Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1901 | serge | 1 | /* |
| 2 | * Mesa 3-D graphics library |
||
| 3 | * Version: 7.1 |
||
| 4 | * |
||
| 5 | * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
||
| 6 | * |
||
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
| 8 | * copy of this software and associated documentation files (the "Software"), |
||
| 9 | * to deal in the Software without restriction, including without limitation |
||
| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
||
| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
||
| 12 | * Software is furnished to do so, subject to the following conditions: |
||
| 13 | * |
||
| 14 | * The above copyright notice and this permission notice shall be included |
||
| 15 | * in all copies or substantial portions of the Software. |
||
| 16 | * |
||
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
||
| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
||
| 20 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
||
| 21 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
||
| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
||
| 23 | */ |
||
| 24 | |||
| 25 | |||
| 26 | |||
| 27 | #include "glheader.h" |
||
| 28 | #include "context.h" |
||
| 29 | #include "get.h" |
||
| 30 | #include "enums.h" |
||
| 31 | #include "extensions.h" |
||
| 32 | |||
| 33 | |||
| 34 | /** |
||
| 35 | * Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query. |
||
| 36 | */ |
||
| 37 | static const GLubyte * |
||
| 38 | shading_language_version(struct gl_context *ctx) |
||
| 39 | { |
||
| 40 | switch (ctx->API) { |
||
| 41 | case API_OPENGL: |
||
| 42 | if (!ctx->Extensions.ARB_shader_objects) { |
||
| 43 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetString"); |
||
| 44 | return (const GLubyte *) 0; |
||
| 45 | } |
||
| 46 | |||
| 47 | switch (ctx->Const.GLSLVersion) { |
||
| 48 | case 110: |
||
| 49 | return (const GLubyte *) "1.10"; |
||
| 50 | case 120: |
||
| 51 | return (const GLubyte *) "1.20"; |
||
| 52 | case 130: |
||
| 53 | return (const GLubyte *) "1.30"; |
||
| 54 | default: |
||
| 55 | _mesa_problem(ctx, |
||
| 56 | "Invalid GLSL version in shading_language_version()"); |
||
| 57 | return (const GLubyte *) 0; |
||
| 58 | } |
||
| 59 | break; |
||
| 60 | |||
| 61 | case API_OPENGLES2: |
||
| 62 | return (const GLubyte *) "OpenGL ES GLSL ES 1.0.16"; |
||
| 63 | |||
| 64 | case API_OPENGLES: |
||
| 65 | /* fall-through */ |
||
| 66 | |||
| 67 | default: |
||
| 68 | _mesa_problem(ctx, "Unexpected API value in shading_language_version()"); |
||
| 69 | return (const GLubyte *) 0; |
||
| 70 | } |
||
| 71 | } |
||
| 72 | |||
| 73 | |||
| 74 | /** |
||
| 75 | * Query string-valued state. The return value should _not_ be freed by |
||
| 76 | * the caller. |
||
| 77 | * |
||
| 78 | * \param name the state variable to query. |
||
| 79 | * |
||
| 80 | * \sa glGetString(). |
||
| 81 | * |
||
| 82 | * Tries to get the string from dd_function_table::GetString, otherwise returns |
||
| 83 | * the hardcoded strings. |
||
| 84 | */ |
||
| 85 | const GLubyte * GLAPIENTRY |
||
| 86 | _mesa_GetString( GLenum name ) |
||
| 87 | { |
||
| 88 | GET_CURRENT_CONTEXT(ctx); |
||
| 89 | static const char *vendor = "Brian Paul"; |
||
| 90 | static const char *renderer = "Mesa"; |
||
| 91 | |||
| 92 | if (!ctx) |
||
| 93 | return NULL; |
||
| 94 | |||
| 95 | ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL); |
||
| 96 | |||
| 97 | /* this is a required driver function */ |
||
| 98 | assert(ctx->Driver.GetString); |
||
| 99 | { |
||
| 100 | /* Give the driver the chance to handle this query */ |
||
| 101 | const GLubyte *str = (*ctx->Driver.GetString)(ctx, name); |
||
| 102 | if (str) |
||
| 103 | return str; |
||
| 104 | } |
||
| 105 | |||
| 106 | switch (name) { |
||
| 107 | case GL_VENDOR: |
||
| 108 | return (const GLubyte *) vendor; |
||
| 109 | case GL_RENDERER: |
||
| 110 | return (const GLubyte *) renderer; |
||
| 111 | case GL_VERSION: |
||
| 112 | return (const GLubyte *) ctx->VersionString; |
||
| 113 | case GL_EXTENSIONS: |
||
| 114 | return (const GLubyte *) ctx->Extensions.String; |
||
| 115 | #if FEATURE_ARB_shading_language_100 || FEATURE_ES2 |
||
| 116 | case GL_SHADING_LANGUAGE_VERSION: |
||
| 117 | return shading_language_version(ctx); |
||
| 118 | #endif |
||
| 119 | #if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program || \ |
||
| 120 | FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program |
||
| 121 | case GL_PROGRAM_ERROR_STRING_NV: |
||
| 122 | if (ctx->Extensions.NV_fragment_program || |
||
| 123 | ctx->Extensions.ARB_fragment_program || |
||
| 124 | ctx->Extensions.NV_vertex_program || |
||
| 125 | ctx->Extensions.ARB_vertex_program) { |
||
| 126 | return (const GLubyte *) ctx->Program.ErrorString; |
||
| 127 | } |
||
| 128 | /* FALL-THROUGH */ |
||
| 129 | #endif |
||
| 130 | default: |
||
| 131 | _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" ); |
||
| 132 | return (const GLubyte *) 0; |
||
| 133 | } |
||
| 134 | } |
||
| 135 | |||
| 136 | |||
| 137 | /** |
||
| 138 | * GL3 |
||
| 139 | */ |
||
| 140 | const GLubyte * GLAPIENTRY |
||
| 141 | _mesa_GetStringi(GLenum name, GLuint index) |
||
| 142 | { |
||
| 143 | GET_CURRENT_CONTEXT(ctx); |
||
| 144 | |||
| 145 | if (!ctx) |
||
| 146 | return NULL; |
||
| 147 | |||
| 148 | ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL); |
||
| 149 | |||
| 150 | switch (name) { |
||
| 151 | case GL_EXTENSIONS: |
||
| 152 | if (index >= _mesa_get_extension_count(ctx)) { |
||
| 153 | _mesa_error(ctx, GL_INVALID_VALUE, "glGetStringi(index=%u)", index); |
||
| 154 | return (const GLubyte *) 0; |
||
| 155 | } |
||
| 156 | return _mesa_get_enabled_extension(ctx, index); |
||
| 157 | default: |
||
| 158 | _mesa_error( ctx, GL_INVALID_ENUM, "glGetString" ); |
||
| 159 | return (const GLubyte *) 0; |
||
| 160 | } |
||
| 161 | } |
||
| 162 | |||
| 163 | |||
| 164 | |||
| 165 | /** |
||
| 166 | * Return pointer-valued state, such as a vertex array pointer. |
||
| 167 | * |
||
| 168 | * \param pname names state to be queried |
||
| 169 | * \param params returns the pointer value |
||
| 170 | * |
||
| 171 | * \sa glGetPointerv(). |
||
| 172 | * |
||
| 173 | * Tries to get the specified pointer via dd_function_table::GetPointerv, |
||
| 174 | * otherwise gets the specified pointer from the current context. |
||
| 175 | */ |
||
| 176 | void GLAPIENTRY |
||
| 177 | _mesa_GetPointerv( GLenum pname, GLvoid **params ) |
||
| 178 | { |
||
| 179 | GET_CURRENT_CONTEXT(ctx); |
||
| 180 | const GLuint clientUnit = ctx->Array.ActiveTexture; |
||
| 181 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
||
| 182 | |||
| 183 | if (!params) |
||
| 184 | return; |
||
| 185 | |||
| 186 | if (MESA_VERBOSE & VERBOSE_API) |
||
| 187 | _mesa_debug(ctx, "glGetPointerv %s\n", _mesa_lookup_enum_by_nr(pname)); |
||
| 188 | |||
| 189 | switch (pname) { |
||
| 190 | case GL_VERTEX_ARRAY_POINTER: |
||
| 191 | *params = (GLvoid *) ctx->Array.ArrayObj->Vertex.Ptr; |
||
| 192 | break; |
||
| 193 | case GL_NORMAL_ARRAY_POINTER: |
||
| 194 | *params = (GLvoid *) ctx->Array.ArrayObj->Normal.Ptr; |
||
| 195 | break; |
||
| 196 | case GL_COLOR_ARRAY_POINTER: |
||
| 197 | *params = (GLvoid *) ctx->Array.ArrayObj->Color.Ptr; |
||
| 198 | break; |
||
| 199 | case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT: |
||
| 200 | *params = (GLvoid *) ctx->Array.ArrayObj->SecondaryColor.Ptr; |
||
| 201 | break; |
||
| 202 | case GL_FOG_COORDINATE_ARRAY_POINTER_EXT: |
||
| 203 | *params = (GLvoid *) ctx->Array.ArrayObj->FogCoord.Ptr; |
||
| 204 | break; |
||
| 205 | case GL_INDEX_ARRAY_POINTER: |
||
| 206 | *params = (GLvoid *) ctx->Array.ArrayObj->Index.Ptr; |
||
| 207 | break; |
||
| 208 | case GL_TEXTURE_COORD_ARRAY_POINTER: |
||
| 209 | *params = (GLvoid *) ctx->Array.ArrayObj->TexCoord[clientUnit].Ptr; |
||
| 210 | break; |
||
| 211 | case GL_EDGE_FLAG_ARRAY_POINTER: |
||
| 212 | *params = (GLvoid *) ctx->Array.ArrayObj->EdgeFlag.Ptr; |
||
| 213 | break; |
||
| 214 | case GL_FEEDBACK_BUFFER_POINTER: |
||
| 215 | *params = ctx->Feedback.Buffer; |
||
| 216 | break; |
||
| 217 | case GL_SELECTION_BUFFER_POINTER: |
||
| 218 | *params = ctx->Select.Buffer; |
||
| 219 | break; |
||
| 220 | #if FEATURE_point_size_array |
||
| 221 | case GL_POINT_SIZE_ARRAY_POINTER_OES: |
||
| 222 | *params = (GLvoid *) ctx->Array.ArrayObj->PointSize.Ptr; |
||
| 223 | break; |
||
| 224 | #endif |
||
| 225 | default: |
||
| 226 | _mesa_error( ctx, GL_INVALID_ENUM, "glGetPointerv" ); |
||
| 227 | return; |
||
| 228 | } |
||
| 229 | } |
||
| 230 | |||
| 231 | |||
| 232 | /** |
||
| 233 | * Returns the current GL error code, or GL_NO_ERROR. |
||
| 234 | * \return current error code |
||
| 235 | * |
||
| 236 | * Returns __struct gl_contextRec::ErrorValue. |
||
| 237 | */ |
||
| 238 | GLenum GLAPIENTRY |
||
| 239 | _mesa_GetError( void ) |
||
| 240 | { |
||
| 241 | GET_CURRENT_CONTEXT(ctx); |
||
| 242 | GLenum e = ctx->ErrorValue; |
||
| 243 | ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0); |
||
| 244 | |||
| 245 | if (MESA_VERBOSE & VERBOSE_API) |
||
| 246 | _mesa_debug(ctx, "glGetError <-- %s\n", _mesa_lookup_enum_by_nr(e)); |
||
| 247 | |||
| 248 | ctx->ErrorValue = (GLenum) GL_NO_ERROR; |
||
| 249 | ctx->ErrorDebugCount = 0; |
||
| 250 | return e; |
||
| 251 | } |