diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/tnl/t_vp_build.c | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/src/mesa/tnl/t_vp_build.c b/src/mesa/tnl/t_vp_build.c index 04af02e491..c8caecc79b 100644 --- a/src/mesa/tnl/t_vp_build.c +++ b/src/mesa/tnl/t_vp_build.c @@ -1091,25 +1091,41 @@ static void build_passthrough( struct tnl_program *p, GLuint inputs ) } +static GLboolean programs_eq( struct vertex_program *a, + struct vertex_program *b ) +{ + if (!a || !b) + return GL_FALSE; + + if (a->Base.NumInstructions != b->Base.NumInstructions || + a->Parameters->NumParameters != b->Parameters->NumParameters) + return GL_FALSE; + + if (memcmp(a->Instructions, b->Instructions, + a->Base.NumInstructions * sizeof(struct vp_instruction)) != 0) + return GL_FALSE; + + if (memcmp(a->Parameters->Parameters, b->Parameters->Parameters, + a->Parameters->NumParameters * + sizeof(struct program_parameter)) != 0) + return GL_FALSE; + + return GL_TRUE; +} + void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); struct tnl_program p; - GLuint db_NumInstructions; - struct vp_instruction *db_Instructions; if (ctx->VertexProgram._Enabled) return; - if (!ctx->_TnlProgram) - ctx->_TnlProgram = (struct vertex_program *) - ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0); memset(&p, 0, sizeof(p)); p.ctx = ctx; - p.program = ctx->_TnlProgram; - + p.program = (struct vertex_program *)ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0); p.eye_position = undef; p.eye_position_normalized = undef; p.eye_normal = undef; @@ -1117,10 +1133,6 @@ void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx ) p.temp_flag = 0; p.temp_reserved = ~((1<<MAX_NV_VERTEX_PROGRAM_TEMPS)-1); - - db_Instructions = p.program->Instructions; - db_NumInstructions = p.program->Base.NumInstructions; - p.program->Instructions = MALLOC(sizeof(struct vp_instruction) * 100); /* Initialize the arb_program struct */ @@ -1179,14 +1191,14 @@ void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx ) /* Notify driver the fragment program has (actually) changed. */ - if (db_Instructions == NULL || - db_NumInstructions != p.program->Base.NumInstructions || - memcmp(db_Instructions, p.program->Instructions, - db_NumInstructions * sizeof(*db_Instructions)) != 0) { - _mesa_printf("new program string\n"); - ctx->Driver.ProgramStringNotify( ctx, GL_VERTEX_PROGRAM_ARB, - &p.program->Base ); + if (!programs_eq(ctx->_TnlProgram, p.program) != 0) { + if (ctx->_TnlProgram) + ctx->Driver.DeleteProgram( ctx, &ctx->_TnlProgram->Base ); + ctx->_TnlProgram = p.program; + } + else if (p.program) { + /* Nothing changed... + */ + ctx->Driver.DeleteProgram( ctx, &p.program->Base ); } - - FREE(db_Instructions); } |