st/xorg: add code to render textured quads for composite acceleration

1 files changed, 8 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c
index 8077c9388f..305d75d520 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa.c
@@ -563,6 +563,7 @@ xorg_exa_init(ScrnInfoPtr pScrn)
    modesettingPtr ms = modesettingPTR(pScrn);
    struct exa_context *exa;
    ExaDriverPtr pExa;
+   int i;
 
    exa = xcalloc(1, sizeof(struct exa_context));
    if (!exa)
@@ -614,6 +615,13 @@ xorg_exa_init(ScrnInfoPtr pScrn)
    /* Share context with DRI */
    ms->ctx = exa->ctx;
 
+   /* common vertex data setup */
+   for (i = 0; i < 4; ++i) {
+      exa->vertices[i][0][3] = 1.0f; /* w */
+      exa->vertices[i][1][2] = 0.0f; /* r */
+      exa->vertices[i][1][3] = 1.0f; /* q */
+   }
+
    exa->cso = cso_create_context(exa->ctx);
    exa->shaders = xorg_shaders_create(exa);