Mesa (gallium-0.2): gallium: check vertex shaders for samplers/ texture usage as we do for fragment shaders

[Brian Paul]

Module: Mesa
Branch: gallium-0.2
Commit: 9271662ae9acda08ed6e444d1ee18384eebf8987
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9271662ae9acda08ed6e444d1ee18384eebf8987

Author: Brian <brian.paul at tungstengraphics.com>
Date:   Tue Dec  2 20:10:32 2008 -0700

gallium: check vertex shaders for samplers/texture usage as we do for fragment shaders

---

 src/mesa/state_tracker/st_atom_sampler.c |   20 +++++++++++++-------
 src/mesa/state_tracker/st_atom_texture.c |   20 ++++++++++++++------
 2 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index cef61fb..d7b9043 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -121,24 +121,30 @@ gl_filter_to_img_filter(GLenum filter)
 static void 
 update_samplers(struct st_context *st)
 {
-   const struct st_fragment_program *fs = st->fp;
+   struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current;
+   struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
+   const GLbitfield samplersUsed = (vprog->Base.SamplersUsed |
+                                    fprog->Base.SamplersUsed);
    GLuint su;
 
    st->state.num_samplers = 0;
 
-   /*printf("%s samplers used = 0x%x\n", __FUNCTION__, fs->Base.Base.SamplersUsed);*/
-
    /* loop over sampler units (aka tex image units) */
    for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) {
       struct pipe_sampler_state *sampler = st->state.samplers + su;
 
       memset(sampler, 0, sizeof(*sampler));
 
-      if (fs->Base.Base.SamplersUsed & (1 << su)) {
-         GLuint texUnit = fs->Base.Base.SamplerUnits[su];
-         const struct gl_texture_object *texobj
-            = st->ctx->Texture.Unit[texUnit]._Current;
+      if (samplersUsed & (1 << su)) {
+         struct gl_texture_object *texobj;
+         GLuint texUnit;
+
+         if (fprog->Base.SamplersUsed & (1 << su))
+            texUnit = fprog->Base.SamplerUnits[su];
+         else
+            texUnit = vprog->Base.SamplerUnits[su];
 
+         texobj = st->ctx->Texture.Unit[texUnit]._Current;
          if (!texobj) {
             texobj = st_get_default_texture(st);
          }
diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c
index fb03766..18ffc08 100644
--- a/src/mesa/state_tracker/st_atom_texture.c
+++ b/src/mesa/state_tracker/st_atom_texture.c
@@ -44,22 +44,30 @@
 static void 
 update_textures(struct st_context *st)
 {
+   struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current;
    struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
+   const GLbitfield samplersUsed = (vprog->Base.SamplersUsed |
+                                    fprog->Base.SamplersUsed);
    GLuint su;
 
    st->state.num_textures = 0;
 
-   /*printf("%s samplers used = 0x%x\n", __FUNCTION__, fprog->Base.SamplersUsed);*/
-
+   /* loop over sampler units (aka tex image units) */
    for (su = 0; su < st->ctx->Const.MaxTextureCoordUnits; su++) {
       struct pipe_texture *pt = NULL;
 
-      if (fprog->Base.SamplersUsed & (1 << su)) {
-         const GLuint texUnit = fprog->Base.SamplerUnits[su];
-         struct gl_texture_object *texObj
-            = st->ctx->Texture.Unit[texUnit]._Current;
+      if (samplersUsed & (1 << su)) {
+         struct gl_texture_object *texObj;
          struct st_texture_object *stObj;
          GLboolean flush, retval;
+         GLuint texUnit;
+
+         if (fprog->Base.SamplersUsed & (1 << su))
+            texUnit = fprog->Base.SamplerUnits[su];
+         else
+            texUnit = vprog->Base.SamplerUnits[su];
+
+         texObj = st->ctx->Texture.Unit[texUnit]._Current;
 
          if (!texObj) {
             texObj = st_get_default_texture(st);