1 files changed, 134 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_fs.c b/src/gallium/drivers/svga/svga_pipe_fs.c
new file mode 100644
index 00000000000..5f1213e46a3
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_pipe_fs.c
@@ -0,0 +1,134 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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.
+ *
+ **********************************************************/
+
+#include "pipe/p_inlines.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "util/u_bitmask.h"
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_text.h"
+
+#include "svga_screen.h"
+#include "svga_context.h"
+#include "svga_state.h"
+#include "svga_tgsi.h"
+#include "svga_hw_reg.h"
+#include "svga_cmd.h"
+#include "svga_draw.h"
+#include "svga_debug.h"
+
+
+/***********************************************************************
+ * Fragment shaders 
+ */
+
+static void *
+svga_create_fs_state(struct pipe_context *pipe,
+                     const struct pipe_shader_state *templ)
+{
+   struct svga_context *svga = svga_context(pipe);
+   struct svga_screen *svgascreen = svga_screen(pipe->screen);
+   struct svga_fragment_shader *fs;
+
+   fs = CALLOC_STRUCT(svga_fragment_shader);
+   if (!fs)
+      return NULL;
+
+   fs->base.tokens = tgsi_dup_tokens(templ->tokens);
+
+   /* Collect basic info that we'll need later:
+    */
+   tgsi_scan_shader(fs->base.tokens, &fs->base.info);
+
+   fs->base.id = svga->debug.shader_id++;
+   fs->base.use_sm30 = svgascreen->use_ps30;
+   
+   if (SVGA_DEBUG & DEBUG_TGSI || 0) {
+      debug_printf("%s id: %u, inputs: %u, outputs: %u\n",
+                   __FUNCTION__, fs->base.id,
+                   fs->base.info.num_inputs, fs->base.info.num_outputs);
+   }
+
+   return fs;
+}
+
+static void
+svga_bind_fs_state(struct pipe_context *pipe, void *shader)
+{
+   struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
+   struct svga_context *svga = svga_context(pipe);
+
+   svga->curr.fs = fs;
+   svga->dirty |= SVGA_NEW_FS;
+}
+
+static
+void svga_delete_fs_state(struct pipe_context *pipe, void *shader)
+{
+   struct svga_context *svga = svga_context(pipe);
+   struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
+   struct svga_shader_result *result, *tmp;
+   enum pipe_error ret;
+
+   svga_hwtnl_flush_retry( svga );
+
+   for (result = fs->base.results; result; result = tmp ) {
+      tmp = result->next;
+
+      ret = SVGA3D_DestroyShader(svga->swc, 
+                                 result->id,
+                                 SVGA3D_SHADERTYPE_PS );
+      if(ret != PIPE_OK) {
+         svga_context_flush(svga, NULL);
+         ret = SVGA3D_DestroyShader(svga->swc, 
+                                    result->id,
+                                    SVGA3D_SHADERTYPE_PS );
+         assert(ret == PIPE_OK);
+      }
+
+      util_bitmask_clear( svga->fs_bm, result->id );
+
+      svga_destroy_shader_result( result );
+
+      /*
+       * Remove stale references to this result to ensure a new result on the
+       * same address will be detected as a change.
+       */
+      if(result == svga->state.hw_draw.fs)
+         svga->state.hw_draw.fs = NULL;
+   }
+
+   FREE((void *)fs->base.tokens);
+   FREE(fs);
+}
+
+
+void svga_init_fs_functions( struct svga_context *svga )
+{
+   svga->pipe.create_fs_state = svga_create_fs_state;
+   svga->pipe.bind_fs_state = svga_bind_fs_state;
+   svga->pipe.delete_fs_state = svga_delete_fs_state;
+}
+