-/**
- * \file context.h
- * Mesa context/visual/framebuffer management functions.
- *
- * There are three Mesa data types which are meant to be used by device
- * drivers:
- * - GLcontext: this contains the Mesa rendering state
- * - GLvisual: this describes the color buffer (RGB vs. ci), whether or not
- * there's a depth buffer, stencil buffer, etc.
- * - GLframebuffer: contains pointers to the depth buffer, stencil buffer,
- * accum buffer and alpha buffers.
- *
- * These types should be encapsulated by corresponding device driver
- * data types. See xmesa.h and xmesaP.h for an example.
- *
- * In OOP terms, GLcontext, GLvisual, and GLframebuffer are base classes
- * which the device driver must derive from.
- *
- * The following functions create and destroy these data types.
- */
-
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 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"),
*/
+/**
+ * \file context.h
+ * Mesa context and visual-related functions.
+ *
+ * There are three large Mesa data types/classes which are meant to be
+ * used by device drivers:
+ * - GLcontext: this contains the Mesa rendering state
+ * - GLvisual: this describes the color buffer (RGB vs. ci), whether or not
+ * there's a depth buffer, stencil buffer, etc.
+ * - GLframebuffer: contains pointers to the depth buffer, stencil buffer,
+ * accum buffer and alpha buffers.
+ *
+ * These types should be encapsulated by corresponding device driver
+ * data types. See xmesa.h and xmesaP.h for an example.
+ *
+ * In OOP terms, GLcontext, GLvisual, and GLframebuffer are base classes
+ * which the device driver must derive from.
+ *
+ * The following functions create and destroy these data types.
+ */
+
+
#ifndef CONTEXT_H
#define CONTEXT_H
#include "mtypes.h"
-/**********************************************************************/
-/** \name Create/destroy a GLvisual. */
+/** \name Visual-related functions */
/*@{*/
extern GLvisual *
/*@}*/
-/**********************************************************************/
-/** \name Create/destroy a GLframebuffer. */
-/*@{*/
-
-extern GLframebuffer *
-_mesa_create_framebuffer( const GLvisual *visual,
- GLboolean softwareDepth,
- GLboolean softwareStencil,
- GLboolean softwareAccum,
- GLboolean softwareAlpha );
-
-extern void
-_mesa_initialize_framebuffer( GLframebuffer *fb,
- const GLvisual *visual,
- GLboolean softwareDepth,
- GLboolean softwareStencil,
- GLboolean softwareAccum,
- GLboolean softwareAlpha );
-
-extern void
-_mesa_free_framebuffer_data( GLframebuffer *buffer );
-
-extern void
-_mesa_destroy_framebuffer( GLframebuffer *buffer );
-
-/*@}*/
-
-
-/**********************************************************************/
-/** \name Create/destroy a GLcontext. */
+/** \name Context-related functions */
/*@{*/
extern GLcontext *
_mesa_create_context( const GLvisual *visual,
GLcontext *share_list,
- void *driver_ctx,
- GLboolean direct );
+ const struct dd_function_table *driverFunctions,
+ void *driverContext );
extern GLboolean
_mesa_initialize_context( GLcontext *ctx,
const GLvisual *visual,
GLcontext *share_list,
- void *driver_ctx,
- GLboolean direct );
+ const struct dd_function_table *driverFunctions,
+ void *driverContext );
extern void
_mesa_free_context_data( GLcontext *ctx );
extern void
-_mesa_make_current( GLcontext *ctx, GLframebuffer *buffer );
-
-
-extern void
-_mesa_make_current2( GLcontext *ctx, GLframebuffer *drawBuffer,
- GLframebuffer *readBuffer );
+_mesa_make_current( GLcontext *ctx, GLframebuffer *drawBuffer,
+ GLframebuffer *readBuffer );
+extern GLboolean
+_mesa_share_state(GLcontext *ctx, GLcontext *ctxToShare);
extern GLcontext *
_mesa_get_current_context(void);
/*@}*/
-/**
- * Macro for declaration and fetching the current context.
- *
- * \param C local variable which will hold the current context.
- *
- * It should be used in the variable declaration area of a function:
- * \code
- * ...
- * {
- * GET_CURRENT_CONTEXT(ctx);
- * ...
- * \endcode
- */
-#ifdef THREADS
-
-#define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context())
-
-#else
-
-#define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_Context
-
-#endif
-
-
-
-/**********************************************************************/
-/** \name OpenGL SI-style export functions. */
+/** \name OpenGL SI-style export functions */
/*@{*/
extern GLboolean
-/**********************************************************************/
/** \name Miscellaneous */
/*@{*/
extern void
_mesa_record_error( GLcontext *ctx, GLenum error );
-
extern void GLAPIENTRY
_mesa_Finish( void );
-/**********************************************************************/
-/** \name Macros for contexts/flushing. */
+/**
+ * \name Macros for flushing buffered rendering commands before state changes,
+ * checking if inside glBegin/glEnd, etc.
+ */
/*@{*/
-
/**
* Flush vertices.
*
#define FLUSH_VERTICES(ctx, newstate) \
do { \
if (MESA_VERBOSE & VERBOSE_STATE) \
- _mesa_debug(ctx, "FLUSH_VERTICES in %s\n", __FUNCTION__); \
+ _mesa_debug(ctx, "FLUSH_VERTICES in %s\n", MESA_FUNCTION);\
if (ctx->Driver.NeedFlush & FLUSH_STORED_VERTICES) \
ctx->Driver.FlushVertices(ctx, FLUSH_STORED_VERTICES); \
ctx->NewState |= newstate; \
#define FLUSH_CURRENT(ctx, newstate) \
do { \
if (MESA_VERBOSE & VERBOSE_STATE) \
- _mesa_debug(ctx, "FLUSH_CURRENT in %s\n", __FUNCTION__); \
+ _mesa_debug(ctx, "FLUSH_CURRENT in %s\n", MESA_FUNCTION); \
if (ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) \
ctx->Driver.FlushVertices(ctx, FLUSH_UPDATE_CURRENT); \
ctx->NewState |= newstate; \
#define ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, retval) \
do { \
if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { \
- _mesa_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \
+ _mesa_error(ctx, GL_INVALID_OPERATION, "Inside glBegin/glEnd"); \
return retval; \
} \
} while (0)
#define ASSERT_OUTSIDE_BEGIN_END(ctx) \
do { \
if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END) { \
- _mesa_error( ctx, GL_INVALID_OPERATION, "begin/end" ); \
+ _mesa_error(ctx, GL_INVALID_OPERATION, "Inside glBegin/glEnd"); \
return; \
} \
} while (0)
FLUSH_VERTICES(ctx, 0); \
} while (0)
-
/*@}*/
-/**
- * Macros to help evaluate current state conditions
- */
-
-/*@{*/
-
/**
* Is the secondary color needed?
*/
#define NEED_SECONDARY_COLOR(CTX) \
(((CTX)->Light.Enabled && \
(CTX)->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) \
- || (CTX)->Fog.ColorSumEnabled)
+ || (CTX)->Fog.ColorSumEnabled \
+ || ((CTX)->VertexProgram._Enabled && \
+ ((CTX)->VertexProgram.Current->Base.InputsRead & VERT_BIT_COLOR1)) \
+ || ((CTX)->FragmentProgram._Enabled && \
+ ((CTX)->FragmentProgram.Current->Base.InputsRead & FRAG_BIT_COL1)) \
+ )
/**
- * Is two-sided lighting in effect?
+ * Is RGBA LogicOp enabled?
*/
-#define NEED_TWO_SIDED_LIGHTING(CTX) \
- (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
-
-
-/*@}*/
+#define RGBA_LOGICOP_ENABLED(CTX) \
+ ((CTX)->Color.ColorLogicOpEnabled || \
+ ((CTX)->Color.BlendEnabled && (CTX)->Color.BlendEquationRGB == GL_LOGIC_OP))
-#endif
+#endif /* CONTEXT_H */
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