diff options
| -rw-r--r-- | src/mesa/shader/arbprogparse.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/src/mesa/shader/arbprogparse.c b/src/mesa/shader/arbprogparse.c index 39988b5fca6..a3a75c3b0a6 100644 --- a/src/mesa/shader/arbprogparse.c +++ b/src/mesa/shader/arbprogparse.c @@ -963,6 +963,8 @@ parse_output_color_num (GLcontext * ctx, const GLubyte ** inst, /** + * Validate the index of a texture coordinate + * * \param coord The texture unit index * \return 0 on sucess, 1 on error */ @@ -972,8 +974,30 @@ parse_texcoord_num (GLcontext * ctx, const GLubyte ** inst, { GLint i = parse_integer (inst, Program); - if ((i < 0) || (i >= (int)ctx->Const.MaxTextureUnits)) { - program_error(ctx, Program->Position, "Invalid texture unit index"); + if ((i < 0) || (i >= (int)ctx->Const.MaxTextureCoordUnits)) { + program_error(ctx, Program->Position, "Invalid texture coordinate index"); + return 1; + } + + *coord = (GLuint) i; + return 0; +} + + +/** + * Validate the index of a texture image unit + * + * \param coord The texture unit index + * \return 0 on sucess, 1 on error + */ +static GLuint +parse_teximage_num (GLcontext * ctx, const GLubyte ** inst, + struct arb_program *Program, GLuint * coord) +{ + GLint i = parse_integer (inst, Program); + + if ((i < 0) || (i >= (int)ctx->Const.MaxTextureImageUnits)) { + program_error(ctx, Program->Position, "Invalid texture image index"); return 1; } @@ -981,6 +1005,7 @@ parse_texcoord_num (GLcontext * ctx, const GLubyte ** inst, return 0; } + /** * \param coord The weight index * \return 0 on sucess, 1 on error @@ -3003,7 +3028,7 @@ parse_fp_instruction (GLcontext * ctx, const GLubyte ** inst, return 1; /* texImageUnit */ - if (parse_texcoord_num (ctx, inst, Program, &texcoord)) + if (parse_teximage_num (ctx, inst, Program, &texcoord)) return 1; fp->TexSrcUnit = texcoord; |