From: Dave Airlie <airlied@linux.ie>
Date: Sat, 21 Mar 2009 06:08:20 +0000 (+1000)
Subject: radeon: fixup span code for FBOs
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9368dcb426a97e8fb628b712ac74c7c808a79b9b;p=mesa.git

radeon: fixup span code for FBOs
---

diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c
index 840233ff896..4d7f91e356c 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -132,10 +132,10 @@ void radeonRecalcScissorRects(radeonContextPtr radeon)
 	}
 }
 
-static void radeon_get_cliprects(radeonContextPtr radeon,
-				 struct drm_clip_rect **cliprects,
-				 unsigned int *num_cliprects,
-				 int *x_off, int *y_off)
+void radeon_get_cliprects(radeonContextPtr radeon,
+			  struct drm_clip_rect **cliprects,
+			  unsigned int *num_cliprects,
+			  int *x_off, int *y_off)
 {
 	__DRIdrawablePrivate *dPriv = radeon->dri.drawable;
 	struct radeon_framebuffer *rfb = dPriv->driverPrivate;
diff --git a/src/mesa/drivers/dri/radeon/radeon_common.h b/src/mesa/drivers/dri/radeon/radeon_common.h
index a3fea28a299..528ea9dce4a 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.h
+++ b/src/mesa/drivers/dri/radeon/radeon_common.h
@@ -29,6 +29,10 @@ void radeon_draw_buffer(GLcontext *ctx, struct gl_framebuffer *fb);
 void radeonDrawBuffer( GLcontext *ctx, GLenum mode );
 void radeonReadBuffer( GLcontext *ctx, GLenum mode );
 void radeon_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height);
+void radeon_get_cliprects(radeonContextPtr radeon,
+			  struct drm_clip_rect **cliprects,
+			  unsigned int *num_cliprects,
+			  int *x_off, int *y_off);
 
 void radeon_fbo_init(struct radeon_context *radeon);
 struct gl_renderbuffer *
diff --git a/src/mesa/drivers/dri/radeon/radeon_span.c b/src/mesa/drivers/dri/radeon/radeon_span.c
index 503a1e0b869..7ad170a939c 100644
--- a/src/mesa/drivers/dri/radeon/radeon_span.c
+++ b/src/mesa/drivers/dri/radeon/radeon_span.c
@@ -197,25 +197,48 @@ static GLubyte *radeon_ptr(const struct radeon_renderbuffer * rrb,
  * information.
  */
 #define LOCAL_VARS						\
+   struct radeon_context *radeon = RADEON_CONTEXT(ctx);			\
    struct radeon_renderbuffer *rrb = (void *) rb;		\
-   const __DRIdrawablePrivate *dPriv = rrb->dPriv;		\
-   const GLuint bottom = dPriv->h - 1;				\
+   const GLint yScale = ctx->DrawBuffer->Name ? 1 : -1;			\
+   const GLint yBias = ctx->DrawBuffer->Name ? 0 : rrb->base.Height - 1;\
+   unsigned int num_cliprects;						\
+   struct drm_clip_rect *cliprects;					\
+   int x_off, y_off;							\
    GLuint p;						\
-   (void)p;
+   (void)p;						\
+   radeon_get_cliprects(radeon, &cliprects, &num_cliprects, &x_off, &y_off);
 
 #define LOCAL_DEPTH_VARS				\
+   struct radeon_context *radeon = RADEON_CONTEXT(ctx);			\
    struct radeon_renderbuffer *rrb = (void *) rb;	\
-   const __DRIdrawablePrivate *dPriv = rrb->dPriv;	\
-   const GLuint bottom = dPriv->h - 1;
+   const GLint yScale = ctx->DrawBuffer->Name ? 1 : -1;			\
+   const GLint yBias = ctx->DrawBuffer->Name ? 0 : rrb->base.Height - 1;\
+   unsigned int num_cliprects;						\
+   struct drm_clip_rect *cliprects;					\
+   int x_off, y_off;							\
+  radeon_get_cliprects(radeon, &cliprects, &num_cliprects, &x_off, &y_off);
 
 #define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
 
-#define Y_FLIP(Y) (bottom - (Y))
+#define Y_FLIP(_y) ((_y) * yScale + yBias)
 
 #define HW_LOCK()
 
 #define HW_UNLOCK()
 
+/* XXX FBO: this is identical to the macro in spantmp2.h except we get
+ * the cliprect info from the context, not the driDrawable.
+ * Move this into spantmp2.h someday.
+ */
+#define HW_CLIPLOOP()							\
+   do {									\
+      int _nc = num_cliprects;						\
+      while ( _nc-- ) {							\
+	 int minx = cliprects[_nc].x1 - x_off;				\
+	 int miny = cliprects[_nc].y1 - y_off;				\
+	 int maxx = cliprects[_nc].x2 - x_off;				\
+	 int maxy = cliprects[_nc].y2 - y_off;
+	
 /* ================================================================
  * Color buffer
  */
@@ -454,15 +477,17 @@ void radeonInitSpanFuncs(GLcontext * ctx)
  */
 static void radeonSetSpanFunctions(struct radeon_renderbuffer *rrb)
 {
-	if (rrb->base.InternalFormat == GL_RGB5) {
+	if (rrb->base._ActualFormat == GL_RGB5) {
 		radeonInitPointers_RGB565(&rrb->base);
-	} else if (rrb->base.InternalFormat == GL_RGBA8) {
+	} else if (rrb->base._ActualFormat == GL_RGB8) {
+		radeonInitPointers_ARGB8888(&rrb->base);
+	} else if (rrb->base._ActualFormat == GL_RGBA8) {
 		radeonInitPointers_ARGB8888(&rrb->base);
-	} else if (rrb->base.InternalFormat == GL_DEPTH_COMPONENT16) {
+	} else if (rrb->base._ActualFormat == GL_DEPTH_COMPONENT16) {
 		radeonInitDepthPointers_z16(&rrb->base);
-	} else if (rrb->base.InternalFormat == GL_DEPTH_COMPONENT24) {
+	} else if (rrb->base._ActualFormat == GL_DEPTH_COMPONENT24) {
 		radeonInitDepthPointers_z24_s8(&rrb->base);
-	} else if (rrb->base.InternalFormat == GL_STENCIL_INDEX8_EXT) {
+	} else if (rrb->base._ActualFormat == GL_STENCIL_INDEX8_EXT) {
 		radeonInitStencilPointers_z24_s8(&rrb->base);
 	}
 }