diff options
Diffstat (limited to 'mesalib/src/mesa/main/getstring.c')
-rw-r--r-- | mesalib/src/mesa/main/getstring.c | 540 |
1 files changed, 270 insertions, 270 deletions
diff --git a/mesalib/src/mesa/main/getstring.c b/mesalib/src/mesa/main/getstring.c index 2052cbc6c..c381fb2df 100644 --- a/mesalib/src/mesa/main/getstring.c +++ b/mesalib/src/mesa/main/getstring.c @@ -1,270 +1,270 @@ -/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * 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.
- */
-
-
-
-#include "glheader.h"
-#include "context.h"
-#include "get.h"
-#include "enums.h"
-#include "extensions.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-
-
-/**
- * Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query.
- */
-static const GLubyte *
-shading_language_version(struct gl_context *ctx)
-{
- switch (ctx->API) {
- case API_OPENGL:
- if (!ctx->Extensions.ARB_shader_objects) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetString");
- return (const GLubyte *) 0;
- }
-
- switch (ctx->Const.GLSLVersion) {
- case 110:
- return (const GLubyte *) "1.10";
- case 120:
- return (const GLubyte *) "1.20";
- case 130:
- return (const GLubyte *) "1.30";
- default:
- _mesa_problem(ctx,
- "Invalid GLSL version in shading_language_version()");
- return (const GLubyte *) 0;
- }
- break;
-
- case API_OPENGLES2:
- return (const GLubyte *) "OpenGL ES GLSL ES 1.0.16";
-
- case API_OPENGLES:
- /* fall-through */
-
- default:
- _mesa_problem(ctx, "Unexpected API value in shading_language_version()");
- return (const GLubyte *) 0;
- }
-}
-
-
-/**
- * Query string-valued state. The return value should _not_ be freed by
- * the caller.
- *
- * \param name the state variable to query.
- *
- * \sa glGetString().
- *
- * Tries to get the string from dd_function_table::GetString, otherwise returns
- * the hardcoded strings.
- */
-const GLubyte * GLAPIENTRY
-_mesa_GetString( GLenum name )
-{
- GET_CURRENT_CONTEXT(ctx);
- static const char *vendor = "Brian Paul";
- static const char *renderer = "Mesa";
-
- if (!ctx)
- return NULL;
-
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
-
- /* this is a required driver function */
- assert(ctx->Driver.GetString);
- {
- /* Give the driver the chance to handle this query */
- const GLubyte *str = (*ctx->Driver.GetString)(ctx, name);
- if (str)
- return str;
- }
-
- switch (name) {
- case GL_VENDOR:
- return (const GLubyte *) vendor;
- case GL_RENDERER:
- return (const GLubyte *) renderer;
- case GL_VERSION:
- return (const GLubyte *) ctx->VersionString;
- case GL_EXTENSIONS:
- return (const GLubyte *) ctx->Extensions.String;
-#if FEATURE_ARB_shading_language_100 || FEATURE_ES2
- case GL_SHADING_LANGUAGE_VERSION:
- return shading_language_version(ctx);
-#endif
-#if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program || \
- FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
- case GL_PROGRAM_ERROR_STRING_NV:
- if (ctx->Extensions.NV_fragment_program ||
- ctx->Extensions.ARB_fragment_program ||
- ctx->Extensions.NV_vertex_program ||
- ctx->Extensions.ARB_vertex_program) {
- return (const GLubyte *) ctx->Program.ErrorString;
- }
- /* FALL-THROUGH */
-#endif
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" );
- return (const GLubyte *) 0;
- }
-}
-
-
-/**
- * GL3
- */
-const GLubyte * GLAPIENTRY
-_mesa_GetStringi(GLenum name, GLuint index)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if (!ctx)
- return NULL;
-
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
-
- switch (name) {
- case GL_EXTENSIONS:
- if (index >= _mesa_get_extension_count(ctx)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetStringi(index=%u)", index);
- return (const GLubyte *) 0;
- }
- return _mesa_get_enabled_extension(ctx, index);
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" );
- return (const GLubyte *) 0;
- }
-}
-
-
-
-/**
- * Return pointer-valued state, such as a vertex array pointer.
- *
- * \param pname names state to be queried
- * \param params returns the pointer value
- *
- * \sa glGetPointerv().
- *
- * Tries to get the specified pointer via dd_function_table::GetPointerv,
- * otherwise gets the specified pointer from the current context.
- */
-void GLAPIENTRY
-_mesa_GetPointerv( GLenum pname, GLvoid **params )
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLuint clientUnit = ctx->Array.ActiveTexture;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!params)
- return;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glGetPointerv %s\n", _mesa_lookup_enum_by_nr(pname));
-
- switch (pname) {
- case GL_VERTEX_ARRAY_POINTER:
- *params = (GLvoid *) ctx->Array.ArrayObj->Vertex.Ptr;
- break;
- case GL_NORMAL_ARRAY_POINTER:
- *params = (GLvoid *) ctx->Array.ArrayObj->Normal.Ptr;
- break;
- case GL_COLOR_ARRAY_POINTER:
- *params = (GLvoid *) ctx->Array.ArrayObj->Color.Ptr;
- break;
- case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT:
- *params = (GLvoid *) ctx->Array.ArrayObj->SecondaryColor.Ptr;
- break;
- case GL_FOG_COORDINATE_ARRAY_POINTER_EXT:
- *params = (GLvoid *) ctx->Array.ArrayObj->FogCoord.Ptr;
- break;
- case GL_INDEX_ARRAY_POINTER:
- *params = (GLvoid *) ctx->Array.ArrayObj->Index.Ptr;
- break;
- case GL_TEXTURE_COORD_ARRAY_POINTER:
- *params = (GLvoid *) ctx->Array.ArrayObj->TexCoord[clientUnit].Ptr;
- break;
- case GL_EDGE_FLAG_ARRAY_POINTER:
- *params = (GLvoid *) ctx->Array.ArrayObj->EdgeFlag.Ptr;
- break;
- case GL_FEEDBACK_BUFFER_POINTER:
- *params = ctx->Feedback.Buffer;
- break;
- case GL_SELECTION_BUFFER_POINTER:
- *params = ctx->Select.Buffer;
- break;
-#if FEATURE_point_size_array
- case GL_POINT_SIZE_ARRAY_POINTER_OES:
- *params = (GLvoid *) ctx->Array.ArrayObj->PointSize.Ptr;
- break;
-#endif
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetPointerv" );
- return;
- }
-}
-
-
-/**
- * Returns the current GL error code, or GL_NO_ERROR.
- * \return current error code
- *
- * Returns __struct gl_contextRec::ErrorValue.
- */
-GLenum GLAPIENTRY
-_mesa_GetError( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLenum e = ctx->ErrorValue;
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glGetError <-- %s\n", _mesa_lookup_enum_by_nr(e));
-
- ctx->ErrorValue = (GLenum) GL_NO_ERROR;
- ctx->ErrorDebugCount = 0;
- return e;
-}
-
-/**
- * Returns an error code specified by GL_ARB_robustness, or GL_NO_ERROR.
- * \return current context status
- */
-GLenum GLAPIENTRY
-_mesa_GetGraphicsResetStatusARB( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLenum status = ctx->ResetStatus;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glGetGraphicsResetStatusARB"
- "(always returns GL_NO_ERROR)\n");
-
- return status;
-}
+/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * 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. + */ + + + +#include "glheader.h" +#include "context.h" +#include "get.h" +#include "enums.h" +#include "extensions.h" +#include "mfeatures.h" +#include "mtypes.h" + + +/** + * Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query. + */ +static const GLubyte * +shading_language_version(struct gl_context *ctx) +{ + switch (ctx->API) { + case API_OPENGL: + if (!ctx->Extensions.ARB_shader_objects) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetString"); + return (const GLubyte *) 0; + } + + switch (ctx->Const.GLSLVersion) { + case 110: + return (const GLubyte *) "1.10"; + case 120: + return (const GLubyte *) "1.20"; + case 130: + return (const GLubyte *) "1.30"; + default: + _mesa_problem(ctx, + "Invalid GLSL version in shading_language_version()"); + return (const GLubyte *) 0; + } + break; + + case API_OPENGLES2: + return (const GLubyte *) "OpenGL ES GLSL ES 1.0.16"; + + case API_OPENGLES: + /* fall-through */ + + default: + _mesa_problem(ctx, "Unexpected API value in shading_language_version()"); + return (const GLubyte *) 0; + } +} + + +/** + * Query string-valued state. The return value should _not_ be freed by + * the caller. + * + * \param name the state variable to query. + * + * \sa glGetString(). + * + * Tries to get the string from dd_function_table::GetString, otherwise returns + * the hardcoded strings. + */ +const GLubyte * GLAPIENTRY +_mesa_GetString( GLenum name ) +{ + GET_CURRENT_CONTEXT(ctx); + static const char *vendor = "Brian Paul"; + static const char *renderer = "Mesa"; + + if (!ctx) + return NULL; + + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL); + + /* this is a required driver function */ + assert(ctx->Driver.GetString); + { + /* Give the driver the chance to handle this query */ + const GLubyte *str = (*ctx->Driver.GetString)(ctx, name); + if (str) + return str; + } + + switch (name) { + case GL_VENDOR: + return (const GLubyte *) vendor; + case GL_RENDERER: + return (const GLubyte *) renderer; + case GL_VERSION: + return (const GLubyte *) ctx->VersionString; + case GL_EXTENSIONS: + return (const GLubyte *) ctx->Extensions.String; +#if FEATURE_ARB_shading_language_100 || FEATURE_ES2 + case GL_SHADING_LANGUAGE_VERSION: + return shading_language_version(ctx); +#endif +#if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program || \ + FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program + case GL_PROGRAM_ERROR_STRING_NV: + if (ctx->Extensions.NV_fragment_program || + ctx->Extensions.ARB_fragment_program || + ctx->Extensions.NV_vertex_program || + ctx->Extensions.ARB_vertex_program) { + return (const GLubyte *) ctx->Program.ErrorString; + } + /* FALL-THROUGH */ +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" ); + return (const GLubyte *) 0; + } +} + + +/** + * GL3 + */ +const GLubyte * GLAPIENTRY +_mesa_GetStringi(GLenum name, GLuint index) +{ + GET_CURRENT_CONTEXT(ctx); + + if (!ctx) + return NULL; + + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL); + + switch (name) { + case GL_EXTENSIONS: + if (index >= _mesa_get_extension_count(ctx)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetStringi(index=%u)", index); + return (const GLubyte *) 0; + } + return _mesa_get_enabled_extension(ctx, index); + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" ); + return (const GLubyte *) 0; + } +} + + + +/** + * Return pointer-valued state, such as a vertex array pointer. + * + * \param pname names state to be queried + * \param params returns the pointer value + * + * \sa glGetPointerv(). + * + * Tries to get the specified pointer via dd_function_table::GetPointerv, + * otherwise gets the specified pointer from the current context. + */ +void GLAPIENTRY +_mesa_GetPointerv( GLenum pname, GLvoid **params ) +{ + GET_CURRENT_CONTEXT(ctx); + const GLuint clientUnit = ctx->Array.ActiveTexture; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (!params) + return; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetPointerv %s\n", _mesa_lookup_enum_by_nr(pname)); + + switch (pname) { + case GL_VERTEX_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.ArrayObj->Vertex.Ptr; + break; + case GL_NORMAL_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.ArrayObj->Normal.Ptr; + break; + case GL_COLOR_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.ArrayObj->Color.Ptr; + break; + case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT: + *params = (GLvoid *) ctx->Array.ArrayObj->SecondaryColor.Ptr; + break; + case GL_FOG_COORDINATE_ARRAY_POINTER_EXT: + *params = (GLvoid *) ctx->Array.ArrayObj->FogCoord.Ptr; + break; + case GL_INDEX_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.ArrayObj->Index.Ptr; + break; + case GL_TEXTURE_COORD_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.ArrayObj->TexCoord[clientUnit].Ptr; + break; + case GL_EDGE_FLAG_ARRAY_POINTER: + *params = (GLvoid *) ctx->Array.ArrayObj->EdgeFlag.Ptr; + break; + case GL_FEEDBACK_BUFFER_POINTER: + *params = ctx->Feedback.Buffer; + break; + case GL_SELECTION_BUFFER_POINTER: + *params = ctx->Select.Buffer; + break; +#if FEATURE_point_size_array + case GL_POINT_SIZE_ARRAY_POINTER_OES: + *params = (GLvoid *) ctx->Array.ArrayObj->PointSize.Ptr; + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glGetPointerv" ); + return; + } +} + + +/** + * Returns the current GL error code, or GL_NO_ERROR. + * \return current error code + * + * Returns __struct gl_contextRec::ErrorValue. + */ +GLenum GLAPIENTRY +_mesa_GetError( void ) +{ + GET_CURRENT_CONTEXT(ctx); + GLenum e = ctx->ErrorValue; + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetError <-- %s\n", _mesa_lookup_enum_by_nr(e)); + + ctx->ErrorValue = (GLenum) GL_NO_ERROR; + ctx->ErrorDebugCount = 0; + return e; +} + +/** + * Returns an error code specified by GL_ARB_robustness, or GL_NO_ERROR. + * \return current context status + */ +GLenum GLAPIENTRY +_mesa_GetGraphicsResetStatusARB( void ) +{ + GET_CURRENT_CONTEXT(ctx); + GLenum status = ctx->ResetStatus; + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glGetGraphicsResetStatusARB" + "(always returns GL_NO_ERROR)\n"); + + return status; +} |