From b2a3a8554a114d93691d5350c234d2022c2c2916 Mon Sep 17 00:00:00 2001 From: Brian Date: Thu, 14 Dec 2006 13:56:58 -0700 Subject: [PATCH] New functions for cloning programs and parameter lists. --- src/mesa/shader/program.c | 128 +++++++++++++++++++++++++++++++++++--- src/mesa/shader/program.h | 14 ++++- 2 files changed, 131 insertions(+), 11 deletions(-) diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c index 1cf3547969f..6245870722e 100644 --- a/src/mesa/shader/program.c +++ b/src/mesa/shader/program.c @@ -365,6 +365,7 @@ _mesa_free_parameter_list(struct gl_program_parameter_list *paramList) } + /** * Add a new parameter to a parameter list. * \param paramList the list to add the parameter to @@ -374,10 +375,10 @@ _mesa_free_parameter_list(struct gl_program_parameter_list *paramList) * \param type type of parameter, such as * \return index of new parameter in the list, or -1 if error (out of mem) */ -static GLint -add_parameter(struct gl_program_parameter_list *paramList, - const char *name, const GLfloat values[4], GLuint size, - enum register_file type) +GLint +_mesa_add_parameter(struct gl_program_parameter_list *paramList, + const char *name, const GLfloat values[4], GLuint size, + enum register_file type) { const GLuint n = paramList->NumParameters; @@ -416,6 +417,7 @@ add_parameter(struct gl_program_parameter_list *paramList, paramList->Parameters[n].Name = name ? _mesa_strdup(name) : NULL; paramList->Parameters[n].Type = type; + paramList->Parameters[n].Size = size; if (values) COPY_4V(paramList->ParameterValues[n], values); return (GLint) n; @@ -431,7 +433,7 @@ GLint _mesa_add_named_parameter(struct gl_program_parameter_list *paramList, const char *name, const GLfloat values[4]) { - return add_parameter(paramList, name, values, 4, PROGRAM_NAMED_PARAM); + return _mesa_add_parameter(paramList, name, values, 4, PROGRAM_NAMED_PARAM); } @@ -460,7 +462,7 @@ _mesa_add_named_constant(struct gl_program_parameter_list *paramList, } #endif size = 4; /** XXX fix */ - return add_parameter(paramList, name, values, size, PROGRAM_CONSTANT); + return _mesa_add_parameter(paramList, name, values, size, PROGRAM_CONSTANT); } @@ -489,7 +491,7 @@ _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, size, &pos, &swizzle)) { return pos; } - return add_parameter(paramList, NULL, values, size, PROGRAM_CONSTANT); + return _mesa_add_parameter(paramList, NULL, values, size, PROGRAM_CONSTANT); } @@ -504,7 +506,7 @@ _mesa_add_uniform(struct gl_program_parameter_list *paramList, } else { assert(size == 4); - i = add_parameter(paramList, name, NULL, size, PROGRAM_UNIFORM); + i = _mesa_add_parameter(paramList, name, NULL, size, PROGRAM_UNIFORM); return i; } } @@ -521,7 +523,7 @@ _mesa_add_varying(struct gl_program_parameter_list *paramList, } else { assert(size == 4); - i = add_parameter(paramList, name, NULL, size, PROGRAM_VARYING); + i = _mesa_add_parameter(paramList, name, NULL, size, PROGRAM_VARYING); return i; } } @@ -587,7 +589,7 @@ _mesa_add_state_reference(struct gl_program_parameter_list *paramList, } name = make_state_string(stateTokens); - index = add_parameter(paramList, name, NULL, size, PROGRAM_STATE_VAR); + index = _mesa_add_parameter(paramList, name, NULL, size, PROGRAM_STATE_VAR); if (index >= 0) { GLuint i; for (i = 0; i < 6; i++) { @@ -716,6 +718,36 @@ _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *paramLis } +struct gl_program_parameter_list * +_mesa_clone_parameter_list(const struct gl_program_parameter_list *list) +{ + struct gl_program_parameter_list *clone; + GLuint i; + + clone = _mesa_new_parameter_list(); + if (!clone) + return NULL; + + /** Not too efficient, but correct */ + for (i = 0; i < list->NumParameters; i++) { + struct gl_program_parameter *p = list->Parameters + i; + GLint j = _mesa_add_parameter(clone, p->Name, list->ParameterValues[i], + p->Size, p->Type); + ASSERT(j >= 0); + /* copy state indexes */ + if (p->Type == PROGRAM_STATE_VAR) { + GLint k; + struct gl_program_parameter *q = clone->Parameters + j; + for (k = 0; k < 6; k++) { + q->StateIndexes[k] = p->StateIndexes[k]; + } + } + } + + return clone; +} + + /** * Use the list of tokens in the state[] array to find global GL state * and return it in . Usually, four values are returned in @@ -1525,6 +1557,82 @@ _mesa_realloc_instructions(struct prog_instruction *oldInst, } +/** + * Return a copy of a program. + * XXX Problem here if the program object is actually OO-derivation + * made by a device driver. + */ +struct gl_program * +_mesa_clone_program(GLcontext *ctx, const struct gl_program *prog) +{ + struct gl_program *clone; + + clone = _mesa_new_program(ctx, prog->Target, prog->Id); + if (!clone) + return NULL; + + assert(clone->Target == prog->Target); + clone->String = (GLubyte *) _mesa_strdup((char *) prog->String); + clone->RefCount = 1; + clone->Format = prog->Format; + clone->Instructions = _mesa_alloc_instructions(prog->NumInstructions); + if (!clone->Instructions) { + _mesa_delete_program(ctx, clone); + return NULL; + } + memcpy(clone->Instructions, prog->Instructions, + prog->NumInstructions * sizeof(struct prog_instruction)); + clone->InputsRead = prog->InputsRead; + clone->OutputsWritten = prog->OutputsWritten; + clone->Parameters = _mesa_clone_parameter_list(prog->Parameters); + memcpy(clone->LocalParams, prog->LocalParams, sizeof(clone->LocalParams)); + clone->Varying = _mesa_clone_parameter_list(prog->Varying); + memcpy(clone->LocalParams, prog->LocalParams, sizeof(clone->LocalParams)); + clone->NumInstructions = prog->NumInstructions; + clone->NumTemporaries = prog->NumTemporaries; + clone->NumParameters = prog->NumParameters; + clone->NumAttributes = prog->NumAttributes; + clone->NumAddressRegs = prog->NumAddressRegs; + clone->NumNativeInstructions = prog->NumNativeInstructions; + clone->NumNativeTemporaries = prog->NumNativeTemporaries; + clone->NumNativeParameters = prog->NumNativeParameters; + clone->NumNativeAttributes = prog->NumNativeAttributes; + clone->NumNativeAddressRegs = prog->NumNativeAddressRegs; + + switch (prog->Target) { + case GL_VERTEX_PROGRAM_ARB: + { + const struct gl_vertex_program *vp + = (const struct gl_vertex_program *) prog; + struct gl_vertex_program *vpc = (struct gl_vertex_program *) clone; + vpc->IsPositionInvariant = vp->IsPositionInvariant; + } + break; + case GL_FRAGMENT_PROGRAM_ARB: + { + const struct gl_fragment_program *fp + = (const struct gl_fragment_program *) prog; + struct gl_fragment_program *fpc = (struct gl_fragment_program *) clone; + memcpy(fpc->TexturesUsed, fp->TexturesUsed, sizeof(fp->TexturesUsed)); + fpc->NumAluInstructions = fp->NumAluInstructions; + fpc->NumTexInstructions = fp->NumTexInstructions; + fpc->NumTexIndirections = fp->NumTexIndirections; + fpc->NumNativeAluInstructions = fp->NumNativeAluInstructions; + fpc->NumNativeTexInstructions = fp->NumNativeTexInstructions; + fpc->NumNativeTexIndirections = fp->NumNativeTexIndirections; + fpc->FogOption = fp->FogOption; + fpc->UsesKill = fp->UsesKill; + } + break; + default: + _mesa_problem(NULL, "Unexpected target in _mesa_clone_program"); + } + + return clone; +} + + + /** * Basic info about each instruction */ diff --git a/src/mesa/shader/program.h b/src/mesa/shader/program.h index a3f50b93107..98e2b536021 100644 --- a/src/mesa/shader/program.h +++ b/src/mesa/shader/program.h @@ -121,6 +121,9 @@ extern struct prog_instruction * _mesa_realloc_instructions(struct prog_instruction *oldInst, GLuint numOldInst, GLuint numNewInst); +extern struct gl_program * +_mesa_clone_program(GLcontext *ctx, const struct gl_program *prog); + /** * Used for describing GL state referenced from inside ARB vertex and @@ -203,8 +206,9 @@ typedef enum gl_state_index_ { */ struct gl_program_parameter { - const char *Name; /**< Null-terminated string */ + const char *Name; /**< Null-terminated string */ enum register_file Type; /**< PROGRAM_NAMED_PARAM, CONSTANT or STATE_VAR */ + GLuint Size; /**< Number of components (1..4) */ /** * A sequence of STATE_* tokens and integers to identify GL state. */ @@ -236,6 +240,14 @@ _mesa_new_parameter_list(void); extern void _mesa_free_parameter_list(struct gl_program_parameter_list *paramList); +extern struct gl_program_parameter_list * +_mesa_clone_parameter_list(const struct gl_program_parameter_list *list); + +extern GLint +_mesa_add_parameter(struct gl_program_parameter_list *paramList, + const char *name, const GLfloat values[4], GLuint size, + enum register_file type); + extern GLint _mesa_add_named_parameter(struct gl_program_parameter_list *paramList, const char *name, const GLfloat values[4]); -- 2.30.2