import Mesa 11.0.6

1 files changed, 65 insertions, 0 deletions

diff --git a/lib/mesa/src/gallium/drivers/svga/svga_shader.h b/lib/mesa/src/gallium/drivers/svga/svga_shader.h
new file mode 100644
index 000000000..5102159b9
--- /dev/null
+++ b/lib/mesa/src/gallium/drivers/svga/svga_shader.h
@@ -0,0 +1,65 @@
+/**********************************************************
+ * Copyright 2008-2012 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.
+ *
+ **********************************************************/
+
+#ifndef SVGA_SHADER_H
+#define SVGA_SHADER_H
+
+#include "svga3d_reg.h"
+
+struct svga_shader_variant;
+
+enum pipe_error
+svga_define_shader(struct svga_context *svga,
+                   SVGA3dShaderType type,
+                   struct svga_shader_variant *variant);
+
+enum pipe_error
+svga_destroy_shader_variant(struct svga_context *svga,
+                            SVGA3dShaderType type,
+                            struct svga_shader_variant *variant);
+
+
+/**
+ * Check if a shader's bytecode exceeds the device limits.
+ */
+static inline boolean
+svga_shader_too_large(const struct svga_context *svga,
+                      const struct svga_shader_variant *variant)
+{
+   if (svga_have_gb_objects(svga)) {
+      return FALSE;
+   }
+
+   if (variant->nr_tokens * sizeof(variant->tokens[0])
+       + sizeof(SVGA3dCmdDefineShader) + sizeof(SVGA3dCmdHeader)
+       < SVGA_CB_MAX_COMMAND_SIZE) {
+      return FALSE;
+   }
+
+   return TRUE;
+}
+
+
+#endif /* SVGA_SHADER_H */