diff options
Diffstat (limited to 'src/compiler/glsl/linker.cpp')
| -rw-r--r-- | src/compiler/glsl/linker.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp index 71dbddd8763..736852e7809 100644 --- a/src/compiler/glsl/linker.cpp +++ b/src/compiler/glsl/linker.cpp @@ -3498,7 +3498,8 @@ build_stageref(struct gl_shader_program *shProg, const char *name, */ static gl_shader_variable * create_shader_variable(struct gl_shader_program *shProg, - const ir_variable *in, bool use_implicit_location) + const ir_variable *in, bool use_implicit_location, + int location_bias) { gl_shader_variable *out = ralloc(shProg, struct gl_shader_variable); if (!out) @@ -3536,7 +3537,7 @@ create_shader_variable(struct gl_shader_program *shProg, !(in->data.explicit_location || use_implicit_location)) { out->location = -1; } else { - out->location = in->data.location; + out->location = in->data.location - location_bias; } out->type = in->type; @@ -3559,15 +3560,21 @@ add_interface_variables(struct gl_shader_program *shProg, if (!var || var->data.how_declared == ir_var_hidden) continue; + int loc_bias; + switch (var->data.mode) { case ir_var_system_value: case ir_var_shader_in: if (programInterface != GL_PROGRAM_INPUT) continue; + loc_bias = (stage == MESA_SHADER_VERTEX) ? int(VERT_ATTRIB_GENERIC0) + : int(VARYING_SLOT_VAR0); break; case ir_var_shader_out: if (programInterface != GL_PROGRAM_OUTPUT) continue; + loc_bias = (stage == MESA_SHADER_FRAGMENT) ? int(FRAG_RESULT_DATA0) + : int(VARYING_SLOT_VAR0); break; default: continue; @@ -3590,7 +3597,7 @@ add_interface_variables(struct gl_shader_program *shProg, (stage == MESA_SHADER_FRAGMENT && var->data.mode == ir_var_shader_out); gl_shader_variable *sha_v = - create_shader_variable(shProg, var, vs_input_or_fs_output); + create_shader_variable(shProg, var, vs_input_or_fs_output, loc_bias); if (!sha_v) return false; @@ -3625,7 +3632,7 @@ add_packed_varyings(struct gl_shader_program *shProg, int stage, GLenum type) if (type == iface) { gl_shader_variable *sha_v = - create_shader_variable(shProg, var, false); + create_shader_variable(shProg, var, false, VARYING_SLOT_VAR0); if (!sha_v) return false; if (!add_program_resource(shProg, iface, sha_v, @@ -3650,7 +3657,8 @@ add_fragdata_arrays(struct gl_shader_program *shProg) ir_variable *var = node->as_variable(); if (var) { assert(var->data.mode == ir_var_shader_out); - gl_shader_variable *sha_v = create_shader_variable(shProg, var, true); + gl_shader_variable *sha_v = + create_shader_variable(shProg, var, true, FRAG_RESULT_DATA0); if (!sha_v) return false; if (!add_program_resource(shProg, GL_PROGRAM_OUTPUT, sha_v, |