mesa/st: split the type_size calculation into it's own file
We'll want to re-use this for NIR. Signed-off-by: Rob Clark <robclark@freedesktop.org> Reviewed-by: Marek Olšák <marek.olsak@amd.com>
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@ -491,6 +491,8 @@ STATETRACKER_FILES = \
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state_tracker/st_gl_api.h \
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state_tracker/st_glsl_to_tgsi.cpp \
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state_tracker/st_glsl_to_tgsi.h \
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state_tracker/st_glsl_types.cpp \
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state_tracker/st_glsl_types.h \
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state_tracker/st_manager.c \
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state_tracker/st_manager.h \
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state_tracker/st_mesa_to_tgsi.c \
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@ -52,6 +52,7 @@
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#include "st_program.h"
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#include "st_mesa_to_tgsi.h"
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#include "st_format.h"
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#include "st_glsl_types.h"
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#define PROGRAM_ANY_CONST ((1 << PROGRAM_STATE_VAR) | \
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@ -1165,72 +1166,13 @@ glsl_to_tgsi_visitor::st_src_reg_for_type(int type, int val)
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static int
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attrib_type_size(const struct glsl_type *type, bool is_vs_input)
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{
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unsigned int i;
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int size;
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switch (type->base_type) {
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case GLSL_TYPE_UINT:
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case GLSL_TYPE_INT:
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case GLSL_TYPE_FLOAT:
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case GLSL_TYPE_BOOL:
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if (type->is_matrix()) {
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return type->matrix_columns;
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} else {
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/* Regardless of size of vector, it gets a vec4. This is bad
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* packing for things like floats, but otherwise arrays become a
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* mess. Hopefully a later pass over the code can pack scalars
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* down if appropriate.
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*/
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return 1;
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}
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break;
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case GLSL_TYPE_DOUBLE:
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if (type->is_matrix()) {
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if (type->vector_elements <= 2 || is_vs_input)
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return type->matrix_columns;
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else
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return type->matrix_columns * 2;
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} else {
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/* For doubles if we have a double or dvec2 they fit in one
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* vec4, else they need 2 vec4s.
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*/
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if (type->vector_elements <= 2 || is_vs_input)
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return 1;
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else
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return 2;
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}
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break;
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case GLSL_TYPE_ARRAY:
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assert(type->length > 0);
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return attrib_type_size(type->fields.array, is_vs_input) * type->length;
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case GLSL_TYPE_STRUCT:
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size = 0;
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for (i = 0; i < type->length; i++) {
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size += attrib_type_size(type->fields.structure[i].type, is_vs_input);
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}
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return size;
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case GLSL_TYPE_SAMPLER:
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case GLSL_TYPE_IMAGE:
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case GLSL_TYPE_SUBROUTINE:
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/* Samplers take up one slot in UNIFORMS[], but they're baked in
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* at link time.
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*/
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return 1;
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case GLSL_TYPE_ATOMIC_UINT:
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case GLSL_TYPE_INTERFACE:
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case GLSL_TYPE_VOID:
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case GLSL_TYPE_ERROR:
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case GLSL_TYPE_FUNCTION:
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assert(!"Invalid type in type_size");
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break;
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}
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return 0;
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return st_glsl_attrib_type_size(type, is_vs_input);
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}
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static int
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type_size(const struct glsl_type *type)
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{
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return attrib_type_size(type, false);
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return st_glsl_type_size(type);
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}
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/**
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@ -0,0 +1,101 @@
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/*
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* Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
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* Copyright (C) 2008 VMware, Inc. All Rights Reserved.
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* Copyright © 2010 Intel Corporation
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* Copyright © 2011 Bryan Cain
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "st_glsl_types.h"
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/**
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* Returns type size in units of vec4 slots.
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*/
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int
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st_glsl_attrib_type_size(const struct glsl_type *type, bool is_vs_input)
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{
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unsigned int i;
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int size;
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switch (type->base_type) {
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case GLSL_TYPE_UINT:
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case GLSL_TYPE_INT:
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case GLSL_TYPE_FLOAT:
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case GLSL_TYPE_BOOL:
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if (type->is_matrix()) {
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return type->matrix_columns;
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} else {
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/* Regardless of size of vector, it gets a vec4. This is bad
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* packing for things like floats, but otherwise arrays become a
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* mess. Hopefully a later pass over the code can pack scalars
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* down if appropriate.
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*/
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return 1;
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}
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break;
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case GLSL_TYPE_DOUBLE:
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if (type->is_matrix()) {
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if (type->vector_elements <= 2 || is_vs_input)
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return type->matrix_columns;
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else
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return type->matrix_columns * 2;
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} else {
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/* For doubles if we have a double or dvec2 they fit in one
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* vec4, else they need 2 vec4s.
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*/
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if (type->vector_elements <= 2 || is_vs_input)
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return 1;
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else
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return 2;
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}
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break;
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case GLSL_TYPE_ARRAY:
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assert(type->length > 0);
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return st_glsl_attrib_type_size(type->fields.array, is_vs_input) * type->length;
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case GLSL_TYPE_STRUCT:
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size = 0;
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for (i = 0; i < type->length; i++) {
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size += st_glsl_attrib_type_size(type->fields.structure[i].type, is_vs_input);
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}
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return size;
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case GLSL_TYPE_SAMPLER:
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case GLSL_TYPE_IMAGE:
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case GLSL_TYPE_SUBROUTINE:
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/* Samplers take up one slot in UNIFORMS[], but they're baked in
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* at link time.
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*/
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return 1;
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case GLSL_TYPE_ATOMIC_UINT:
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case GLSL_TYPE_INTERFACE:
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case GLSL_TYPE_VOID:
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case GLSL_TYPE_ERROR:
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case GLSL_TYPE_FUNCTION:
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assert(!"Invalid type in type_size");
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break;
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}
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return 0;
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}
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int
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st_glsl_type_size(const struct glsl_type *type)
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{
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return st_glsl_attrib_type_size(type, false);
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}
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@ -0,0 +1,44 @@
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/*
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* Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
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* Copyright (C) 2008 VMware, Inc. All Rights Reserved.
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* Copyright © 2010 Intel Corporation
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* Copyright © 2011 Bryan Cain
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __ST_GLSL_TYPES_H__
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#define __ST_GLSL_TYPES_H__
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#include "compiler/glsl_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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int st_glsl_attrib_type_size(const struct glsl_type *type, bool is_vs_input);
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int st_glsl_type_size(const struct glsl_type *type);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ST_GLSL_TYPES_H__ */
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