X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fcontext.h;h=792ab4cd55e30c577e515e777d08de1a84b276b2;hb=55cf320ed87f902d817dfea363e6612be0c3b675;hp=c9f4d433a573569c6f476ee7f123370a06c0b9c2;hpb=218ceb3e1874a5a28f36a8df3ca0e881cdf213d5;p=mesa.git diff --git a/src/mesa/main/context.h b/src/mesa/main/context.h index c9f4d433a57..792ab4cd55e 100644 --- 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. */ @@ -29,17 +29,17 @@ * * 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. + * - struct gl_context: this contains the Mesa rendering state + * - struct gl_config: this describes the color buffer (RGB vs. ci), whether + * or not there's a depth buffer, stencil buffer, etc. + * - struct gl_framebuffer: 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. + * In OOP terms, struct gl_context, struct gl_config, and struct gl_framebuffer + * are base classes which the device driver must derive from. * * The following functions create and destroy these data types. */ @@ -53,13 +53,18 @@ #include "mtypes.h" +#ifdef __cplusplus +extern "C" { +#endif + + struct _glapi_table; /** \name Visual-related functions */ /*@{*/ -extern GLvisual * +extern struct gl_config * _mesa_create_visual( GLboolean dbFlag, GLboolean stereoFlag, GLint redBits, @@ -75,7 +80,7 @@ _mesa_create_visual( GLboolean dbFlag, GLint numSamples ); extern GLboolean -_mesa_initialize_visual( GLvisual *v, +_mesa_initialize_visual( struct gl_config *v, GLboolean dbFlag, GLboolean stereoFlag, GLint redBits, @@ -91,7 +96,7 @@ _mesa_initialize_visual( GLvisual *v, GLint numSamples ); extern void -_mesa_destroy_visual( GLvisual *vis ); +_mesa_destroy_visual( struct gl_config *vis ); /*@}*/ @@ -99,76 +104,58 @@ _mesa_destroy_visual( GLvisual *vis ); /** \name Context-related functions */ /*@{*/ -extern GLcontext * -_mesa_create_context( const GLvisual *visual, - GLcontext *share_list, - const struct dd_function_table *driverFunctions, - void *driverContext ); - -extern GLboolean -_mesa_initialize_context( GLcontext *ctx, - const GLvisual *visual, - GLcontext *share_list, - const struct dd_function_table *driverFunctions, - void *driverContext ); - -extern GLcontext * -_mesa_create_context_for_api(gl_api api, - const GLvisual *visual, - GLcontext *share_list, - const struct dd_function_table *driverFunctions, - void *driverContext); - extern GLboolean -_mesa_initialize_context_for_api(GLcontext *ctx, - gl_api api, - const GLvisual *visual, - GLcontext *share_list, - const struct dd_function_table *driverFunctions, - void *driverContext); +_mesa_initialize_context( struct gl_context *ctx, + gl_api api, + const struct gl_config *visual, + struct gl_context *share_list, + const struct dd_function_table *driverFunctions); + +extern struct gl_context * +_mesa_create_context(gl_api api, + const struct gl_config *visual, + struct gl_context *share_list, + const struct dd_function_table *driverFunctions); extern void -_mesa_free_context_data( GLcontext *ctx ); +_mesa_free_context_data( struct gl_context *ctx ); extern void -_mesa_destroy_context( GLcontext *ctx ); +_mesa_destroy_context( struct gl_context *ctx ); extern void -_mesa_copy_context(const GLcontext *src, GLcontext *dst, GLuint mask); +_mesa_copy_context(const struct gl_context *src, struct gl_context *dst, GLuint mask); extern void -_mesa_check_init_viewport(GLcontext *ctx, GLuint width, GLuint height); +_mesa_check_init_viewport(struct gl_context *ctx, GLuint width, GLuint height); extern GLboolean -_mesa_make_current( GLcontext *ctx, GLframebuffer *drawBuffer, - GLframebuffer *readBuffer ); +_mesa_make_current( struct gl_context *ctx, struct gl_framebuffer *drawBuffer, + struct gl_framebuffer *readBuffer ); extern GLboolean -_mesa_share_state(GLcontext *ctx, GLcontext *ctxToShare); +_mesa_share_state(struct gl_context *ctx, struct gl_context *ctxToShare); -extern GLcontext * +extern struct gl_context * _mesa_get_current_context(void); /*@}*/ +extern void +_mesa_init_get_hash(struct gl_context *ctx); extern void -_mesa_notifySwapBuffers(__GLcontext *gc); +_mesa_notifySwapBuffers(struct gl_context *gc); extern struct _glapi_table * -_mesa_get_dispatch(GLcontext *ctx); - - -void -_mesa_set_mvp_with_dp4( GLcontext *ctx, - GLboolean flag ); +_mesa_get_dispatch(struct gl_context *ctx); extern GLboolean -_mesa_valid_to_render(GLcontext *ctx, const char *where); +_mesa_valid_to_render(struct gl_context *ctx, const char *where); @@ -176,15 +163,17 @@ _mesa_valid_to_render(GLcontext *ctx, const char *where); /*@{*/ extern void -_mesa_record_error( GLcontext *ctx, GLenum error ); +_mesa_record_error( struct gl_context *ctx, GLenum error ); extern void -_mesa_finish(GLcontext *ctx); +_mesa_finish(struct gl_context *ctx); extern void -_mesa_flush(GLcontext *ctx); +_mesa_flush(struct gl_context *ctx); +extern int +_mesa_generic_nop(void); extern void GLAPIENTRY _mesa_Finish( void ); @@ -195,6 +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. @@ -209,7 +220,7 @@ _mesa_Flush( void ); * * Checks if dd_function_table::NeedFlush is marked to flush stored vertices, * and calls dd_function_table::FlushVertices if so. Marks - * __GLcontextRec::NewState with \p newstate. + * __struct gl_contextRec::NewState with \p newstate. */ #define FLUSH_VERTICES(ctx, newstate) \ do { \ @@ -228,7 +239,7 @@ do { \ * * Checks if dd_function_table::NeedFlush is marked to flush current state, * and calls dd_function_table::FlushVertices if so. Marks - * __GLcontextRec::NewState with \p newstate. + * __struct gl_contextRec::NewState with \p newstate. */ #define FLUSH_CURRENT(ctx, newstate) \ do { \ @@ -244,11 +255,11 @@ do { \ * glBegin()/glEnd() pair, with return value. * * \param ctx GL context. - * \param retval value to return value in case the assertion fails. + * \param retval value to return in case the assertion fails. */ #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; \ } \ @@ -262,63 +273,59 @@ 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; \ } \ } while (0) -/** - * Macro to assert that the API call was made outside the - * glBegin()/glEnd() pair and flush the vertices. - * - * \param ctx GL context. - */ -#define ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx) \ -do { \ - ASSERT_OUTSIDE_BEGIN_END(ctx); \ - FLUSH_VERTICES(ctx, 0); \ -} while (0) +/*@}*/ + /** - * Macro to assert that the API call was made outside the - * glBegin()/glEnd() pair and flush the vertices, with return value. - * - * \param ctx GL context. - * \param retval value to return value in case the assertion fails. + * Checks if the context is for Desktop GL (Compatibility or Core) */ -#define ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, retval) \ -do { \ - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, retval); \ - FLUSH_VERTICES(ctx, 0); \ -} while (0) +static inline GLboolean +_mesa_is_desktop_gl(const struct gl_context *ctx) +{ + return ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGL_CORE; +} -/*@}*/ +/** + * Checks if the context is for any GLES version + */ +static inline GLboolean +_mesa_is_gles(const struct gl_context *ctx) +{ + return ctx->API == API_OPENGLES || ctx->API == API_OPENGLES2; +} /** - * Is the secondary color needed? + * Checks if the context is for GLES 3.x */ -#define NEED_SECONDARY_COLOR(CTX) \ - (((CTX)->Light.Enabled && \ - (CTX)->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) \ - || (CTX)->Fog.ColorSumEnabled \ - || ((CTX)->VertexProgram._Current && \ - ((CTX)->VertexProgram._Current != (CTX)->VertexProgram._TnlProgram) && \ - ((CTX)->VertexProgram._Current->Base.InputsRead & VERT_BIT_COLOR1)) \ - || ((CTX)->FragmentProgram._Current && \ - ((CTX)->FragmentProgram._Current != (CTX)->FragmentProgram._TexEnvProgram) && \ - ((CTX)->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_COL1)) \ - ) +static inline GLboolean +_mesa_is_gles3(const struct gl_context *ctx) +{ + return ctx->API == API_OPENGLES2 && ctx->Version >= 30; +} /** - * Is RGBA LogicOp enabled? + * Checks if the context supports geometry shaders. */ -#define RGBA_LOGICOP_ENABLED(CTX) \ - ((CTX)->Color.ColorLogicOpEnabled || \ - ((CTX)->Color.BlendEnabled && (CTX)->Color.BlendEquationRGB == GL_LOGIC_OP)) +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 #endif /* CONTEXT_H */