Mesa (master): st/xorg: fix xv

[Zack Rusin]

Module: Mesa
Branch: master
Commit: 2947d1420270476730711892909c3683bb6c5bff
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2947d1420270476730711892909c3683bb6c5bff

Author: Zack Rusin <zackr at vmware.com>
Date:   Sun Oct 25 12:19:38 2009 -0400

st/xorg: fix xv

---

 src/gallium/state_trackers/xorg/xorg_exa_tgsi.c |   13 +++++--------
 src/gallium/state_trackers/xorg/xorg_renderer.c |    1 +
 src/gallium/state_trackers/xorg/xorg_xv.c       |   16 +++++++++++++++-
 3 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
index 30fcff8..83cc12f 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
@@ -259,14 +259,6 @@ create_vs(struct pipe_context *pipe,
       src = ureg_DECL_vs_input(ureg, input_slot++);
       dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0);
       ureg_MOV(ureg, dst, src);
-
-      src = ureg_DECL_vs_input(ureg, input_slot++);
-      dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 1);
-      ureg_MOV(ureg, dst, src);
-
-      src = ureg_DECL_vs_input(ureg, input_slot++);
-      dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 2);
-      ureg_MOV(ureg, dst, src);
    }
 
    if (is_composite) {
@@ -328,6 +320,11 @@ create_yuv_shader(struct pipe_context *pipe, struct ureg_program *ureg)
    ureg_TEX(ureg, v,
             TGSI_TEXTURE_2D, pos, v_sampler);
 
+   ureg_SUB(ureg, u, ureg_src(u),
+            ureg_scalar(matrow0, TGSI_SWIZZLE_W));
+   ureg_SUB(ureg, v, ureg_src(v),
+            ureg_scalar(matrow0, TGSI_SWIZZLE_W));
+
    ureg_MUL(ureg, rgb,
             ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X),
             matrow0);
diff --git a/src/gallium/state_trackers/xorg/xorg_renderer.c b/src/gallium/state_trackers/xorg/xorg_renderer.c
index ec5268f..a740e86 100644
--- a/src/gallium/state_trackers/xorg/xorg_renderer.c
+++ b/src/gallium/state_trackers/xorg/xorg_renderer.c
@@ -869,6 +869,7 @@ void renderer_draw_textures(struct xorg_renderer *r,
                                   pos[2], pos[3],
                                   width, height,
                                   textures);
+      num_textures = 1;
       break;
    default:
       debug_assert(!"Unsupported number of textures");
diff --git a/src/gallium/state_trackers/xorg/xorg_xv.c b/src/gallium/state_trackers/xorg/xorg_xv.c
index f4b0d56..2a3a42b 100644
--- a/src/gallium/state_trackers/xorg/xorg_xv.c
+++ b/src/gallium/state_trackers/xorg/xorg_xv.c
@@ -22,17 +22,31 @@
 
 
 /* The ITU-R BT.601 conversion matrix for SDTV. */
+/* original, matrix, but we transpose it to
+ * make the shader easier
 static const float bt_601[] = {
-    1.0, 0.0, 1.4075,   0,
+    1.0, 0.0, 1.4075,   ,
     1.0, -0.3455, -0.7169, 0,
     1.0, 1.7790, 0., 0,
+};*/
+static const float bt_601[] = {
+    1.0, 1.0, 1.0,        0.5,
+    0.0, -0.3455, 1.7790, 0,
+    1.4075, -0.7169, 0.,  0,
 };
 
 /* The ITU-R BT.709 conversion matrix for HDTV. */
+/* original, but we transpose to make the conversion
+ * in the shader easier
 static const float bt_709[] = {
     1.0, 0.0, 1.581, 0,
     1.0, -0.1881, -0.47, 0,
     1.0, 1.8629, 0., 0,
+};*/
+static const float bt_709[] = {
+    1.0,   1.0,     1.0,     0.5,
+    0.0,  -0.1881,  1.8629,  0,
+    1.581,-0.47   , 0.0,     0,
 };
 
 #define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)