[Mesa-dev] [PATCH v2 01/12] mesa: add glformats integer type/format detection routines

Brian Paul brian.e.paul at gmail.com
Thu Jul 19 12:54:35 PDT 2012


Hi Jordan,

I'd like to see this patch committed so I can do some follow-on
re-org.  Just minor comments below.


On Wed, Jul 11, 2012 at 3:58 PM, Jordan Justen
<jordan.l.justen at intel.com> wrote:
> _mesa_is_integer_format is moved to formats.c and renamed
> as _mesa_is_enum_format_integer.
>
> _mesa_is_format_unsigned, _mesa_is_type_integer,
> _mesa_is_type_unsigned, and _mesa_is_enum_format_or_type_integer
> are added.
>
> Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
> ---
>  src/mesa/main/drawpix.c                   |    3 +-
>  src/mesa/main/formats.c                   |   13 ++
>  src/mesa/main/formats.h                   |    4 +-
>  src/mesa/main/glformats.c                 |  185 +++++++++++++++++++++++++++++
>  src/mesa/main/glformats.h                 |   63 ++++++++++
>  src/mesa/main/image.c                     |   76 ------------
>  src/mesa/main/image.h                     |    3 -
>  src/mesa/main/pack.c                      |    9 +-
>  src/mesa/main/readpix.c                   |    7 +-
>  src/mesa/main/teximage.c                  |   11 +-
>  src/mesa/sources.mak                      |    1 +

You also need to add the new source glformats.c file src/mesa/SConscript.


>  src/mesa/state_tracker/st_cb_drawpixels.c |    3 +-
>  12 files changed, 284 insertions(+), 94 deletions(-)
>  create mode 100644 src/mesa/main/glformats.c
>  create mode 100644 src/mesa/main/glformats.h
>
> diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c
> index def55dd..7a5597b 100644
> --- a/src/mesa/main/drawpix.c
> +++ b/src/mesa/main/drawpix.c
> @@ -35,6 +35,7 @@
>  #include "pbo.h"
>  #include "state.h"
>  #include "dispatch.h"
> +#include "glformats.h"
>
>
>  #if FEATURE_drawpix
> @@ -89,7 +90,7 @@ _mesa_DrawPixels( GLsizei width, GLsizei height,
>      * input), NVIDIA's implementation also just returns this error despite
>      * exposing GL_EXT_texture_integer, just return an error regardless.
>      */
> -   if (_mesa_is_integer_format(format)) {
> +   if (_mesa_is_enum_format_integer(format)) {
>        _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels(integer format)");
>        goto end;
>     }
> diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
> index ccc0b17..ca739cd 100644
> --- a/src/mesa/main/formats.c
> +++ b/src/mesa/main/formats.c
> @@ -28,6 +28,7 @@
>  #include "formats.h"
>  #include "mfeatures.h"
>  #include "macros.h"
> +#include "glformats.h"
>
>
>  /**
> @@ -1712,6 +1713,17 @@ _mesa_is_format_integer_color(gl_format format)
>
>
>  /**
> + * Is the given format an unsigned integer format?
> + */
> +GLboolean
> +_mesa_is_format_unsigned(gl_format format)
> +{
> +   const struct gl_format_info *info = _mesa_get_format_info(format);
> +   return _mesa_is_type_unsigned(info->DataType);
> +}
> +
> +
> +/**
>   * Return color encoding for given format.
>   * \return GL_LINEAR or GL_SRGB
>   */
> @@ -2935,3 +2947,4 @@ _mesa_format_matches_format_and_type(gl_format gl_format,
>
>     return GL_FALSE;
>  }
> +
> diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
> index 3a694a8..176e0fd 100644
> --- a/src/mesa/main/formats.h
> +++ b/src/mesa/main/formats.h
> @@ -311,6 +311,9 @@ _mesa_is_format_packed_depth_stencil(gl_format format);
>  extern GLboolean
>  _mesa_is_format_integer_color(gl_format format);
>
> +extern GLboolean
> +_mesa_is_format_unsigned(gl_format format);
> +
>  extern GLenum
>  _mesa_get_format_color_encoding(gl_format format);
>
> @@ -346,7 +349,6 @@ _mesa_format_matches_format_and_type(gl_format gl_format,
>                                      GLenum format, GLenum type,
>                                       GLboolean swapBytes);
>
> -
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c
> new file mode 100644
> index 0000000..b2277c3
> --- /dev/null
> +++ b/src/mesa/main/glformats.c
> @@ -0,0 +1,185 @@
> +/*
> + * Mesa 3-D graphics library
> + * Version:  7.7

Remove the version line, we don'd do that anymore.

> + *
> + * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
> + * Copyright (c) 2008-2009  VMware, Inc.

You can add an Intel copyright line if you want.


> + *
> + * 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 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
> + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

s/BRIAN PAUL/THE AUTHORS/


> + * 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 "imports.h"
> +#include "glformats.h"
> +
> +
> +/**
> + * Test if the given format is an integer (non-normalized) format.
> + */
> +GLboolean
> +_mesa_is_enum_format_integer(GLenum format)
> +{
> +   switch (format) {
> +   /* generic integer formats */
> +   case GL_RED_INTEGER_EXT:
> +   case GL_GREEN_INTEGER_EXT:
> +   case GL_BLUE_INTEGER_EXT:
> +   case GL_ALPHA_INTEGER_EXT:
> +   case GL_RGB_INTEGER_EXT:
> +   case GL_RGBA_INTEGER_EXT:
> +   case GL_BGR_INTEGER_EXT:
> +   case GL_BGRA_INTEGER_EXT:
> +   case GL_LUMINANCE_INTEGER_EXT:
> +   case GL_LUMINANCE_ALPHA_INTEGER_EXT:
> +   case GL_RG_INTEGER:
> +   /* specific integer formats */
> +   case GL_RGBA32UI_EXT:
> +   case GL_RGB32UI_EXT:
> +   case GL_RG32UI:
> +   case GL_R32UI:
> +   case GL_ALPHA32UI_EXT:
> +   case GL_INTENSITY32UI_EXT:
> +   case GL_LUMINANCE32UI_EXT:
> +   case GL_LUMINANCE_ALPHA32UI_EXT:
> +   case GL_RGBA16UI_EXT:
> +   case GL_RGB16UI_EXT:
> +   case GL_RG16UI:
> +   case GL_R16UI:
> +   case GL_ALPHA16UI_EXT:
> +   case GL_INTENSITY16UI_EXT:
> +   case GL_LUMINANCE16UI_EXT:
> +   case GL_LUMINANCE_ALPHA16UI_EXT:
> +   case GL_RGBA8UI_EXT:
> +   case GL_RGB8UI_EXT:
> +   case GL_RG8UI:
> +   case GL_R8UI:
> +   case GL_ALPHA8UI_EXT:
> +   case GL_INTENSITY8UI_EXT:
> +   case GL_LUMINANCE8UI_EXT:
> +   case GL_LUMINANCE_ALPHA8UI_EXT:
> +   case GL_RGBA32I_EXT:
> +   case GL_RGB32I_EXT:
> +   case GL_RG32I:
> +   case GL_R32I:
> +   case GL_ALPHA32I_EXT:
> +   case GL_INTENSITY32I_EXT:
> +   case GL_LUMINANCE32I_EXT:
> +   case GL_LUMINANCE_ALPHA32I_EXT:
> +   case GL_RGBA16I_EXT:
> +   case GL_RGB16I_EXT:
> +   case GL_RG16I:
> +   case GL_R16I:
> +   case GL_ALPHA16I_EXT:
> +   case GL_INTENSITY16I_EXT:
> +   case GL_LUMINANCE16I_EXT:
> +   case GL_LUMINANCE_ALPHA16I_EXT:
> +   case GL_RGBA8I_EXT:
> +   case GL_RGB8I_EXT:
> +   case GL_RG8I:
> +   case GL_R8I:
> +   case GL_ALPHA8I_EXT:
> +   case GL_INTENSITY8I_EXT:
> +   case GL_LUMINANCE8I_EXT:
> +   case GL_LUMINANCE_ALPHA8I_EXT:
> +   case GL_RGB10_A2UI:
> +      return GL_TRUE;
> +   default:
> +      return GL_FALSE;
> +   }
> +}
> +
> +
> +/**
> + * Test if the given type is an integer (non-normalized) format.
> + */
> +GLboolean
> +_mesa_is_type_integer(GLenum type)
> +{
> +   switch (type) {
> +   case GL_INT:
> +   case GL_UNSIGNED_INT:
> +   case GL_SHORT:
> +   case GL_UNSIGNED_SHORT:
> +   case GL_BYTE:
> +   case GL_UNSIGNED_BYTE:
> +      return GL_TRUE;
> +   default:
> +      return GL_FALSE;
> +   }
> +}
> +
> +
> +/**
> + * Test if the given format or type is an integer (non-normalized) format.
> + */
> +extern GLboolean
> +_mesa_is_enum_format_or_type_integer(GLenum format, GLenum type)
> +{
> +   return _mesa_is_enum_format_integer(format) || _mesa_is_type_integer(type);
> +}
> +
> +
> +GLboolean
> +_mesa_is_type_unsigned(GLenum type)
> +{
> +   switch (type) {
> +   case GL_UNSIGNED_INT:
> +   case GL_UNSIGNED_INT_8_8_8_8:
> +   case GL_UNSIGNED_INT_8_8_8_8_REV:
> +   case GL_UNSIGNED_INT_10_10_10_2:
> +   case GL_UNSIGNED_INT_2_10_10_10_REV:
> +
> +   case GL_UNSIGNED_SHORT:
> +   case GL_UNSIGNED_SHORT_4_4_4_4:
> +   case GL_UNSIGNED_SHORT_5_5_5_1:
> +   case GL_UNSIGNED_SHORT_5_6_5:
> +   case GL_UNSIGNED_SHORT_5_6_5_REV:
> +   case GL_UNSIGNED_SHORT_4_4_4_4_REV:
> +   case GL_UNSIGNED_SHORT_1_5_5_5_REV:
> +   case GL_UNSIGNED_SHORT_8_8_MESA:
> +   case GL_UNSIGNED_SHORT_8_8_REV_MESA:
> +
> +   case GL_UNSIGNED_BYTE:
> +   case GL_UNSIGNED_BYTE_3_3_2:
> +   case GL_UNSIGNED_BYTE_2_3_3_REV:
> +      return GL_TRUE;
> +
> +   default:
> +      return GL_FALSE;
> +   }
> +}
> +
> +
> +/**
> + * Convert various base formats to the cooresponding integer format.
> + */
> +GLenum
> +_mesa_base_format_to_integer_format(GLenum format)
> +{
> +   switch(format) {
> +   case GL_RED:
> +      return GL_RED_INTEGER;
> +   case GL_RG:
> +      return GL_RG_INTEGER;
> +   case GL_RGBA:
> +      return GL_RGBA_INTEGER;

what about GL_RGB_INTEGER, GL_LUMINANCE_INTEGER_EXT, etc?


> +   }
> +
> +   return format;
> +}
> +
> diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h
> new file mode 100644
> index 0000000..f19aa38
> --- /dev/null
> +++ b/src/mesa/main/glformats.h
> @@ -0,0 +1,63 @@
> +/*
> + * Mesa 3-D graphics library
> + * Version:  7.7

Same comments here as for glformats.c file.

With those changes,  Reviewed-by: Brian Paul <brianp at vmware.com>

-Brian


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