/* * Mesa 3-D graphics library * Version: 5.1 * * Copyright (C) 1999-2003 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. */ /** * \file nvprogram.c * NVIDIA vertex/fragment program state management functions. * \author Brian Paul */ #include "glheader.h" #include "context.h" #include "hash.h" #include "imports.h" #include "macros.h" #include "mtypes.h" #include "nvfragparse.h" #include "nvfragprog.h" #include "nvvertexec.h" #include "nvvertparse.h" #include "nvvertprog.h" #include "nvprogram.h" #include "program.h" /** * Execute a vertex state program. * \note Called from the GL API dispatcher. */ void _mesa_ExecuteProgramNV(GLenum target, GLuint id, const GLfloat *params) { struct vertex_program *vprog; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target != GL_VERTEX_STATE_PROGRAM_NV) { _mesa_error(ctx, GL_INVALID_ENUM, "glExecuteProgramNV"); return; } vprog = (struct vertex_program *) _mesa_HashLookup(ctx->Shared->Programs, id); if (!vprog || vprog->Base.Target != GL_VERTEX_STATE_PROGRAM_NV) { _mesa_error(ctx, GL_INVALID_OPERATION, "glExecuteProgramNV"); return; } _mesa_init_vp_registers(ctx); _mesa_init_tracked_matrices(ctx); COPY_4V(ctx->VertexProgram.Inputs[VERT_ATTRIB_POS], params); _mesa_exec_vertex_program(ctx, vprog); } /** * Determine if a set of programs is resident in hardware. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ GLboolean _mesa_AreProgramsResidentNV(GLsizei n, const GLuint *ids, GLboolean *residences) { GLint i, j; GLboolean allResident = GL_TRUE; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); if (n < 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV(n)"); return GL_FALSE; } for (i = 0; i < n; i++) { const struct program *prog; if (ids[i] == 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV"); return GL_FALSE; } prog = (const struct program *) _mesa_HashLookup(ctx->Shared->Programs, ids[i]); if (!prog) { _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV"); return GL_FALSE; } if (prog->Resident) { if (!allResident) residences[i] = GL_TRUE; } else { if (allResident) { allResident = GL_FALSE; for (j = 0; j < i; j++) residences[j] = GL_TRUE; } residences[i] = GL_FALSE; } } return allResident; } /** * Request that a set of programs be resident in hardware. * \note Called from the GL API dispatcher. */ void _mesa_RequestResidentProgramsNV(GLsizei n, const GLuint *ids) { GLint i; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (n < 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(n)"); return; } /* just error checking for now */ for (i = 0; i < n; i++) { struct program *prog; if (ids[i] == 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)"); return; } prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, ids[i]); if (!prog) { _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)"); return; } prog->Resident = GL_TRUE; } } /** * Get a program parameter register. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetProgramParameterfvNV(GLenum target, GLuint index, GLenum pname, GLfloat *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target == GL_VERTEX_PROGRAM_NV) { if (pname == GL_PROGRAM_PARAMETER_NV) { if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) { COPY_4V(params, ctx->VertexProgram.Parameters[index]); } else { _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramParameterfvNV(index)"); return; } } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(pname)"); return; } } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(target)"); return; } } /** * Get a program parameter register. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetProgramParameterdvNV(GLenum target, GLuint index, GLenum pname, GLdouble *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target == GL_VERTEX_PROGRAM_NV) { if (pname == GL_PROGRAM_PARAMETER_NV) { if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) { COPY_4V(params, ctx->VertexProgram.Parameters[index]); } else { _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramParameterdvNV(index)"); return; } } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(pname)"); return; } } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(target)"); return; } } /** * Get a program attribute. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetProgramivNV(GLuint id, GLenum pname, GLint *params) { struct program *prog; GET_CURRENT_CONTEXT(ctx); if (!ctx->_CurrentProgram) ASSERT_OUTSIDE_BEGIN_END(ctx); prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id); if (!prog) { _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV"); return; } switch (pname) { case GL_PROGRAM_TARGET_NV: *params = prog->Target; return; case GL_PROGRAM_LENGTH_NV: *params = prog->String ? _mesa_strlen((char *) prog->String) : 0; return; case GL_PROGRAM_RESIDENT_NV: *params = prog->Resident; return; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)"); return; } } /** * Get the program source code. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetProgramStringNV(GLuint id, GLenum pname, GLubyte *program) { struct program *prog; GET_CURRENT_CONTEXT(ctx); if (!ctx->_CurrentProgram) ASSERT_OUTSIDE_BEGIN_END(ctx); if (pname != GL_PROGRAM_STRING_NV) { _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringNV(pname)"); return; } prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id); if (!prog) { _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramStringNV"); return; } if (prog->String) { MEMCPY(program, prog->String, _mesa_strlen((char *) prog->String)); } else { program[0] = 0; } } /** * Get matrix tracking information. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetTrackMatrixivNV(GLenum target, GLuint address, GLenum pname, GLint *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) { GLuint i; if ((address & 0x3) || address >= MAX_NV_VERTEX_PROGRAM_PARAMS) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetTrackMatrixivNV(address)"); return; } i = address / 4; switch (pname) { case GL_TRACK_MATRIX_NV: params[0] = (GLint) ctx->VertexProgram.TrackMatrix[i]; return; case GL_TRACK_MATRIX_TRANSFORM_NV: params[0] = (GLint) ctx->VertexProgram.TrackMatrixTransform[i]; return; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV"); return; } } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV"); return; } } /** * Get a vertex (or vertex array) attribute. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetVertexAttribdvNV(GLuint index, GLenum pname, GLdouble *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (index == 0 || index >= MAX_NV_VERTEX_PROGRAM_INPUTS) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)"); return; } switch (pname) { case GL_ATTRIB_ARRAY_SIZE_NV: params[0] = ctx->Array.VertexAttrib[index].Size; break; case GL_ATTRIB_ARRAY_STRIDE_NV: params[0] = ctx->Array.VertexAttrib[index].Stride; break; case GL_ATTRIB_ARRAY_TYPE_NV: params[0] = ctx->Array.VertexAttrib[index].Type; break; case GL_CURRENT_ATTRIB_NV: FLUSH_CURRENT(ctx, 0); COPY_4V(params, ctx->Current.Attrib[index]); break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV"); return; } } /** * Get a vertex (or vertex array) attribute. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetVertexAttribfvNV(GLuint index, GLenum pname, GLfloat *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (index == 0 || index >= MAX_NV_VERTEX_PROGRAM_INPUTS) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)"); return; } switch (pname) { case GL_ATTRIB_ARRAY_SIZE_NV: params[0] = (GLfloat) ctx->Array.VertexAttrib[index].Size; break; case GL_ATTRIB_ARRAY_STRIDE_NV: params[0] = (GLfloat) ctx->Array.VertexAttrib[index].Stride; break; case GL_ATTRIB_ARRAY_TYPE_NV: params[0] = (GLfloat) ctx->Array.VertexAttrib[index].Type; break; case GL_CURRENT_ATTRIB_NV: FLUSH_CURRENT(ctx, 0); COPY_4V(params, ctx->Current.Attrib[index]); break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV"); return; } } /** * Get a vertex (or vertex array) attribute. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (index == 0 || index >= MAX_NV_VERTEX_PROGRAM_INPUTS) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)"); return; } switch (pname) { case GL_ATTRIB_ARRAY_SIZE_NV: params[0] = ctx->Array.VertexAttrib[index].Size; break; case GL_ATTRIB_ARRAY_STRIDE_NV: params[0] = ctx->Array.VertexAttrib[index].Stride; break; case GL_ATTRIB_ARRAY_TYPE_NV: params[0] = ctx->Array.VertexAttrib[index].Type; break; case GL_CURRENT_ATTRIB_NV: FLUSH_CURRENT(ctx, 0); params[0] = (GLint) ctx->Current.Attrib[index][0]; params[1] = (GLint) ctx->Current.Attrib[index][1]; params[2] = (GLint) ctx->Current.Attrib[index][2]; params[3] = (GLint) ctx->Current.Attrib[index][3]; break; case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB: if (!ctx->Extensions.ARB_vertex_buffer_object) { _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV"); return; } params[0] = ctx->Array.VertexAttrib[index].BufferBinding; break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV"); return; } } /** * Get a vertex array attribute pointer. * \note Not compiled into display lists. * \note Called from the GL API dispatcher. */ void _mesa_GetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerNV(index)"); return; } if (pname != GL_ATTRIB_ARRAY_POINTER_NV) { _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerNV(pname)"); return; } *pointer = ctx->Array.VertexAttrib[index].Ptr;; } /** * Load/parse/compile a program. * \note Called from the GL API dispatcher. */ void _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len, const GLubyte *program) { struct program *prog; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (id == 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(id)"); return; } prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id); if (prog && prog->Target != 0 && prog->Target != target) { _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(target)"); return; } if ((target == GL_VERTEX_PROGRAM_NV || target == GL_VERTEX_STATE_PROGRAM_NV) && ctx->Extensions.NV_vertex_program) { struct vertex_program *vprog = (struct vertex_program *) prog; if (!vprog) { vprog = CALLOC_STRUCT(vertex_program); if (!vprog) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV"); return; } vprog->Base.RefCount = 1; vprog->Base.Resident = GL_TRUE; _mesa_HashInsert(ctx->Shared->Programs, id, vprog); } _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog); } else if (target == GL_FRAGMENT_PROGRAM_NV && ctx->Extensions.NV_fragment_program) { struct fragment_program *fprog = (struct fragment_program *) prog; if (!fprog) { fprog = CALLOC_STRUCT(fragment_program); if (!fprog) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV"); return; } fprog->Base.RefCount = 1; fprog->Base.Resident = GL_TRUE; _mesa_HashInsert(ctx->Shared->Programs, id, fprog); } _mesa_parse_nv_fragment_program(ctx, target, program, len, fprog); } else { _mesa_error(ctx, GL_INVALID_ENUM, "glLoadProgramNV(target)"); } } /** * Set a program parameter register. * \note Called from the GL API dispatcher. */ void _mesa_ProgramParameter4dNV(GLenum target, GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w) { _mesa_ProgramParameter4fNV(target, index, (GLfloat)x, (GLfloat)y, (GLfloat)z, (GLfloat)w); } /** * Set a program parameter register. * \note Called from the GL API dispatcher. */ void _mesa_ProgramParameter4dvNV(GLenum target, GLuint index, const GLdouble *params) { _mesa_ProgramParameter4fNV(target, index, (GLfloat)params[0], (GLfloat)params[1], (GLfloat)params[2], (GLfloat)params[3]); } /** * Set a program parameter register. * \note Called from the GL API dispatcher. */ void _mesa_ProgramParameter4fNV(GLenum target, GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) { if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) { ASSIGN_4V(ctx->VertexProgram.Parameters[index], x, y, z, w); } else { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameterNV(index)"); return; } } else { _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameterNV"); return; } } /** * Set a program parameter register. * \note Called from the GL API dispatcher. */ void _mesa_ProgramParameter4fvNV(GLenum target, GLuint index, const GLfloat *params) { _mesa_ProgramParameter4fNV(target, index, params[0], params[1], params[2], params[3]); } /** * Set a sequence of program parameter registers. * \note Called from the GL API dispatcher. */ void _mesa_ProgramParameters4dvNV(GLenum target, GLuint index, GLuint num, const GLdouble *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) { GLuint i; if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4dvNV"); return; } for (i = 0; i < num; i++) { ctx->VertexProgram.Parameters[index + i][0] = (GLfloat) params[0]; ctx->VertexProgram.Parameters[index + i][1] = (GLfloat) params[1]; ctx->VertexProgram.Parameters[index + i][2] = (GLfloat) params[2]; ctx->VertexProgram.Parameters[index + i][3] = (GLfloat) params[3]; params += 4; }; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4dvNV"); return; } } /** * Set a sequence of program parameter registers. * \note Called from the GL API dispatcher. */ void _mesa_ProgramParameters4fvNV(GLenum target, GLuint index, GLuint num, const GLfloat *params) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) { GLuint i; if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4fvNV"); return; } for (i = 0; i < num; i++) { COPY_4V(ctx->VertexProgram.Parameters[index + i], params); params += 4; }; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4fvNV"); return; } } /** * Setup tracking of matrices into program parameter registers. * \note Called from the GL API dispatcher. */ void _mesa_TrackMatrixNV(GLenum target, GLuint address, GLenum matrix, GLenum transform) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) { if (address & 0x3) { /* addr must be multiple of four */ _mesa_error(ctx, GL_INVALID_VALUE, "glTrackMatrixNV(address)"); return; } switch (matrix) { case GL_NONE: case GL_MODELVIEW: case GL_PROJECTION: case GL_TEXTURE: case GL_COLOR: case GL_MODELVIEW_PROJECTION_NV: case GL_MATRIX0_NV: case GL_MATRIX1_NV: case GL_MATRIX2_NV: case GL_MATRIX3_NV: case GL_MATRIX4_NV: case GL_MATRIX5_NV: case GL_MATRIX6_NV: case GL_MATRIX7_NV: /* OK, fallthrough */ break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(matrix)"); return; } switch (transform) { case GL_IDENTITY_NV: case GL_INVERSE_NV: case GL_TRANSPOSE_NV: case GL_INVERSE_TRANSPOSE_NV: /* OK, fallthrough */ break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(transform)"); return; } ctx->VertexProgram.TrackMatrix[address / 4] = matrix; ctx->VertexProgram.TrackMatrixTransform[address / 4] = transform; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(target)"); return; } } void _mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name, GLfloat x, GLfloat y, GLfloat z, GLfloat w) { struct program *prog; struct fragment_program *fragProg; GLfloat *v; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id); if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) { _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramNamedParameterNV"); return; } if (len <= 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV"); return; } fragProg = (struct fragment_program *) prog; v = _mesa_lookup_parameter_value(fragProg->Parameters, len, (char *) name); if (v) { v[0] = x; v[1] = y; v[2] = z; v[3] = w; return; } _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV"); } void _mesa_ProgramNamedParameter4fvNV(GLuint id, GLsizei len, const GLubyte *name, const float v[]) { _mesa_ProgramNamedParameter4fNV(id, len, name, v[0], v[1], v[2], v[3]); } void _mesa_ProgramNamedParameter4dNV(GLuint id, GLsizei len, const GLubyte *name, GLdouble x, GLdouble y, GLdouble z, GLdouble w) { _mesa_ProgramNamedParameter4fNV(id, len, name, (GLfloat)x, (GLfloat)y, (GLfloat)z, (GLfloat)w); } void _mesa_ProgramNamedParameter4dvNV(GLuint id, GLsizei len, const GLubyte *name, const double v[]) { _mesa_ProgramNamedParameter4fNV(id, len, name, (GLfloat)v[0], (GLfloat)v[1], (GLfloat)v[2], (GLfloat)v[3]); } void _mesa_GetProgramNamedParameterfvNV(GLuint id, GLsizei len, const GLubyte *name, GLfloat *params) { struct program *prog; struct fragment_program *fragProg; const GLfloat *v; GET_CURRENT_CONTEXT(ctx); if (!ctx->_CurrentProgram) ASSERT_OUTSIDE_BEGIN_END(ctx); prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id); if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) { _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramNamedParameterNV"); return; } if (len <= 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV"); return; } fragProg = (struct fragment_program *) prog; v = _mesa_lookup_parameter_value(fragProg->Parameters, len, (char *) name); if (v) { params[0] = v[0]; params[1] = v[1]; params[2] = v[2]; params[3] = v[3]; return; } _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV"); } void _mesa_GetProgramNamedParameterdvNV(GLuint id, GLsizei len, const GLubyte *name, GLdouble *params) { GLfloat floatParams[4]; _mesa_GetProgramNamedParameterfvNV(id, len, name, floatParams); COPY_4V(params, floatParams); }