Module: Mesa
Branch: nvfx-next-6
Commit: e03ed4fbcd62c89d8cbacc920666463e946338c6
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=e03ed4fbcd62c89d8cbacc920666463e946338c6

Author: Luca Barbieri <[email protected]>
Date:   Thu Mar 11 18:06:28 2010 +0100

nv30: support ARB_texture_rectangle

This uses nv30's _RECT formats.

Note: only an older version was tested on nv30.

---

 src/gallium/drivers/nvfx/nv30_fragtex.c |   21 +++++++++++++++++++--
 src/gallium/drivers/nvfx/nvfx_miptree.c |    3 ++-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/nvfx/nv30_fragtex.c 
b/src/gallium/drivers/nvfx/nv30_fragtex.c
index 319f638..f2f8410 100644
--- a/src/gallium/drivers/nvfx/nv30_fragtex.c
+++ b/src/gallium/drivers/nvfx/nv30_fragtex.c
@@ -37,6 +37,7 @@ nv30_sampler_state_init(struct pipe_context *pipe,
 #define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w)                        
\
 [PIPE_FORMAT_##m] = {                                                          
                    \
   NV34TCL_TX_FORMAT_FORMAT_##tf,                                               
\
+  NV34TCL_TX_FORMAT_FORMAT_##tf##_RECT,                                        
       \
   (NV34TCL_TX_SWIZZLE_S0_X_##ts0x | NV34TCL_TX_SWIZZLE_S0_Y_##ts0y |           
\
    NV34TCL_TX_SWIZZLE_S0_Z_##ts0z | NV34TCL_TX_SWIZZLE_S0_W_##ts0w |           
\
    NV34TCL_TX_SWIZZLE_S1_X_##ts1x | NV34TCL_TX_SWIZZLE_S1_Y_##ts1y |           
\
@@ -45,12 +46,17 @@ nv30_sampler_state_init(struct pipe_context *pipe,
 
 struct nv30_texture_format {
        int     format;
+       int     rect_format;
        int     swizzle;
 };
 
+#define NV34TCL_TX_FORMAT_FORMAT_DXT1_RECT NV34TCL_TX_FORMAT_FORMAT_DXT1
+#define NV34TCL_TX_FORMAT_FORMAT_DXT3_RECT NV34TCL_TX_FORMAT_FORMAT_DXT3
+#define NV34TCL_TX_FORMAT_FORMAT_DXT5_RECT NV34TCL_TX_FORMAT_FORMAT_DXT5
+
 static struct nv30_texture_format
 nv30_texture_formats[PIPE_FORMAT_COUNT] = {
-       [0 ... PIPE_FORMAT_COUNT - 1] = {-1, 0},
+       [0 ... PIPE_FORMAT_COUNT - 1] = {-1, 0, 0},
        _(B8G8R8X8_UNORM, A8R8G8B8,   S1,   S1,   S1,  ONE, X, Y, Z, W),
        _(B8G8R8A8_UNORM, A8R8G8B8,   S1,   S1,   S1,   S1, X, Y, Z, W),
        _(B5G5R5A1_UNORM, A1R5G5B5,   S1,   S1,   S1,   S1, X, Y, Z, W),
@@ -84,7 +90,15 @@ nv30_fragtex_set(struct nvfx_context *nvfx, int unit)
        tf = &nv30_texture_formats[pt->format];
        assert(tf->format >= 0);
 
-       txf  = tf->format;
+       {
+               static int warned = 0;
+               if(!warned && !ps->fmt == !(pt->flags & 
NVFX_RESOURCE_FLAG_LINEAR)) {
+                       warned = 1;
+                       fprintf(stderr, "Coordinate normalization mismatch: are 
you using a non-OpenGL state tracker?\n");
+               }
+       }
+
+       txf  = (pt->flags & NVFX_RESOURCE_FLAG_LINEAR) ? tf->rect_format : 
tf->format;
        txf |= ((pt->last_level>0) ? NV34TCL_TX_FORMAT_MIPMAP : 0);
        txf |= log2i(pt->width0) << NV34TCL_TX_FORMAT_BASE_SIZE_U_SHIFT;
        txf |= log2i(pt->height0) << NV34TCL_TX_FORMAT_BASE_SIZE_V_SHIFT;
@@ -112,6 +126,9 @@ nv30_fragtex_set(struct nvfx_context *nvfx, int unit)
        /* FIXME: specify whether textures are swizzled or not somehow */
        txs = tf->swizzle;
 
+       if(mt->linear_pitch)
+               txs |= mt->linear_pitch << NV34TCL_TX_SWIZZLE_RECT_PITCH_SHIFT;
+
        MARK_RING(chan, 9, 2);
        OUT_RING(chan, RING_3D(NV34TCL_TX_OFFSET(unit), 8));
        OUT_RELOC(chan, bo, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0);
diff --git a/src/gallium/drivers/nvfx/nvfx_miptree.c 
b/src/gallium/drivers/nvfx/nvfx_miptree.c
index 8e7655a..59133b3 100644
--- a/src/gallium/drivers/nvfx/nvfx_miptree.c
+++ b/src/gallium/drivers/nvfx/nvfx_miptree.c
@@ -6,7 +6,7 @@
 #include "util/u_math.h"
 
 #include "nouveau/nouveau_winsys.h"
-#include "nouveau/nouveau_screen.h"
+#include "nvfx_screen.h"
 #include "nvfx_resource.h"
 #include "nvfx_transfer.h"
 #include "state_tracker/drm_api.h"
@@ -31,6 +31,7 @@ nvfx_miptree_choose_format(struct nvfx_miptree *mt)
                || (pt->_usage & PIPE_USAGE_DYNAMIC)
                || util_format_is_s3tc(pt->format)
                || no_swizzle
+               || (~((struct nvfx_screen*)pt->screen)->is_nv4x & (pt->flags & 
PIPE_RESOURCE_FLAG_UNNORMALIZED_COORDS_HINT))
        )
                mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
 

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