From 6c8274078d08e5d87c993603b9bfcdf1ffa51278 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 4 Nov 2008 16:52:53 -0700 Subject: [PATCH] mesa: fix float-valued GLSL vertex attribute variables The swizzle mask for such variables wasn't set up properly. --- src/mesa/shader/slang/slang_codegen.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index d8a92e2..e7b2bad 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -3811,6 +3811,8 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var, if (dbg) printf("VARYING "); } else if (var->type.qualifier == SLANG_QUAL_ATTRIBUTE) { + GLuint swizzle; + GLint index; /* attributes must be float, vec or mat */ if (!_slang_type_is_float_vec_mat(var->type.specifier.type)) { slang_info_log_error(A->log, @@ -3822,20 +3824,18 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var, if (prog) { /* user-defined vertex attribute */ const GLint attr = -1; /* unknown */ - GLint index = _mesa_add_attribute(prog->Attributes, varName, - size, datatype, attr); + swizzle = _slang_var_swizzle(size, 0); + index = _mesa_add_attribute(prog->Attributes, varName, + size, datatype, attr); assert(index >= 0); - store = _slang_new_ir_storage(PROGRAM_INPUT, - VERT_ATTRIB_GENERIC0 + index, size); + index = VERT_ATTRIB_GENERIC0 + index; } else { /* pre-defined vertex attrib */ - GLuint swizzle; - GLint index = _slang_input_index(varName, GL_VERTEX_PROGRAM_ARB, - &swizzle); + index = _slang_input_index(varName, GL_VERTEX_PROGRAM_ARB, &swizzle); assert(index >= 0); - store = _slang_new_ir_storage_swz(PROGRAM_INPUT, index, size, swizzle); } + store = _slang_new_ir_storage_swz(PROGRAM_INPUT, index, size, swizzle); if (dbg) printf("ATTRIB "); } else if (var->type.qualifier == SLANG_QUAL_FIXEDINPUT) { -- 2.7.4