s/Tungsten Graphics/VMware/

[mesa.git] / src / gallium / drivers / softpipe / sp_fs_exec.c

diff --git a/src/gallium/drivers/softpipe/sp_fs_exec.c b/src/gallium/drivers/softpipe/sp_fs_exec.c
index 27fa126b7c391e5e8e77e34b74af414b804c9206..3188dd14b0663bc8f05f4d588c269b3b1dc471f4 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_fs_exec.c
+++ b/src/gallium/drivers/softpipe/sp_fs_exec.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
@@ -42,38 +42,34 @@
 
 
 /**
- * Subclass of sp_fragment_shader
+ * Subclass of sp_fragment_shader_variant
  */
 struct sp_exec_fragment_shader
 {
-   struct sp_fragment_shader base;
+   struct sp_fragment_shader_variant base;
    /* No other members for now */
 };
 
 
 /** cast wrapper */
 static INLINE struct sp_exec_fragment_shader *
-sp_exec_fragment_shader(const struct sp_fragment_shader *base)
+sp_exec_fragment_shader(const struct sp_fragment_shader_variant *var)
 {
-   return (struct sp_exec_fragment_shader *) base;
+   return (struct sp_exec_fragment_shader *) var;
 }
 
 
 static void
-exec_prepare( const struct sp_fragment_shader *base,
-             struct tgsi_exec_machine *machine,
-             struct tgsi_sampler **samplers )
+exec_prepare( const struct sp_fragment_shader_variant *var,
+              struct tgsi_exec_machine *machine,
+              struct tgsi_sampler *sampler )
 {
    /*
     * Bind tokens/shader to the interpreter's machine state.
-    * Avoid redundant binding.
     */
-   if (machine->Tokens != base->shader.tokens) {
-      tgsi_exec_machine_bind_shader( machine,
-                                     base->shader.tokens,
-                                     PIPE_MAX_SAMPLERS,
-                                     samplers );
-   }
+   tgsi_exec_machine_bind_shader(machine,
+                                 var->tokens,
+                                 sampler);
 }
 
 
@@ -118,7 +114,7 @@ setup_pos_vector(const struct tgsi_interp_coef *coef,
  * interface:
  */
 static unsigned 
-exec_run( const struct sp_fragment_shader *base,
+exec_run( const struct sp_fragment_shader_variant *var,
          struct tgsi_exec_machine *machine,
          struct quad_header *quad )
 {
@@ -136,26 +132,39 @@ exec_run( const struct sp_fragment_shader *base,
 
    /* store outputs */
    {
-      const ubyte *sem_name = base->info.output_semantic_name;
-      const ubyte *sem_index = base->info.output_semantic_index;
-      const uint n = base->info.num_outputs;
+      const ubyte *sem_name = var->info.output_semantic_name;
+      const ubyte *sem_index = var->info.output_semantic_index;
+      const uint n = var->info.num_outputs;
       uint i;
       for (i = 0; i < n; i++) {
          switch (sem_name[i]) {
          case TGSI_SEMANTIC_COLOR:
             {
                uint cbuf = sem_index[i];
+
+               assert(sizeof(quad->output.color[cbuf]) ==
+                      sizeof(machine->Outputs[i]));
+
+               /* copy float[4][4] result */
                memcpy(quad->output.color[cbuf],
-                      &machine->Outputs[i].xyzw[0].f[0],
+                      &machine->Outputs[i],
                       sizeof(quad->output.color[0]) );
             }
             break;
          case TGSI_SEMANTIC_POSITION:
             {
                uint j;
-               for (j = 0; j < 4; j++) {
+
+               for (j = 0; j < 4; j++)
                   quad->output.depth[j] = machine->Outputs[i].xyzw[2].f[j];
-               }
+            }
+            break;
+         case TGSI_SEMANTIC_STENCIL:
+            {
+               uint j;
+
+               for (j = 0; j < 4; j++)
+                  quad->output.stencil[j] = (unsigned)machine->Outputs[i].xyzw[1].f[j];
             }
             break;
          }
@@ -167,29 +176,28 @@ exec_run( const struct sp_fragment_shader *base,
 
 
 static void 
-exec_delete( struct sp_fragment_shader *base )
+exec_delete(struct sp_fragment_shader_variant *var,
+            struct tgsi_exec_machine *machine)
 {
-   FREE((void *) base->shader.tokens);
-   FREE(base);
+   if (machine->Tokens == var->tokens) {
+      tgsi_exec_machine_bind_shader(machine, NULL, NULL);
+   }
+
+   FREE( (void *) var->tokens );
+   FREE(var);
 }
 
 
-struct sp_fragment_shader *
-softpipe_create_fs_exec(struct softpipe_context *softpipe,
-                       const struct pipe_shader_state *templ)
+struct sp_fragment_shader_variant *
+softpipe_create_fs_variant_exec(struct softpipe_context *softpipe,
+                                const struct pipe_shader_state *templ)
 {
    struct sp_exec_fragment_shader *shader;
 
-   /* Decide whether we'll be codegenerating this shader and if so do
-    * that now.
-    */
-
    shader = CALLOC_STRUCT(sp_exec_fragment_shader);
    if (!shader)
       return NULL;
 
-   /* we need to keep a local copy of the tokens */
-   shader->base.shader.tokens = tgsi_dup_tokens(templ->tokens);
    shader->base.prepare = exec_prepare;
    shader->base.run = exec_run;
    shader->base.delete = exec_delete;