depth_rb != NULL) {
-			attachments[i++] = __DRI_BUFFER_DEPTH;
-			attachments[i++] = radeon_bits_per_pixel(depth_rb);
-		} else if (stencil_rb != NULL) {
-			attachments[i++] = __DRI_BUFFER_STENCIL;
-			attachments[i++] = radeon_bits_per_pixel(stencil_rb);
+			depth_rb = radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH);
+			stencil_rb = radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL);
+
+			if ((depth_rb != NULL) && (stencil_rb != NULL)) {
+				attachments[i++] = __DRI_BUFFER_DEPTH_STENCIL;
+				attachments[i++] = radeon_bits_per_pixel(depth_rb);
+			} else if (depth_rb != NULL) {
+				attachments[i++] = __DRI_BUFFER_DEPTH;
+				attachments[i++] = radeon_bits_per_pixel(depth_rb);
+			} else if (stencil_rb != NULL) {
+				attachments[i++] = __DRI_BUFFER_STENCIL;
+				attachments[i++] = radeon_bits_per_pixel(stencil_rb);
+			}
 		}
 
 		buffers = (*screen->dri2.loader->getBuffersWithFormat)(drawable,
@@ -562,12 +565,14 @@ radeon_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
 		i = 0;
 		if (draw->color_rb[0])
 			attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
-		if (draw->color_rb[1])
-			attachments[i++] = __DRI_BUFFER_BACK_LEFT;
-		if (radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH))
-			attachments[i++] = __DRI_BUFFER_DEPTH;
-		if (radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL))
-			attachments[i++] = __DRI_BUFFER_STENCIL;
+		if (!front_only) {
+			if (draw->color_rb[1])
+				attachments[i++] = __DRI_BUFFER_BACK_LEFT;
+			if (radeon_get_renderbuffer(&draw->base, BUFFER_DEPTH))
+				attachments[i++] = __DRI_BUFFER_DEPTH;
+			if (radeon_get_renderbuffer(&draw->base, BUFFER_STENCIL))
+				attachments[i++] = __DRI_BUFFER_STENCIL;
+		}
 
 		buffers = (*screen->dri2.loader->getBuffers)(drawable,
 								 &drawable->w,
@@ -735,9 +740,9 @@ GLboolean radeonMakeCurrent(__DRIcontextPrivate * driContextPriv,
 	readfb = driReadPriv->driverPrivate;
 
 	if (driContextPriv->driScreenPriv->dri2.enabled) {
-		radeon_update_renderbuffers(driContextPriv, driDrawPriv);
+		radeon_update_renderbuffers(driContextPriv, driDrawPriv, GL_FALSE);
 		if (driDrawPriv != driReadPriv)
-			radeon_update_renderbuffers(driContextPriv, driReadPriv);
+			radeon_update_renderbuffers(driContextPriv, driReadPriv, GL_FALSE);
 		_mesa_reference_renderbuffer(&radeon->state.color.rb,
 			&(radeon_get_renderbuffer(&drfb->base, BUFFER_BACK_LEFT)->base));
 		_mesa_reference_renderbuffer(&radeon->state.depth.rb,