From 813f0eda8e53f7d15fecd5f59c74124d19146372 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Mon, 7 Dec 2015 16:16:31 -0800 Subject: [PATCH] i965/nir_uniforms: Replace comps_per_unit with an is_scalar boolean Reviewed-by: Kenneth Graunke --- .../drivers/dri/i965/brw_nir_uniforms.cpp | 28 ++++++++++--------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_nir_uniforms.cpp b/src/mesa/drivers/dri/i965/brw_nir_uniforms.cpp index 21caca5b6e8..155a9c67073 100644 --- a/src/mesa/drivers/dri/i965/brw_nir_uniforms.cpp +++ b/src/mesa/drivers/dri/i965/brw_nir_uniforms.cpp @@ -29,12 +29,13 @@ static void brw_nir_setup_glsl_builtin_uniform(nir_variable *var, const struct gl_program *prog, struct brw_stage_prog_data *stage_prog_data, - unsigned comps_per_unit) + bool is_scalar) { const nir_state_slot *const slots = var->state_slots; assert(var->state_slots != NULL); - unsigned uniform_index = var->data.driver_location * comps_per_unit; + unsigned uniform_index = is_scalar ? var->data.driver_location : + var->data.driver_location * 4; for (unsigned int i = 0; i < var->num_state_slots; i++) { /* This state reference has already been setup by ir_to_mesa, but we'll * get the same index back here. @@ -55,7 +56,7 @@ brw_nir_setup_glsl_builtin_uniform(nir_variable *var, * and move on to the next one. In vec4, we need to continue and pad * it out to 4 components. */ - if (swiz == last_swiz && comps_per_unit == 1) + if (swiz == last_swiz && is_scalar) break; last_swiz = swiz; @@ -70,7 +71,7 @@ static void brw_nir_setup_glsl_uniform(gl_shader_stage stage, nir_variable *var, struct gl_shader_program *shader_prog, struct brw_stage_prog_data *stage_prog_data, - unsigned comps_per_unit) + bool is_scalar) { int namelen = strlen(var->name); @@ -80,7 +81,8 @@ brw_nir_setup_glsl_uniform(gl_shader_stage stage, nir_variable *var, * order we'd walk the type, so walk the list of storage and find anything * with our name, or the prefix of a component that starts with our name. */ - unsigned uniform_index = var->data.driver_location * comps_per_unit; + unsigned uniform_index = is_scalar ? var->data.driver_location : + var->data.driver_location * 4; for (unsigned u = 0; u < shader_prog->NumUniformStorage; u++) { struct gl_uniform_storage *storage = &shader_prog->UniformStorage[u]; @@ -111,10 +113,12 @@ brw_nir_setup_glsl_uniform(gl_shader_stage stage, nir_variable *var, stage_prog_data->param[uniform_index++] = components++; } - /* Pad out with zeros if needed (only needed for vec4) */ - for (; i < comps_per_unit; i++) { - static const gl_constant_value zero = { 0.0 }; - stage_prog_data->param[uniform_index++] = &zero; + if (!is_scalar) { + /* Pad out with zeros if needed (only needed for vec4) */ + for (; i < 4; i++) { + static const gl_constant_value zero = { 0.0 }; + stage_prog_data->param[uniform_index++] = &zero; + } } } } @@ -128,8 +132,6 @@ brw_nir_setup_glsl_uniforms(nir_shader *shader, struct brw_stage_prog_data *stage_prog_data, bool is_scalar) { - unsigned comps_per_unit = is_scalar ? 1 : 4; - nir_foreach_variable(var, &shader->uniforms) { /* UBO's, atomics and samplers don't take up space in the uniform file */ @@ -138,10 +140,10 @@ brw_nir_setup_glsl_uniforms(nir_shader *shader, if (strncmp(var->name, "gl_", 3) == 0) { brw_nir_setup_glsl_builtin_uniform(var, prog, stage_prog_data, - comps_per_unit); + is_scalar); } else { brw_nir_setup_glsl_uniform(shader->stage, var, shader_prog, - stage_prog_data, comps_per_unit); + stage_prog_data, is_scalar); } } } -- 2.30.2