mesa: add support for memory object creation/import/delete

[mesa.git] / src / mesa / main / state.h

diff --git a/src/mesa/main/state.h b/src/mesa/main/state.h
index 55d7b4c1c4b0f522059d809131348e33ba5aa87f..b719f3929650caa707f6657f051d5b040015e062 100644 (file)
--- a/src/mesa/main/state.h
+++ b/src/mesa/main/state.h
@@ -1,51 +1,117 @@
-/* $Id: state.h,v 1.2 2000/05/24 15:04:45 brianp Exp $ */
-
 /*
  * Mesa 3-D graphics library
- * Version:  3.3
- * 
- * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
- * 
+ *
+ * Copyright (C) 1999-2008  Brian Paul   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
- * BRIAN PAUL 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.
+ * 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 STATE_H
 #define STATE_H
 
-#include "types.h"
+#include "mtypes.h"
+
+extern void
+_mesa_update_state(struct gl_context *ctx);
+
+/* As above but can only be called between _mesa_lock_context_textures() and 
+ * _mesa_unlock_context_textures().
+ */
+extern void
+_mesa_update_state_locked(struct gl_context *ctx);
 
 
 extern void
-_mesa_init_no_op_table(struct _glapi_table *exec, GLuint tableSize);
+_mesa_set_varying_vp_inputs(struct gl_context *ctx, GLbitfield64 varying_inputs);
+
 
 extern void
-_mesa_init_exec_table(struct _glapi_table *exec, GLuint tableSize);
+_mesa_set_vp_override(struct gl_context *ctx, GLboolean flag);
+
+
+/**
+ * Is the secondary color needed?
+ */
+static inline GLboolean
+_mesa_need_secondary_color(const struct gl_context *ctx)
+{
+   if (ctx->Light.Enabled &&
+       ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
+       return GL_TRUE;
+
+   if (ctx->Fog.ColorSumEnabled)
+      return GL_TRUE;
+
+   if (ctx->VertexProgram._Current &&
+       (ctx->VertexProgram._Current != ctx->VertexProgram._TnlProgram) &&
+       (ctx->VertexProgram._Current->info.inputs_read & VERT_BIT_COLOR1))
+      return GL_TRUE;
+
+   if (ctx->FragmentProgram._Current &&
+       (ctx->FragmentProgram._Current != ctx->FragmentProgram._TexEnvProgram) &&
+       (ctx->FragmentProgram._Current->info.inputs_read & VARYING_BIT_COL1))
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
+
+static inline bool
+_mesa_arb_vertex_program_enabled(const struct gl_context *ctx)
+{
+   return ctx->VertexProgram.Enabled &&
+          ctx->VertexProgram.Current->arb.Instructions;
+}
 
+/** Compute two sided lighting state for fixed function or programs. */
+static inline bool
+_mesa_vertex_program_two_side_enabled(const struct gl_context *ctx)
+{
+   if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX] ||
+       _mesa_arb_vertex_program_enabled(ctx))
+      return ctx->VertexProgram.TwoSideEnabled;
 
-extern void gl_update_state( GLcontext *ctx );
+   return ctx->Light.Enabled && ctx->Light.Model.TwoSide;
+}
 
+/** Return 0=GL_CCW or 1=GL_CW */
+static inline bool
+_mesa_polygon_get_front_bit(const struct gl_context *ctx)
+{
+   if (ctx->Transform.ClipOrigin == GL_LOWER_LEFT)
+      return ctx->Polygon.FrontFace == GL_CW;
 
-/* for debugging */
-extern void gl_print_state( const char *msg, GLuint state );
+   return ctx->Polygon.FrontFace == GL_CCW;
+}
 
-/* for debugging */
-extern void gl_print_enable_flags( const char *msg, GLuint flags );
+static inline bool
+_mesa_arb_fragment_program_enabled(const struct gl_context *ctx)
+{
+   return ctx->FragmentProgram.Enabled &&
+          ctx->FragmentProgram.Current->arb.Instructions;
+}
 
+static inline bool
+_mesa_ati_fragment_shader_enabled(const struct gl_context *ctx)
+{
+   return ctx->ATIFragmentShader.Enabled &&
+          ctx->ATIFragmentShader.Current->Instructions[0];
+}
 
 #endif