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* Mesa 3-D graphics library
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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#include "debug_output.h"
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#include "extensions.h"
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#include "spirv_extensions.h"
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#include "api_exec_decl.h"
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#include "pipe/p_context.h"
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#include "pipe/p_screen.h"
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* Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query.
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static const GLubyte *
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shading_language_version(struct gl_context *ctx)
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case API_OPENGL_COMPAT:
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switch (ctx->Const.GLSLVersion) {
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return (const GLubyte *) "1.20";
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return (const GLubyte *) "1.30";
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return (const GLubyte *) "1.40";
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return (const GLubyte *) "1.50";
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return (const GLubyte *) "3.30";
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return (const GLubyte *) "4.00";
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return (const GLubyte *) "4.10";
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return (const GLubyte *) "4.20";
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return (const GLubyte *) "4.30";
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return (const GLubyte *) "4.40";
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return (const GLubyte *) "4.50";
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return (const GLubyte *) "4.60";
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"Invalid GLSL version in shading_language_version()");
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return (const GLubyte *) 0;
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switch (ctx->Version) {
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return (const GLubyte *) "OpenGL ES GLSL ES 1.0.16";
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return (const GLubyte *) "OpenGL ES GLSL ES 3.00";
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return (const GLubyte *) "OpenGL ES GLSL ES 3.10";
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return (const GLubyte *) "OpenGL ES GLSL ES 3.20";
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"Invalid OpenGL ES version in shading_language_version()");
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return (const GLubyte *) 0;
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_mesa_problem(ctx, "Unexpected API value in shading_language_version()");
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return (const GLubyte *) 0;
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* Query string-valued state. The return value should _not_ be freed by
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* \param name the state variable to query.
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* Tries to get the string from dd_function_table::GetString, otherwise returns
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* the hardcoded strings.
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const GLubyte * GLAPIENTRY
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_mesa_GetString( GLenum name )
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GET_CURRENT_CONTEXT(ctx);
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static const char *vendor = "Brian Paul";
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static const char *renderer = "Mesa";
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ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
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if (ctx->Const.VendorOverride && name == GL_VENDOR) {
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return (const GLubyte *) ctx->Const.VendorOverride;
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if (ctx->Const.RendererOverride && name == GL_RENDERER) {
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return (const GLubyte *) ctx->Const.RendererOverride;
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struct pipe_screen *screen = ctx->pipe->screen;
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const GLubyte *str = (const GLubyte *)screen->get_vendor(screen);
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return (const GLubyte *) vendor;
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const GLubyte *str = (const GLubyte *)screen->get_name(screen);
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return (const GLubyte *) renderer;
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return (const GLubyte *) ctx->VersionString;
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if (ctx->API == API_OPENGL_CORE) {
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_mesa_error(ctx, GL_INVALID_ENUM, "glGetString(GL_EXTENSIONS)");
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return (const GLubyte *) 0;
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if (!ctx->Extensions.String)
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ctx->Extensions.String = _mesa_make_extension_string(ctx);
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return (const GLubyte *) ctx->Extensions.String;
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case GL_SHADING_LANGUAGE_VERSION:
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if (ctx->API == API_OPENGLES)
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return shading_language_version(ctx);
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case GL_PROGRAM_ERROR_STRING_ARB:
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if (ctx->API == API_OPENGL_COMPAT &&
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(ctx->Extensions.ARB_fragment_program ||
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ctx->Extensions.ARB_vertex_program)) {
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return (const GLubyte *) ctx->Program.ErrorString;
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_mesa_error( ctx, GL_INVALID_ENUM, "glGetString" );
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return (const GLubyte *) 0;
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const GLubyte * GLAPIENTRY
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_mesa_GetStringi(GLenum name, GLuint index)
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
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if (index >= _mesa_get_extension_count(ctx)) {
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_mesa_error(ctx, GL_INVALID_VALUE, "glGetStringi(index=%u)", index);
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return (const GLubyte *) 0;
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return _mesa_get_enabled_extension(ctx, index);
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case GL_SHADING_LANGUAGE_VERSION:
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if (!_mesa_is_desktop_gl(ctx) || ctx->Version < 43) {
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_mesa_error(ctx, GL_INVALID_ENUM,
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"glGetStringi(GL_SHADING_LANGUAGE_VERSION): "
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"supported only in GL4.3 and later");
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return (const GLubyte *) 0;
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num = _mesa_get_shading_language_version(ctx, index, &version);
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_mesa_error(ctx, GL_INVALID_VALUE,
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"glGetStringi(GL_SHADING_LANGUAGE_VERSION, index=%d)",
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return (const GLubyte *) 0;
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return (const GLubyte *) version;
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case GL_SPIR_V_EXTENSIONS:
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if (!ctx->Extensions.ARB_spirv_extensions) {
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_mesa_error(ctx, GL_INVALID_ENUM, "glGetStringi");
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return (const GLubyte *) 0;
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if (index >= _mesa_get_spirv_extension_count(ctx)) {
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_mesa_error(ctx, GL_INVALID_VALUE, "glGetStringi(index=%u)", index);
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return (const GLubyte *) 0;
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return _mesa_get_enabled_spirv_extension(ctx, index);
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_mesa_error(ctx, GL_INVALID_ENUM, "glGetStringi");
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return (const GLubyte *) 0;
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_get_vao_pointerv(GLenum pname, struct gl_vertex_array_object* vao,
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GLvoid **params, const char* callerstr )
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GET_CURRENT_CONTEXT(ctx);
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const GLuint clientUnit = ctx->Array.ActiveTexture;
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if (MESA_VERBOSE & VERBOSE_API)
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_mesa_debug(ctx, "%s %s\n", callerstr, _mesa_enum_to_string(pname));
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case GL_VERTEX_ARRAY_POINTER:
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if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_POS].Ptr;
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case GL_NORMAL_ARRAY_POINTER:
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if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_NORMAL].Ptr;
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case GL_COLOR_ARRAY_POINTER:
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if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_COLOR0].Ptr;
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case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT:
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if (ctx->API != API_OPENGL_COMPAT)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_COLOR1].Ptr;
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case GL_FOG_COORDINATE_ARRAY_POINTER_EXT:
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if (ctx->API != API_OPENGL_COMPAT)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_FOG].Ptr;
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case GL_INDEX_ARRAY_POINTER:
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if (ctx->API != API_OPENGL_COMPAT)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Ptr;
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case GL_TEXTURE_COORD_ARRAY_POINTER:
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if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_TEX(clientUnit)].Ptr;
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case GL_EDGE_FLAG_ARRAY_POINTER:
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if (ctx->API != API_OPENGL_COMPAT)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Ptr;
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case GL_FEEDBACK_BUFFER_POINTER:
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if (ctx->API != API_OPENGL_COMPAT)
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*params = ctx->Feedback.Buffer;
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case GL_SELECTION_BUFFER_POINTER:
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if (ctx->API != API_OPENGL_COMPAT)
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*params = ctx->Select.Buffer;
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case GL_POINT_SIZE_ARRAY_POINTER_OES:
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if (ctx->API != API_OPENGLES)
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*params = (GLvoid *) vao->VertexAttrib[VERT_ATTRIB_POINT_SIZE].Ptr;
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case GL_DEBUG_CALLBACK_FUNCTION_ARB:
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case GL_DEBUG_CALLBACK_USER_PARAM_ARB:
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*params = _mesa_get_debug_state_ptr(ctx, pname);
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_mesa_error( ctx, GL_INVALID_ENUM, "%s", callerstr);
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* Return pointer-valued state, such as a vertex array pointer.
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* \param pname names state to be queried
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* \param params returns the pointer value
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* \sa glGetPointerv().
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* Tries to get the specified pointer via dd_function_table::GetPointerv,
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* otherwise gets the specified pointer from the current context.
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_mesa_GetPointerv( GLenum pname, GLvoid **params )
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GET_CURRENT_CONTEXT(ctx);
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const char *callerstr;
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if (_mesa_is_desktop_gl(ctx))
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callerstr = "glGetPointerv";
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callerstr = "glGetPointervKHR";
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_get_vao_pointerv(pname, ctx->Array.VAO, params, callerstr);
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_mesa_GetPointerIndexedvEXT( GLenum pname, GLuint index, GLvoid **params )
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GET_CURRENT_CONTEXT(ctx);
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if (MESA_VERBOSE & VERBOSE_API)
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_mesa_debug(ctx, "%s %s\n", "glGetPointerIndexedvEXT", _mesa_enum_to_string(pname));
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case GL_TEXTURE_COORD_ARRAY_POINTER:
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*params = (GLvoid *) ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_TEX(index)].Ptr;
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_mesa_error( ctx, GL_INVALID_ENUM, "glGetPointerIndexedvEXT");
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* Returns the current GL error code, or GL_NO_ERROR.
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* \return current error code
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* Returns __struct gl_contextRec::ErrorValue.
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_mesa_GetError( void )
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GET_CURRENT_CONTEXT(ctx);
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GLenum e = ctx->ErrorValue;
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ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
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/* From Issue (3) of the KHR_no_error spec:
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* "Should glGetError() always return NO_ERROR or have undefined
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* RESOLVED: It should for all errors except OUT_OF_MEMORY."
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if (_mesa_is_no_error_enabled(ctx) && e != GL_OUT_OF_MEMORY) {
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if (MESA_VERBOSE & VERBOSE_API)
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_mesa_debug(ctx, "glGetError <-- %s\n", _mesa_enum_to_string(e));
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ctx->ErrorValue = (GLenum) GL_NO_ERROR;
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ctx->ErrorDebugCount = 0;