diff options
author | Marek Olšák <[email protected]> | 2020-01-28 19:48:50 -0500 |
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committer | Marek Olšák <[email protected]> | 2020-02-04 15:12:03 -0500 |
commit | 56de59b931ac162de932d650176fbd981cc68aed (patch) | |
tree | 77a99fb3c04778562a6f59c987246dbad5762fd2 /src/mesa/vbo | |
parent | 052e8f758e68061adaee7f6f95bdbb01ae8f519d (diff) |
vbo: move reusable code from vbo_attrib_tmp.h into vbo_util.h
Reviewed-by: Kristian H. Kristensen <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3611>
Diffstat (limited to 'src/mesa/vbo')
-rw-r--r-- | src/mesa/vbo/vbo_attrib_tmp.h | 98 | ||||
-rw-r--r-- | src/mesa/vbo/vbo_util.h | 131 |
2 files changed, 132 insertions, 97 deletions
diff --git a/src/mesa/vbo/vbo_attrib_tmp.h b/src/mesa/vbo/vbo_attrib_tmp.h index 5c4beb540bf..ff3304b8458 100644 --- a/src/mesa/vbo/vbo_attrib_tmp.h +++ b/src/mesa/vbo/vbo_attrib_tmp.h @@ -27,6 +27,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #include "util/format_r11g11b10f.h" #include "main/varray.h" +#include "vbo_util.h" /* ATTR */ @@ -80,16 +81,6 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #define MAT_ATTR( A, N, V ) ATTRF( A, N, (V)[0], (V)[1], (V)[2], (V)[3] ) -static inline float conv_ui10_to_norm_float(unsigned ui10) -{ - return ui10 / 1023.0f; -} - -static inline float conv_ui2_to_norm_float(unsigned ui2) -{ - return ui2 / 3.0f; -} - #define ATTRUI10_1( A, UI ) ATTRF( A, 1, (UI) & 0x3ff, 0, 0, 1 ) #define ATTRUI10_2( A, UI ) ATTRF( A, 2, (UI) & 0x3ff, ((UI) >> 10) & 0x3ff, 0, 1 ) #define ATTRUI10_3( A, UI ) ATTRF( A, 3, (UI) & 0x3ff, ((UI) >> 10) & 0x3ff, ((UI) >> 20) & 0x3ff, 1 ) @@ -109,73 +100,6 @@ static inline float conv_ui2_to_norm_float(unsigned ui2) conv_ui10_to_norm_float(((UI) >> 20) & 0x3ff), \ conv_ui2_to_norm_float(((UI) >> 30) & 0x3) ) -struct attr_bits_10 {signed int x:10;}; -struct attr_bits_2 {signed int x:2;}; - -static inline float conv_i10_to_i(int i10) -{ - struct attr_bits_10 val; - val.x = i10; - return (float)val.x; -} - -static inline float conv_i2_to_i(int i2) -{ - struct attr_bits_2 val; - val.x = i2; - return (float)val.x; -} - -static inline float conv_i10_to_norm_float(const struct gl_context *ctx, int i10) -{ - struct attr_bits_10 val; - val.x = i10; - - /* Traditionally, OpenGL has had two equations for converting from - * normalized fixed-point data to floating-point data. In the OpenGL 3.2 - * specification, these are equations 2.2 and 2.3, respectively: - * - * f = (2c + 1)/(2^b - 1). (2.2) - * - * Comments below this equation state: "In general, this representation is - * used for signed normalized fixed-point parameters in GL commands, such - * as vertex attribute values." Which is what we're doing here. - * - * f = max{c/(2^(b-1) - 1), -1.0} (2.3) - * - * Comments below this equation state: "In general, this representation is - * used for signed normalized fixed-point texture or floating point values." - * - * OpenGL 4.2+ and ES 3.0 remedy this and state that equation 2.3 (above) - * is used in every case. They remove equation 2.2 completely. - */ - if (_mesa_is_gles3(ctx) || - (_mesa_is_desktop_gl(ctx) && ctx->Version >= 42)) { - /* Equation 2.3 above. */ - float f = ((float) val.x) / 511.0F; - return MAX2(f, -1.0f); - } else { - /* Equation 2.2 above. */ - return (2.0F * (float)val.x + 1.0F) * (1.0F / 1023.0F); - } -} - -static inline float conv_i2_to_norm_float(const struct gl_context *ctx, int i2) -{ - struct attr_bits_2 val; - val.x = i2; - - if (_mesa_is_gles3(ctx) || - (_mesa_is_desktop_gl(ctx) && ctx->Version >= 42)) { - /* Equation 2.3 above. */ - float f = (float) val.x; - return MAX2(f, -1.0f); - } else { - /* Equation 2.2 above. */ - return (2.0F * (float)val.x + 1.0F) * (1.0F / 3.0F); - } -} - #define ATTRI10_1( A, I10 ) ATTRF( A, 1, conv_i10_to_i((I10) & 0x3ff), 0, 0, 1 ) #define ATTRI10_2( A, I10 ) ATTRF( A, 2, \ conv_i10_to_i((I10) & 0x3ff), \ @@ -868,26 +792,6 @@ TAG(VertexAttrib4fvNV)(GLuint index, const GLfloat * v) ATTR4FV(index, v); } - -#define ERROR_IF_NOT_PACKED_TYPE(ctx, type, func) \ - if (type != GL_INT_2_10_10_10_REV && type != GL_UNSIGNED_INT_2_10_10_10_REV) { \ - _mesa_error(ctx, GL_INVALID_ENUM, "%s(type)", func); \ - return; \ - } - -/* Extended version of ERROR_IF_NOT_PACKED_TYPE which also - * accepts GL_UNSIGNED_INT_10F_11F_11F_REV. - * - * Only used for VertexAttribP[123]ui[v]; VertexAttribP4* cannot use this type, - * and neither can legacy vertex attribs. - */ -#define ERROR_IF_NOT_PACKED_TYPE_EXT(ctx, type, func) \ - if (type != GL_INT_2_10_10_10_REV && type != GL_UNSIGNED_INT_2_10_10_10_REV && \ - type != GL_UNSIGNED_INT_10F_11F_11F_REV) { \ - _mesa_error(ctx, GL_INVALID_ENUM, "%s(type)", func); \ - return; \ - } - static void GLAPIENTRY TAG(VertexP2ui)(GLenum type, GLuint value) { diff --git a/src/mesa/vbo/vbo_util.h b/src/mesa/vbo/vbo_util.h new file mode 100644 index 00000000000..2748bff5ecc --- /dev/null +++ b/src/mesa/vbo/vbo_util.h @@ -0,0 +1,131 @@ +/************************************************************************** + * + * Copyright 2002 VMware, Inc. + * Copyright 2011 Dave Airlie (ARB_vertex_type_2_10_10_10_rev support) + * Copyright 2020 Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 VBO_UTIL_H +#define VBO_UTIL_H + +#include "main/mtypes.h" + +static inline float conv_ui10_to_norm_float(unsigned ui10) +{ + return ui10 / 1023.0f; +} + +static inline float conv_ui2_to_norm_float(unsigned ui2) +{ + return ui2 / 3.0f; +} + +struct attr_bits_10 {signed int x:10;}; +struct attr_bits_2 {signed int x:2;}; + +static inline float conv_i10_to_i(int i10) +{ + struct attr_bits_10 val; + val.x = i10; + return (float)val.x; +} + +static inline float conv_i2_to_i(int i2) +{ + struct attr_bits_2 val; + val.x = i2; + return (float)val.x; +} + +static inline float conv_i10_to_norm_float(const struct gl_context *ctx, int i10) +{ + struct attr_bits_10 val; + val.x = i10; + + /* Traditionally, OpenGL has had two equations for converting from + * normalized fixed-point data to floating-point data. In the OpenGL 3.2 + * specification, these are equations 2.2 and 2.3, respectively: + * + * f = (2c + 1)/(2^b - 1). (2.2) + * + * Comments below this equation state: "In general, this representation is + * used for signed normalized fixed-point parameters in GL commands, such + * as vertex attribute values." Which is what we're doing here. + * + * f = max{c/(2^(b-1) - 1), -1.0} (2.3) + * + * Comments below this equation state: "In general, this representation is + * used for signed normalized fixed-point texture or floating point values." + * + * OpenGL 4.2+ and ES 3.0 remedy this and state that equation 2.3 (above) + * is used in every case. They remove equation 2.2 completely. + */ + if (_mesa_is_gles3(ctx) || + (_mesa_is_desktop_gl(ctx) && ctx->Version >= 42)) { + /* Equation 2.3 above. */ + float f = ((float) val.x) / 511.0F; + return MAX2(f, -1.0f); + } else { + /* Equation 2.2 above. */ + return (2.0F * (float)val.x + 1.0F) * (1.0F / 1023.0F); + } +} + +static inline float conv_i2_to_norm_float(const struct gl_context *ctx, int i2) +{ + struct attr_bits_2 val; + val.x = i2; + + if (_mesa_is_gles3(ctx) || + (_mesa_is_desktop_gl(ctx) && ctx->Version >= 42)) { + /* Equation 2.3 above. */ + float f = (float) val.x; + return MAX2(f, -1.0f); + } else { + /* Equation 2.2 above. */ + return (2.0F * (float)val.x + 1.0F) * (1.0F / 3.0F); + } +} + +#define ERROR_IF_NOT_PACKED_TYPE(ctx, type, func) \ + if (type != GL_INT_2_10_10_10_REV && type != GL_UNSIGNED_INT_2_10_10_10_REV) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "%s(type)", func); \ + return; \ + } + +/* Extended version of ERROR_IF_NOT_PACKED_TYPE which also + * accepts GL_UNSIGNED_INT_10F_11F_11F_REV. + * + * Only used for VertexAttribP[123]ui[v]; VertexAttribP4* cannot use this type, + * and neither can legacy vertex attribs. + */ +#define ERROR_IF_NOT_PACKED_TYPE_EXT(ctx, type, func) \ + if (type != GL_INT_2_10_10_10_REV && type != GL_UNSIGNED_INT_2_10_10_10_REV && \ + type != GL_UNSIGNED_INT_10F_11F_11F_REV) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "%s(type)", func); \ + return; \ + } + +#endif |