mesa: Move ROUND_DOWN_TO() macro from i915/i965 to macros.h.

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

diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h
index 1b881f3f337a6804058f08a96fbcfee5035d445d..792ab4cd55e30c577e515e777d08de1a84b276b2 100644 (file)
--- a/src/mesa/main/context.h
+++ b/src/mesa/main/context.h
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.1
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -17,9 +16,10 @@
  * 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.
  */
 
 
@@ -154,11 +154,6 @@ extern struct _glapi_table *
 _mesa_get_dispatch(struct gl_context *ctx);
 
 
-void
-_mesa_set_mvp_with_dp4( struct gl_context *ctx,
-                        GLboolean flag );
-
-
 extern GLboolean
 _mesa_valid_to_render(struct gl_context *ctx, const char *where);
 
@@ -189,6 +184,28 @@ _mesa_Flush( void );
 /*@}*/
 
 
+/**
+ * Are we currently between glBegin and glEnd?
+ * During execution, not display list compilation.
+ */
+static inline GLboolean
+_mesa_inside_begin_end(const struct gl_context *ctx)
+{
+   return ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END;
+}
+
+
+/**
+ * Are we currently between glBegin and glEnd in a display list?
+ */
+static inline GLboolean
+_mesa_inside_dlist_begin_end(const struct gl_context *ctx)
+{
+   return ctx->Driver.CurrentSavePrimitive <= PRIM_MAX;
+}
+
+
+
 /**
  * \name Macros for flushing buffered rendering commands before state changes,
  * checking if inside glBegin/glEnd, etc.
@@ -242,7 +259,7 @@ do {                                                                \
  */
 #define ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, retval)              \
 do {                                                                   \
-   if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {   \
+   if (_mesa_inside_begin_end(ctx)) {                                  \
       _mesa_error(ctx, GL_INVALID_OPERATION, "Inside glBegin/glEnd");  \
       return retval;                                                   \
    }                                                                   \
@@ -256,7 +273,7 @@ do {                                                                        \
  */
 #define ASSERT_OUTSIDE_BEGIN_END(ctx)                                  \
 do {                                                                   \
-   if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) {   \
+   if (_mesa_inside_begin_end(ctx)) {                                  \
       _mesa_error(ctx, GL_INVALID_OPERATION, "Inside glBegin/glEnd");  \
       return;                                                          \
    }                                                                   \
@@ -295,6 +312,17 @@ _mesa_is_gles3(const struct gl_context *ctx)
 }
 
 
+/**
+ * Checks if the context supports geometry shaders.
+ */
+static inline GLboolean
+_mesa_has_geometry_shaders(const struct gl_context *ctx)
+{
+   return _mesa_is_desktop_gl(ctx) &&
+      (ctx->Version >= 32 || ctx->Extensions.ARB_geometry_shader4);
+}
+
+
 #ifdef __cplusplus
 }
 #endif