[Mesa-dev] [PATCH 14/17] mesa/st: split the type_size calculation into it's own file
Rob Clark
robdclark at gmail.com
Mon May 9 19:34:02 UTC 2016
From: Rob Clark <robclark at freedesktop.org>
We'll want to re-use this for NIR.
Signed-off-by: Rob Clark <robclark at freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
---
src/mesa/Makefile.sources | 2 +
src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 64 +-----------------
src/mesa/state_tracker/st_glsl_types.cpp | 101 +++++++++++++++++++++++++++++
src/mesa/state_tracker/st_glsl_types.h | 44 +++++++++++++
4 files changed, 150 insertions(+), 61 deletions(-)
create mode 100644 src/mesa/state_tracker/st_glsl_types.cpp
create mode 100644 src/mesa/state_tracker/st_glsl_types.h
diff --git a/src/mesa/Makefile.sources b/src/mesa/Makefile.sources
index 2ffbb15..14022ad 100644
--- a/src/mesa/Makefile.sources
+++ b/src/mesa/Makefile.sources
@@ -491,6 +491,8 @@ STATETRACKER_FILES = \
state_tracker/st_gl_api.h \
state_tracker/st_glsl_to_tgsi.cpp \
state_tracker/st_glsl_to_tgsi.h \
+ state_tracker/st_glsl_types.cpp \
+ state_tracker/st_glsl_types.h \
state_tracker/st_manager.c \
state_tracker/st_manager.h \
state_tracker/st_mesa_to_tgsi.c \
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 060e854..f642cb8 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -52,6 +52,7 @@
#include "st_program.h"
#include "st_mesa_to_tgsi.h"
#include "st_format.h"
+#include "st_glsl_types.h"
#define PROGRAM_ANY_CONST ((1 << PROGRAM_STATE_VAR) | \
@@ -1165,72 +1166,13 @@ glsl_to_tgsi_visitor::st_src_reg_for_type(int type, int val)
static int
attrib_type_size(const struct glsl_type *type, bool is_vs_input)
{
- unsigned int i;
- int size;
-
- switch (type->base_type) {
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_INT:
- case GLSL_TYPE_FLOAT:
- case GLSL_TYPE_BOOL:
- if (type->is_matrix()) {
- return type->matrix_columns;
- } else {
- /* Regardless of size of vector, it gets a vec4. This is bad
- * packing for things like floats, but otherwise arrays become a
- * mess. Hopefully a later pass over the code can pack scalars
- * down if appropriate.
- */
- return 1;
- }
- break;
- case GLSL_TYPE_DOUBLE:
- if (type->is_matrix()) {
- if (type->vector_elements <= 2 || is_vs_input)
- return type->matrix_columns;
- else
- return type->matrix_columns * 2;
- } else {
- /* For doubles if we have a double or dvec2 they fit in one
- * vec4, else they need 2 vec4s.
- */
- if (type->vector_elements <= 2 || is_vs_input)
- return 1;
- else
- return 2;
- }
- break;
- case GLSL_TYPE_ARRAY:
- assert(type->length > 0);
- return attrib_type_size(type->fields.array, is_vs_input) * type->length;
- case GLSL_TYPE_STRUCT:
- size = 0;
- for (i = 0; i < type->length; i++) {
- size += attrib_type_size(type->fields.structure[i].type, is_vs_input);
- }
- return size;
- case GLSL_TYPE_SAMPLER:
- case GLSL_TYPE_IMAGE:
- case GLSL_TYPE_SUBROUTINE:
- /* Samplers take up one slot in UNIFORMS[], but they're baked in
- * at link time.
- */
- return 1;
- case GLSL_TYPE_ATOMIC_UINT:
- case GLSL_TYPE_INTERFACE:
- case GLSL_TYPE_VOID:
- case GLSL_TYPE_ERROR:
- case GLSL_TYPE_FUNCTION:
- assert(!"Invalid type in type_size");
- break;
- }
- return 0;
+ return st_glsl_attrib_type_size(type, is_vs_input);
}
static int
type_size(const struct glsl_type *type)
{
- return attrib_type_size(type, false);
+ return st_glsl_type_size(type);
}
/**
diff --git a/src/mesa/state_tracker/st_glsl_types.cpp b/src/mesa/state_tracker/st_glsl_types.cpp
new file mode 100644
index 0000000..857e143
--- /dev/null
+++ b/src/mesa/state_tracker/st_glsl_types.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 VMware, Inc. All Rights Reserved.
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2011 Bryan Cain
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "st_glsl_types.h"
+
+/**
+ * Returns type size in units of vec4 slots.
+ */
+int
+st_glsl_attrib_type_size(const struct glsl_type *type, bool is_vs_input)
+{
+ unsigned int i;
+ int size;
+
+ switch (type->base_type) {
+ case GLSL_TYPE_UINT:
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_FLOAT:
+ case GLSL_TYPE_BOOL:
+ if (type->is_matrix()) {
+ return type->matrix_columns;
+ } else {
+ /* Regardless of size of vector, it gets a vec4. This is bad
+ * packing for things like floats, but otherwise arrays become a
+ * mess. Hopefully a later pass over the code can pack scalars
+ * down if appropriate.
+ */
+ return 1;
+ }
+ break;
+ case GLSL_TYPE_DOUBLE:
+ if (type->is_matrix()) {
+ if (type->vector_elements <= 2 || is_vs_input)
+ return type->matrix_columns;
+ else
+ return type->matrix_columns * 2;
+ } else {
+ /* For doubles if we have a double or dvec2 they fit in one
+ * vec4, else they need 2 vec4s.
+ */
+ if (type->vector_elements <= 2 || is_vs_input)
+ return 1;
+ else
+ return 2;
+ }
+ break;
+ case GLSL_TYPE_ARRAY:
+ assert(type->length > 0);
+ return st_glsl_attrib_type_size(type->fields.array, is_vs_input) * type->length;
+ case GLSL_TYPE_STRUCT:
+ size = 0;
+ for (i = 0; i < type->length; i++) {
+ size += st_glsl_attrib_type_size(type->fields.structure[i].type, is_vs_input);
+ }
+ return size;
+ case GLSL_TYPE_SAMPLER:
+ case GLSL_TYPE_IMAGE:
+ case GLSL_TYPE_SUBROUTINE:
+ /* Samplers take up one slot in UNIFORMS[], but they're baked in
+ * at link time.
+ */
+ return 1;
+ case GLSL_TYPE_ATOMIC_UINT:
+ case GLSL_TYPE_INTERFACE:
+ case GLSL_TYPE_VOID:
+ case GLSL_TYPE_ERROR:
+ case GLSL_TYPE_FUNCTION:
+ assert(!"Invalid type in type_size");
+ break;
+ }
+ return 0;
+}
+
+int
+st_glsl_type_size(const struct glsl_type *type)
+{
+ return st_glsl_attrib_type_size(type, false);
+}
diff --git a/src/mesa/state_tracker/st_glsl_types.h b/src/mesa/state_tracker/st_glsl_types.h
new file mode 100644
index 0000000..3a39cee
--- /dev/null
+++ b/src/mesa/state_tracker/st_glsl_types.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2005-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 VMware, Inc. All Rights Reserved.
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2011 Bryan Cain
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __ST_GLSL_TYPES_H__
+#define __ST_GLSL_TYPES_H__
+
+#include "compiler/glsl_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int st_glsl_attrib_type_size(const struct glsl_type *type, bool is_vs_input);
+int st_glsl_type_size(const struct glsl_type *type);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ST_GLSL_TYPES_H__ */
--
2.5.5
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