diff options
Diffstat (limited to 'src/mesa/shader/program.c')
| -rw-r--r-- | src/mesa/shader/program.c | 145 |
1 files changed, 104 insertions, 41 deletions
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c index 681584941e..8442ba3248 100644 --- a/src/mesa/shader/program.c +++ b/src/mesa/shader/program.c @@ -207,6 +207,7 @@ _mesa_init_program_struct( GLcontext *ctx, struct gl_program *prog, prog->Target = target; prog->Resident = GL_TRUE; prog->RefCount = 1; + prog->Format = GL_PROGRAM_FORMAT_ASCII_ARB; } return prog; @@ -284,6 +285,9 @@ _mesa_delete_program(GLcontext *ctx, struct gl_program *prog) (void) ctx; ASSERT(prog); + if (prog == &_mesa_DummyProgram) + return; + if (prog->String) _mesa_free(prog->String); @@ -430,14 +434,24 @@ _mesa_add_named_parameter(struct gl_program_parameter_list *paramList, * This will be used when the program contains something like this: * PARAM myVals = { 0, 1, 2, 3 }; * - * \param paramList - the parameter list - * \param values - four float values - * \return index of the new parameter. + * \param paramList the parameter list + * \param name the name for the constant + * \param values four float values + * \return index/position of the new parameter in the parameter list */ GLint _mesa_add_named_constant(struct gl_program_parameter_list *paramList, - const char *name, const GLfloat values[4]) + const char *name, const GLfloat values[4], + GLuint size) { +#if 0 /* disable this for now -- we need to save the name! */ + GLuint pos, swizzle; + ASSERT(size == 4); /* XXX future feature */ + /* check if we already have this constant */ + if (_mesa_lookup_parameter_constant(paramList, values, 4, &pos, &swizzle)) { + return pos; + } +#endif return add_parameter(paramList, name, values, PROGRAM_CONSTANT); } @@ -447,14 +461,20 @@ _mesa_add_named_constant(struct gl_program_parameter_list *paramList, * This will be used when the program contains something like this: * MOV r, { 0, 1, 2, 3 }; * - * \param paramList - the parameter list - * \param values - four float values - * \return index of the new parameter. + * \param paramList the parameter list + * \param values four float values + * \return index/position of the new parameter in the parameter list. */ GLint _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, - const GLfloat values[4]) + const GLfloat values[4], GLuint size) { + GLuint pos, swizzle; + ASSERT(size == 4); /* XXX future feature */ + /* check if we already have this constant */ + if (_mesa_lookup_parameter_constant(paramList, values, 4, &pos, &swizzle)) { + return pos; + } return add_parameter(paramList, NULL, values, PROGRAM_CONSTANT); } @@ -464,8 +484,8 @@ _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, * This will be used when the program contains something like this: * PARAM ambient = state.material.front.ambient; * - * \param paramList - the parameter list - * \param state - an array of 6 state tokens + * \param paramList the parameter list + * \param state an array of 6 state tokens * \return index of the new parameter. */ GLint @@ -500,7 +520,7 @@ _mesa_add_state_reference(struct gl_program_parameter_list *paramList, * \return pointer to the float[4] values. */ GLfloat * -_mesa_lookup_parameter_value(struct gl_program_parameter_list *paramList, +_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList, GLsizei nameLen, const char *name) { GLuint i; @@ -530,11 +550,15 @@ _mesa_lookup_parameter_value(struct gl_program_parameter_list *paramList, /** - * Lookup a parameter index by name in the given parameter list. + * Given a program parameter name, find its position in the list of parameters. + * \param paramList the parameter list to search + * \param nameLen length of name (in chars). + * If length is negative, assume that name is null-terminated. + * \param name the name to search for * \return index of parameter in the list. */ GLint -_mesa_lookup_parameter_index(struct gl_program_parameter_list *paramList, +_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList, GLsizei nameLen, const char *name) { GLint i; @@ -564,6 +588,61 @@ _mesa_lookup_parameter_index(struct gl_program_parameter_list *paramList, /** + * Look for a float vector in the given parameter list. The float vector + * may be of length 1, 2, 3 or 4. + * \param paramList the parameter list to search + * \param v the float vector to search for + * \param size number of element in v + * \param posOut returns the position of the constant, if found + * \param swizzleOut returns a swizzle mask describing location of the + * vector elements if found + * \return GL_TRUE if found, GL_FALSE if not found + */ +GLboolean +_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *paramList, + const GLfloat v[], GLsizei vSize, + GLuint *posOut, GLuint *swizzleOut) +{ + GLuint i; + + assert(vSize >= 1); + assert(vSize <= 4); + + if (!paramList) + return -1; + + for (i = 0; i < paramList->NumParameters; i++) { + if (paramList->Parameters[i].Type == PROGRAM_CONSTANT) { + const GLint maxShift = 4 - vSize; + GLint shift, j; + for (shift = 0; shift <= maxShift; shift++) { + GLint matched = 0; + GLuint swizzle[4]; + swizzle[0] = swizzle[1] = swizzle[2] = swizzle[3] = 0; + /* XXX we could do out-of-order swizzle matches too, someday */ + for (j = 0; j < vSize; j++) { + assert(shift + j < 4); + if (paramList->ParameterValues[i][shift + j] == v[j]) { + matched++; + swizzle[j] = shift + j; + } + } + if (matched == vSize) { + /* found! */ + *posOut = i; + *swizzleOut = MAKE_SWIZZLE4(swizzle[0], swizzle[1], + swizzle[2], swizzle[3]); + return GL_TRUE; + } + } + } + } + + return GL_FALSE; +} + + +/** * Use the list of tokens in the state[] array to find global GL state * and return it in <value>. Usually, four values are returned in <value> * but matrix queries may return as many as 16 values. @@ -918,7 +997,9 @@ _mesa_fetch_state(GLcontext *ctx, const enum state_index state[], break; } default: - _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()"); + /* unknown state indexes are silently ignored + * should be handled by the driver. + */ return; } } @@ -995,7 +1076,9 @@ make_state_flags(const GLint state[]) case STATE_TEXRECT_SCALE: return _NEW_TEXTURE; default: - _mesa_problem(NULL, "unexpected int. state in make_state_flags()"); + /* unknown state indexes are silently ignored and + * no flag set, since it is handled by the driver. + */ return 0; } @@ -1267,7 +1350,7 @@ make_state_string(const GLint state[6]) case STATE_INTERNAL: break; default: - _mesa_problem(NULL, "Invalid state in maka_state_string"); + _mesa_problem(NULL, "Invalid state in make_state_string"); break; } @@ -1864,10 +1947,14 @@ _mesa_BindProgram(GLenum target, GLuint id) /* bind newProg */ if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */ + if (ctx->VertexProgram._Current == ctx->VertexProgram.Current) + ctx->VertexProgram._Current = (struct gl_vertex_program *) newProg; ctx->VertexProgram.Current = (struct gl_vertex_program *) newProg; } else if (target == GL_FRAGMENT_PROGRAM_NV || target == GL_FRAGMENT_PROGRAM_ARB) { + if (ctx->FragmentProgram._Current == ctx->FragmentProgram.Current) + ctx->FragmentProgram._Current = (struct gl_fragment_program *) newProg; ctx->FragmentProgram.Current = (struct gl_fragment_program *) newProg; } newProg->RefCount++; @@ -1886,7 +1973,7 @@ _mesa_BindProgram(GLenum target, GLuint id) * \note Not compiled into display lists. * \note Called by both glDeleteProgramsNV and glDeleteProgramsARB. */ -void GLAPIENTRY +void GLAPIENTRY _mesa_DeletePrograms(GLsizei n, const GLuint *ids) { GLint i; @@ -1973,30 +2060,6 @@ _mesa_GenPrograms(GLsizei n, GLuint *ids) } -/** - * 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_IsProgram(GLuint id) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); - - if (id == 0) - return GL_FALSE; - - if (_mesa_lookup_program(ctx, id)) - return GL_TRUE; - else - return GL_FALSE; -} - - - /**********************************************************************/ /* GL_MESA_program_debug extension */ /**********************************************************************/ |