diff options
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 9e61c656de3..1b956a77f53 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -4894,6 +4894,13 @@ get_mesa_program(struct gl_context *ctx, _mesa_generate_parameters_list_for_uniforms(shader_program, shader, prog->Parameters); + if (!screen->get_shader_param(screen, pipe_shader_type, + PIPE_SHADER_CAP_OUTPUT_READ)) { + /* Remove reads to output registers, and to varyings in vertex shaders. */ + lower_output_reads(shader->ir); + } + + /* Emit intermediate IR for main(). */ visit_exec_list(shader->ir, v); @@ -4940,14 +4947,6 @@ get_mesa_program(struct gl_context *ctx, } #endif - if (!screen->get_shader_param(screen, pipe_shader_type, - PIPE_SHADER_CAP_OUTPUT_READ)) { - /* Remove reads to output registers, and to varyings in vertex shaders. */ - v->remove_output_reads(PROGRAM_OUTPUT); - if (target == GL_VERTEX_PROGRAM_ARB) - v->remove_output_reads(PROGRAM_VARYING); - } - /* Perform optimizations on the instructions in the glsl_to_tgsi_visitor. */ v->simplify_cmp(); v->copy_propagate(); |