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Diffstat (limited to 'src/mesa/main/arbprogram.c')
| -rw-r--r-- | src/mesa/main/arbprogram.c | 940 |
1 files changed, 940 insertions, 0 deletions
diff --git a/src/mesa/main/arbprogram.c b/src/mesa/main/arbprogram.c new file mode 100644 index 00000000000..26d781954ed --- /dev/null +++ b/src/mesa/main/arbprogram.c @@ -0,0 +1,940 @@ +/* + * Mesa 3-D graphics library + * Version: 7.0 + * + * Copyright (C) 1999-2007 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 arbprogram.c + * ARB_vertex/fragment_program state management functions. + * \author Brian Paul + */ + + +#include "main/glheader.h" +#include "main/context.h" +#include "main/hash.h" +#include "main/imports.h" +#include "main/macros.h" +#include "main/mtypes.h" +#include "main/arbprogram.h" +#include "program/arbprogparse.h" +#include "program/nvfragparse.h" +#include "program/nvvertparse.h" +#include "program/program.h" + + + +/** + * Mixing ARB and NV vertex/fragment programs can be tricky. + * Note: GL_VERTEX_PROGRAM_ARB == GL_VERTEX_PROGRAM_NV + * but, GL_FRAGMENT_PROGRAM_ARB != GL_FRAGMENT_PROGRAM_NV + * The two different fragment program targets are supposed to be compatible + * to some extent (see GL_ARB_fragment_program spec). + * This function does the compatibility check. + */ +static GLboolean +compatible_program_targets(GLenum t1, GLenum t2) +{ + if (t1 == t2) + return GL_TRUE; + if (t1 == GL_FRAGMENT_PROGRAM_ARB && t2 == GL_FRAGMENT_PROGRAM_NV) + return GL_TRUE; + if (t1 == GL_FRAGMENT_PROGRAM_NV && t2 == GL_FRAGMENT_PROGRAM_ARB) + return GL_TRUE; + return GL_FALSE; +} + + +/** + * Bind a program (make it current) + * \note Called from the GL API dispatcher by both glBindProgramNV + * and glBindProgramARB. + */ +void GLAPIENTRY +_mesa_BindProgram(GLenum target, GLuint id) +{ + struct gl_program *curProg, *newProg; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + /* Error-check target and get curProg */ + if ((target == GL_VERTEX_PROGRAM_ARB) && /* == GL_VERTEX_PROGRAM_NV */ + (ctx->Extensions.NV_vertex_program || + ctx->Extensions.ARB_vertex_program)) { + curProg = &ctx->VertexProgram.Current->Base; + } + else if ((target == GL_FRAGMENT_PROGRAM_NV + && ctx->Extensions.NV_fragment_program) || + (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program)) { + curProg = &ctx->FragmentProgram.Current->Base; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glBindProgramNV/ARB(target)"); + return; + } + + /* + * Get pointer to new program to bind. + * NOTE: binding to a non-existant program is not an error. + * That's supposed to be caught in glBegin. + */ + if (id == 0) { + /* Bind a default program */ + newProg = NULL; + if (target == GL_VERTEX_PROGRAM_ARB) /* == GL_VERTEX_PROGRAM_NV */ + newProg = &ctx->Shared->DefaultVertexProgram->Base; + else + newProg = &ctx->Shared->DefaultFragmentProgram->Base; + } + else { + /* Bind a user program */ + newProg = _mesa_lookup_program(ctx, id); + if (!newProg || newProg == &_mesa_DummyProgram) { + /* allocate a new program now */ + newProg = ctx->Driver.NewProgram(ctx, target, id); + if (!newProg) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindProgramNV/ARB"); + return; + } + _mesa_HashInsert(ctx->Shared->Programs, id, newProg); + } + else if (!compatible_program_targets(newProg->Target, target)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBindProgramNV/ARB(target mismatch)"); + return; + } + } + + /** All error checking is complete now **/ + + if (curProg->Id == id) { + /* binding same program - no change */ + return; + } + + /* signal new program (and its new constants) */ + FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + + /* bind newProg */ + if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, + (struct gl_vertex_program *) newProg); + } + else if (target == GL_FRAGMENT_PROGRAM_NV || + target == GL_FRAGMENT_PROGRAM_ARB) { + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, + (struct gl_fragment_program *) newProg); + } + + /* Never null pointers */ + ASSERT(ctx->VertexProgram.Current); + ASSERT(ctx->FragmentProgram.Current); + + if (ctx->Driver.BindProgram) + ctx->Driver.BindProgram(ctx, target, newProg); +} + + +/** + * Delete a list of programs. + * \note Not compiled into display lists. + * \note Called by both glDeleteProgramsNV and glDeleteProgramsARB. + */ +void GLAPIENTRY +_mesa_DeletePrograms(GLsizei n, const GLuint *ids) +{ + GLint i; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (n < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glDeleteProgramsNV" ); + return; + } + + for (i = 0; i < n; i++) { + if (ids[i] != 0) { + struct gl_program *prog = _mesa_lookup_program(ctx, ids[i]); + if (prog == &_mesa_DummyProgram) { + _mesa_HashRemove(ctx->Shared->Programs, ids[i]); + } + else if (prog) { + /* Unbind program if necessary */ + switch (prog->Target) { + case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */ + case GL_VERTEX_STATE_PROGRAM_NV: + if (ctx->VertexProgram.Current && + ctx->VertexProgram.Current->Base.Id == ids[i]) { + /* unbind this currently bound program */ + _mesa_BindProgram(prog->Target, 0); + } + break; + case GL_FRAGMENT_PROGRAM_NV: + case GL_FRAGMENT_PROGRAM_ARB: + if (ctx->FragmentProgram.Current && + ctx->FragmentProgram.Current->Base.Id == ids[i]) { + /* unbind this currently bound program */ + _mesa_BindProgram(prog->Target, 0); + } + break; + default: + _mesa_problem(ctx, "bad target in glDeleteProgramsNV"); + return; + } + /* The ID is immediately available for re-use now */ + _mesa_HashRemove(ctx->Shared->Programs, ids[i]); + _mesa_reference_program(ctx, &prog, NULL); + } + } + } +} + + +/** + * Generate a list of new program identifiers. + * \note Not compiled into display lists. + * \note Called by both glGenProgramsNV and glGenProgramsARB. + */ +void GLAPIENTRY +_mesa_GenPrograms(GLsizei n, GLuint *ids) +{ + GLuint first; + GLuint i; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGenPrograms"); + return; + } + + if (!ids) + return; + + first = _mesa_HashFindFreeKeyBlock(ctx->Shared->Programs, n); + + /* Insert pointer to dummy program as placeholder */ + for (i = 0; i < (GLuint) n; i++) { + _mesa_HashInsert(ctx->Shared->Programs, first + i, &_mesa_DummyProgram); + } + + /* Return the program names */ + for (i = 0; i < (GLuint) n; i++) { + ids[i] = first + i; + } +} + + +/** + * Determine if id names a vertex or fragment program. + * \note Not compiled into display lists. + * \note Called from both glIsProgramNV and glIsProgramARB. + * \param id is the program identifier + * \return GL_TRUE if id is a program, else GL_FALSE. + */ +GLboolean GLAPIENTRY +_mesa_IsProgramARB(GLuint id) +{ + struct gl_program *prog = NULL; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (id == 0) + return GL_FALSE; + + prog = _mesa_lookup_program(ctx, id); + if (prog && (prog != &_mesa_DummyProgram)) + return GL_TRUE; + else + return GL_FALSE; +} + + +void GLAPIENTRY +_mesa_ProgramStringARB(GLenum target, GLenum format, GLsizei len, + const GLvoid *string) +{ + struct gl_program *base; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + + if (!ctx->Extensions.ARB_vertex_program + && !ctx->Extensions.ARB_fragment_program) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramStringARB()"); + return; + } + + if (format != GL_PROGRAM_FORMAT_ASCII_ARB) { + _mesa_error(ctx, GL_INVALID_ENUM, "glProgramStringARB(format)"); + return; + } + + /* The first couple cases are complicated. The same enum value is used for + * ARB and NV vertex programs. If the target is a vertex program, parse it + * using the ARB grammar if the string starts with "!!ARB" or if + * NV_vertex_program is not supported. + */ + if (target == GL_VERTEX_PROGRAM_ARB + && ctx->Extensions.ARB_vertex_program + && ((strncmp(string, "!!ARB", 5) == 0) + || !ctx->Extensions.NV_vertex_program)) { + struct gl_vertex_program *prog = ctx->VertexProgram.Current; + _mesa_parse_arb_vertex_program(ctx, target, string, len, prog); + + base = & prog->Base; + } + else if ((target == GL_VERTEX_PROGRAM_ARB + || target == GL_VERTEX_STATE_PROGRAM_NV) + && ctx->Extensions.NV_vertex_program) { + struct gl_vertex_program *prog = ctx->VertexProgram.Current; + _mesa_parse_nv_vertex_program(ctx, target, string, len, prog); + + base = & prog->Base; + } + else if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + struct gl_fragment_program *prog = ctx->FragmentProgram.Current; + _mesa_parse_arb_fragment_program(ctx, target, string, len, prog); + + base = & prog->Base; + } + else if (target == GL_FRAGMENT_PROGRAM_NV + && ctx->Extensions.NV_fragment_program) { + struct gl_fragment_program *prog = ctx->FragmentProgram.Current; + _mesa_parse_nv_fragment_program(ctx, target, string, len, prog); + + base = & prog->Base; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glProgramStringARB(target)"); + return; + } + + if (ctx->Program.ErrorPos == -1) { + /* finally, give the program to the driver for translation/checking */ + if (!ctx->Driver.ProgramStringNotify(ctx, target, base)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glProgramStringARB(rejected by driver"); + } + } +} + + +/** + * Set a program env parameter register. + * \note Called from the GL API dispatcher. + * Note, this function is also used by the GL_NV_vertex_program extension + * (alias to ProgramParameterdNV) + */ +void GLAPIENTRY +_mesa_ProgramEnvParameter4dARB(GLenum target, GLuint index, + GLdouble x, GLdouble y, GLdouble z, GLdouble w) +{ + _mesa_ProgramEnvParameter4fARB(target, index, (GLfloat) x, (GLfloat) y, + (GLfloat) z, (GLfloat) w); +} + + +/** + * Set a program env parameter register. + * \note Called from the GL API dispatcher. + * Note, this function is also used by the GL_NV_vertex_program extension + * (alias to ProgramParameterdvNV) + */ +void GLAPIENTRY +_mesa_ProgramEnvParameter4dvARB(GLenum target, GLuint index, + const GLdouble *params) +{ + _mesa_ProgramEnvParameter4fARB(target, index, (GLfloat) params[0], + (GLfloat) params[1], (GLfloat) params[2], + (GLfloat) params[3]); +} + + +/** + * Set a program env parameter register. + * \note Called from the GL API dispatcher. + * Note, this function is also used by the GL_NV_vertex_program extension + * (alias to ProgramParameterfNV) + */ +void GLAPIENTRY +_mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index, + GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); + + if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + if (index >= ctx->Const.FragmentProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter(index)"); + return; + } + ASSIGN_4V(ctx->FragmentProgram.Parameters[index], x, y, z, w); + } + else if (target == GL_VERTEX_PROGRAM_ARB /* == GL_VERTEX_PROGRAM_NV */ + && (ctx->Extensions.ARB_vertex_program || ctx->Extensions.NV_vertex_program)) { + if (index >= ctx->Const.VertexProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter(index)"); + return; + } + ASSIGN_4V(ctx->VertexProgram.Parameters[index], x, y, z, w); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameter(target)"); + return; + } +} + + + +/** + * Set a program env parameter register. + * \note Called from the GL API dispatcher. + * Note, this function is also used by the GL_NV_vertex_program extension + * (alias to ProgramParameterfvNV) + */ +void GLAPIENTRY +_mesa_ProgramEnvParameter4fvARB(GLenum target, GLuint index, + const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); + + if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + if (index >= ctx->Const.FragmentProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter4fv(index)"); + return; + } + memcpy(ctx->FragmentProgram.Parameters[index], params, + 4 * sizeof(GLfloat)); + } + else if (target == GL_VERTEX_PROGRAM_ARB /* == GL_VERTEX_PROGRAM_NV */ + && (ctx->Extensions.ARB_vertex_program || ctx->Extensions.NV_vertex_program)) { + if (index >= ctx->Const.VertexProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter4fv(index)"); + return; + } + memcpy(ctx->VertexProgram.Parameters[index], params, + 4 * sizeof(GLfloat)); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameter4fv(target)"); + return; + } +} + + +void GLAPIENTRY +_mesa_ProgramEnvParameters4fvEXT(GLenum target, GLuint index, GLsizei count, + const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat * dest; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); + + if (count <= 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(count)"); + } + + if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + if ((index + count) > ctx->Const.FragmentProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(index + count)"); + return; + } + dest = ctx->FragmentProgram.Parameters[index]; + } + else if (target == GL_VERTEX_PROGRAM_ARB + && ctx->Extensions.ARB_vertex_program) { + if ((index + count) > ctx->Const.VertexProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(index + count)"); + return; + } + dest = ctx->VertexProgram.Parameters[index]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glProgramEnvParameters4fv(target)"); + return; + } + + memcpy(dest, params, count * 4 * sizeof(GLfloat)); +} + + +void GLAPIENTRY +_mesa_GetProgramEnvParameterdvARB(GLenum target, GLuint index, + GLdouble *params) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat fparams[4]; + + _mesa_GetProgramEnvParameterfvARB(target, index, fparams); + if (ctx->ErrorValue == GL_NO_ERROR) { + params[0] = fparams[0]; + params[1] = fparams[1]; + params[2] = fparams[2]; + params[3] = fparams[3]; + } +} + + +void GLAPIENTRY +_mesa_GetProgramEnvParameterfvARB(GLenum target, GLuint index, + GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + if (index >= ctx->Const.FragmentProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramEnvParameter(index)"); + return; + } + COPY_4V(params, ctx->FragmentProgram.Parameters[index]); + } + else if (target == GL_VERTEX_PROGRAM_ARB + && ctx->Extensions.ARB_vertex_program) { + if (index >= ctx->Const.VertexProgram.MaxEnvParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramEnvParameter(index)"); + return; + } + COPY_4V(params, ctx->VertexProgram.Parameters[index]); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramEnvParameter(target)"); + return; + } +} + + +/** + * Note, this function is also used by the GL_NV_fragment_program extension. + */ +void GLAPIENTRY +_mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index, + GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_program *prog; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); + + if ((target == GL_FRAGMENT_PROGRAM_NV + && ctx->Extensions.NV_fragment_program) || + (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program)) { + if (index >= ctx->Const.FragmentProgram.MaxLocalParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameterARB"); + return; + } + prog = &(ctx->FragmentProgram.Current->Base); + } + else if (target == GL_VERTEX_PROGRAM_ARB + && ctx->Extensions.ARB_vertex_program) { + if (index >= ctx->Const.VertexProgram.MaxLocalParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameterARB"); + return; + } + prog = &(ctx->VertexProgram.Current->Base); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameterARB"); + return; + } + + ASSERT(index < MAX_PROGRAM_LOCAL_PARAMS); + prog->LocalParams[index][0] = x; + prog->LocalParams[index][1] = y; + prog->LocalParams[index][2] = z; + prog->LocalParams[index][3] = w; +} + + +/** + * Note, this function is also used by the GL_NV_fragment_program extension. + */ +void GLAPIENTRY +_mesa_ProgramLocalParameter4fvARB(GLenum target, GLuint index, + const GLfloat *params) +{ + _mesa_ProgramLocalParameter4fARB(target, index, params[0], params[1], + params[2], params[3]); +} + + +void GLAPIENTRY +_mesa_ProgramLocalParameters4fvEXT(GLenum target, GLuint index, GLsizei count, + const GLfloat *params) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat *dest; + ASSERT_OUTSIDE_BEGIN_END(ctx); + + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); + + if (count <= 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fv(count)"); + } + + if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + if ((index + count) > ctx->Const.FragmentProgram.MaxLocalParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fvEXT(index + count)"); + return; + } + dest = ctx->FragmentProgram.Current->Base.LocalParams[index]; + } + else if (target == GL_VERTEX_PROGRAM_ARB + && ctx->Extensions.ARB_vertex_program) { + if ((index + count) > ctx->Const.VertexProgram.MaxLocalParams) { + _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fvEXT(index + count)"); + return; + } + dest = ctx->VertexProgram.Current->Base.LocalParams[index]; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameters4fvEXT(target)"); + return; + } + + memcpy(dest, params, count * 4 * sizeof(GLfloat)); +} + + +/** + * Note, this function is also used by the GL_NV_fragment_program extension. + */ +void GLAPIENTRY +_mesa_ProgramLocalParameter4dARB(GLenum target, GLuint index, + GLdouble x, GLdouble y, + GLdouble z, GLdouble w) +{ + _mesa_ProgramLocalParameter4fARB(target, index, (GLfloat) x, (GLfloat) y, + (GLfloat) z, (GLfloat) w); +} + + +/** + * Note, this function is also used by the GL_NV_fragment_program extension. + */ +void GLAPIENTRY +_mesa_ProgramLocalParameter4dvARB(GLenum target, GLuint index, + const GLdouble *params) +{ + _mesa_ProgramLocalParameter4fARB(target, index, + (GLfloat) params[0], (GLfloat) params[1], + (GLfloat) params[2], (GLfloat) params[3]); +} + + +/** + * Note, this function is also used by the GL_NV_fragment_program extension. + */ +void GLAPIENTRY +_mesa_GetProgramLocalParameterfvARB(GLenum target, GLuint index, + GLfloat *params) +{ + const struct gl_program *prog; + GLuint maxParams; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_VERTEX_PROGRAM_ARB + && ctx->Extensions.ARB_vertex_program) { + prog = &(ctx->VertexProgram.Current->Base); + maxParams = ctx->Const.VertexProgram.MaxLocalParams; + } + else if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + prog = &(ctx->FragmentProgram.Current->Base); + maxParams = ctx->Const.FragmentProgram.MaxLocalParams; + } + else if (target == GL_FRAGMENT_PROGRAM_NV + && ctx->Extensions.NV_fragment_program) { + prog = &(ctx->FragmentProgram.Current->Base); + maxParams = MAX_NV_FRAGMENT_PROGRAM_PARAMS; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetProgramLocalParameterARB(target)"); + return; + } + + if (index >= maxParams) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glGetProgramLocalParameterARB(index)"); + return; + } + + ASSERT(prog); + ASSERT(index < MAX_PROGRAM_LOCAL_PARAMS); + COPY_4V(params, prog->LocalParams[index]); +} + + +/** + * Note, this function is also used by the GL_NV_fragment_program extension. + */ +void GLAPIENTRY +_mesa_GetProgramLocalParameterdvARB(GLenum target, GLuint index, + GLdouble *params) +{ + GET_CURRENT_CONTEXT(ctx); + GLfloat floatParams[4]; + ASSIGN_4V(floatParams, 0.0F, 0.0F, 0.0F, 0.0F); + _mesa_GetProgramLocalParameterfvARB(target, index, floatParams); + if (ctx->ErrorValue == GL_NO_ERROR) { + COPY_4V(params, floatParams); + } +} + + +void GLAPIENTRY +_mesa_GetProgramivARB(GLenum target, GLenum pname, GLint *params) +{ + const struct gl_program_constants *limits; + struct gl_program *prog; + GET_CURRENT_CONTEXT(ctx); + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_VERTEX_PROGRAM_ARB + && ctx->Extensions.ARB_vertex_program) { + prog = &(ctx->VertexProgram.Current->Base); + limits = &ctx->Const.VertexProgram; + } + else if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + prog = &(ctx->FragmentProgram.Current->Base); + limits = &ctx->Const.FragmentProgram; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)"); + return; + } + + ASSERT(prog); + ASSERT(limits); + + /* Queries supported for both vertex and fragment programs */ + switch (pname) { + case GL_PROGRAM_LENGTH_ARB: + *params + = prog->String ? (GLint) strlen((char *) prog->String) : 0; + return; + case GL_PROGRAM_FORMAT_ARB: + *params = prog->Format; + return; + case GL_PROGRAM_BINDING_ARB: + *params = prog->Id; + return; + case GL_PROGRAM_INSTRUCTIONS_ARB: + *params = prog->NumInstructions; + return; + case GL_MAX_PROGRAM_INSTRUCTIONS_ARB: + *params = limits->MaxInstructions; + return; + case GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB: + *params = prog->NumNativeInstructions; + return; + case GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB: + *params = limits->MaxNativeInstructions; + return; + case GL_PROGRAM_TEMPORARIES_ARB: + *params = prog->NumTemporaries; + return; + case GL_MAX_PROGRAM_TEMPORARIES_ARB: + *params = limits->MaxTemps; + return; + case GL_PROGRAM_NATIVE_TEMPORARIES_ARB: + *params = prog->NumNativeTemporaries; + return; + case GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB: + *params = limits->MaxNativeTemps; + return; + case GL_PROGRAM_PARAMETERS_ARB: + *params = prog->NumParameters; + return; + case GL_MAX_PROGRAM_PARAMETERS_ARB: + *params = limits->MaxParameters; + return; + case GL_PROGRAM_NATIVE_PARAMETERS_ARB: + *params = prog->NumNativeParameters; + return; + case GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB: + *params = limits->MaxNativeParameters; + return; + case GL_PROGRAM_ATTRIBS_ARB: + *params = prog->NumAttributes; + return; + case GL_MAX_PROGRAM_ATTRIBS_ARB: + *params = limits->MaxAttribs; + return; + case GL_PROGRAM_NATIVE_ATTRIBS_ARB: + *params = prog->NumNativeAttributes; + return; + case GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB: + *params = limits->MaxNativeAttribs; + return; + case GL_PROGRAM_ADDRESS_REGISTERS_ARB: + *params = prog->NumAddressRegs; + return; + case GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB: + *params = limits->MaxAddressRegs; + return; + case GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB: + *params = prog->NumNativeAddressRegs; + return; + case GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB: + *params = limits->MaxNativeAddressRegs; + return; + case GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB: + *params = limits->MaxLocalParams; + return; + case GL_MAX_PROGRAM_ENV_PARAMETERS_ARB: + *params = limits->MaxEnvParams; + return; + case GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB: + /* + * XXX we may not really need a driver callback here. + * If the number of native instructions, registers, etc. used + * are all below the maximums, we could return true. + * The spec says that even if this query returns true, there's + * no guarantee that the program will run in hardware. + */ + if (prog->Id == 0) { + /* default/null program */ + *params = GL_FALSE; + } + else if (ctx->Driver.IsProgramNative) { + /* ask the driver */ + *params = ctx->Driver.IsProgramNative( ctx, target, prog ); + } + else { + /* probably running in software */ + *params = GL_TRUE; + } + return; + default: + /* continue with fragment-program only queries below */ + break; + } + + /* + * The following apply to fragment programs only (at this time) + */ + if (target == GL_FRAGMENT_PROGRAM_ARB) { + const struct gl_fragment_program *fp = ctx->FragmentProgram.Current; + switch (pname) { + case GL_PROGRAM_ALU_INSTRUCTIONS_ARB: + *params = fp->Base.NumNativeAluInstructions; + return; + case GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB: + *params = fp->Base.NumAluInstructions; + return; + case GL_PROGRAM_TEX_INSTRUCTIONS_ARB: + *params = fp->Base.NumTexInstructions; + return; + case GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB: + *params = fp->Base.NumNativeTexInstructions; + return; + case GL_PROGRAM_TEX_INDIRECTIONS_ARB: + *params = fp->Base.NumTexIndirections; + return; + case GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB: + *params = fp->Base.NumNativeTexIndirections; + return; + case GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB: + *params = limits->MaxAluInstructions; + return; + case GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB: + *params = limits->MaxNativeAluInstructions; + return; + case GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB: + *params = limits->MaxTexInstructions; + return; + case GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB: + *params = limits->MaxNativeTexInstructions; + return; + case GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB: + *params = limits->MaxTexIndirections; + return; + case GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB: + *params = limits->MaxNativeTexIndirections; + return; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)"); + return; + } + } else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)"); + return; + } +} + + +void GLAPIENTRY +_mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string) +{ + const struct gl_program *prog; + char *dst = (char *) string; + GET_CURRENT_CONTEXT(ctx); + + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (target == GL_VERTEX_PROGRAM_ARB) { + prog = &(ctx->VertexProgram.Current->Base); + } + else if (target == GL_FRAGMENT_PROGRAM_ARB) { + prog = &(ctx->FragmentProgram.Current->Base); + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(target)"); + return; + } + + ASSERT(prog); + + if (pname != GL_PROGRAM_STRING_ARB) { + _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(pname)"); + return; + } + + if (prog->String) + memcpy(dst, prog->String, strlen((char *) prog->String)); + else + *dst = '\0'; +} |