Module: Mesa
Branch: master
Commit: d9014a13e72b6682a959217d38050f3252628edb
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=d9014a13e72b6682a959217d38050f3252628edb

Author: Patrice Mandin <[email protected]>
Date:   Fri Oct 23 18:42:21 2009 +0200

nouveau: nv30: Relax some limits. We can render to z24s8 buffer even if color 
buffer is 16 bits.

---

 src/gallium/drivers/nv30/nv30_screen.c   |   10 ++++++++--
 src/gallium/drivers/nv30/nv30_state_fb.c |    2 +-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/nv30/nv30_screen.c 
b/src/gallium/drivers/nv30/nv30_screen.c
index bb40e18..221ae1b 100644
--- a/src/gallium/drivers/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nv30/nv30_screen.c
@@ -102,13 +102,19 @@ nv30_screen_surface_format_supported(struct pipe_screen 
*pscreen,
        struct pipe_surface *front = ((struct nouveau_winsys *) 
pscreen->winsys)->front;
 
        if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
-               return (format == front->format);
+               switch (format) {
+               case PIPE_FORMAT_A8R8G8B8_UNORM:
+               case PIPE_FORMAT_R5G6B5_UNORM:
+                       return TRUE;
+               default:
+                       break;
+               }
        } else
        if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) {
                switch (format) {
                case PIPE_FORMAT_Z24S8_UNORM:
                case PIPE_FORMAT_Z24X8_UNORM:
-                       return (front->format == PIPE_FORMAT_A8R8G8B8_UNORM);
+                       return TRUE;
                case PIPE_FORMAT_Z16_UNORM:
                        return (front->format == PIPE_FORMAT_R5G6B5_UNORM);
                default:
diff --git a/src/gallium/drivers/nv30/nv30_state_fb.c 
b/src/gallium/drivers/nv30/nv30_state_fb.c
index f90681b..4d6a67e 100644
--- a/src/gallium/drivers/nv30/nv30_state_fb.c
+++ b/src/gallium/drivers/nv30/nv30_state_fb.c
@@ -92,7 +92,7 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
                assert(0);
        }
 
-       if (colour_bits != zeta_bits) {
+       if (colour_bits > zeta_bits) {
                return FALSE;
        }
 

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