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- Port 3.4 texture utils, texture format work to 3.5 (including new

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FetchTexel routines).
- Initial hooks for GL_EXT_texture_filter_anisotropic.
This commit is contained in:
Gareth Hughes
2001-03-18 08:53:49 +00:00
parent 6e550baa0a
commit 2c3d34c905
19 changed files with 2364 additions and 1824 deletions
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3
src/mesa/Makefile.X11
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@@ -1,4 +1,4 @@
# $Id: Makefile.X11,v 1.45 2001/02/16 18:14:41 keithw Exp $
# $Id: Makefile.X11,v 1.46 2001/03/18 08:53:49 gareth Exp $
# Mesa 3-D graphics library
# Version: 3.5
@@ -99,6 +99,7 @@ CORE_SOURCES = \
scissor.c \
state.c \
stencil.c \
texformat.c \
teximage.c \
texobj.c \
texstate.c \

3
src/mesa/main/Makefile.X11
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@@ -1,4 +1,4 @@
# $Id: Makefile.X11,v 1.45 2001/02/16 18:14:41 keithw Exp $
# $Id: Makefile.X11,v 1.46 2001/03/18 08:53:49 gareth Exp $
# Mesa 3-D graphics library
# Version: 3.5
@@ -99,6 +99,7 @@ CORE_SOURCES = \
scissor.c \
state.c \
stencil.c \
texformat.c \
teximage.c \
texobj.c \
texstate.c \

3
src/mesa/main/attrib.c
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@@ -1,4 +1,4 @@
/* $Id: attrib.c,v 1.46 2001/03/12 00:48:37 gareth Exp $ */
/* $Id: attrib.c,v 1.47 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -101,6 +101,7 @@ copy_texobj_state( struct gl_texture_object *dest,
dest->MaxLod = src->MaxLod;
dest->BaseLevel = src->BaseLevel;
dest->MaxLevel = src->MaxLevel;
dest->MaxAnisotropy = src->MaxAnisotropy;
dest->CompareFlag = src->CompareFlag;
dest->CompareOperator = src->CompareOperator;
dest->ShadowAmbient = src->ShadowAmbient;

5
src/mesa/main/config.h
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@@ -1,4 +1,4 @@
/* $Id: config.h,v 1.27 2001/03/12 00:48:37 gareth Exp $ */
/* $Id: config.h,v 1.28 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -125,6 +125,9 @@
/* GL_ARB_texture_compression */
#define MAX_COMPRESSED_TEXTURE_FORMATS 25
/* GL_EXT_texture_filter_anisotropic */
#define MAX_TEXTURE_MAX_ANISOTROPY 16.0
/*

3
src/mesa/main/context.c
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@@ -1,4 +1,4 @@
/* $Id: context.c,v 1.128 2001/03/12 01:32:20 gareth Exp $ */
/* $Id: context.c,v 1.129 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -721,6 +721,7 @@ init_attrib_groups( GLcontext *ctx )
ctx->Const.MaxTextureSize = 1 << (MAX_TEXTURE_LEVELS - 1);
ctx->Const.MaxCubeTextureSize = ctx->Const.MaxTextureSize;
ctx->Const.MaxTextureUnits = MAX_TEXTURE_UNITS;
ctx->Const.MaxTextureMaxAnisotropy = MAX_TEXTURE_MAX_ANISOTROPY;
ctx->Const.MaxArrayLockSize = MAX_ARRAY_LOCK_SIZE;
ctx->Const.SubPixelBits = SUB_PIXEL_BITS;
ctx->Const.MinPointSize = MIN_POINT_SIZE;

109
src/mesa/main/extensions.c
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@@ -1,4 +1,4 @@
/* $Id: extensions.c,v 1.52 2001/03/15 18:21:01 brianp Exp $ */
/* $Id: extensions.c,v 1.53 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -56,59 +56,60 @@ static struct {
const char *name;
int flag_offset;
} default_extensions[] = {
{ OFF, "GL_ARB_imaging", F(ARB_imaging) },
{ OFF, "GL_ARB_multitexture", F(ARB_multitexture) },
{ OFF, "GL_ARB_texture_compression", F(ARB_texture_compression) },
{ OFF, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map) },
{ OFF, "GL_ARB_texture_env_add", F(EXT_texture_env_add) },
{ ON, "GL_ARB_tranpose_matrix", 0 },
{ ON, "GL_EXT_abgr", 0 },
{ ON, "GL_EXT_bgra", 0 },
{ OFF, "GL_EXT_blend_color", F(EXT_blend_color) },
{ OFF, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate) },
{ OFF, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) },
{ OFF, "GL_EXT_blend_minmax", F(EXT_blend_minmax) },
{ OFF, "GL_EXT_blend_subtract", F(EXT_blend_subtract) },
{ ON, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) },
{ OFF, "GL_EXT_cull_vertex", 0 },
{ OFF, "GL_EXT_convolution", F(EXT_convolution) },
{ ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) },
{ OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) },
{ OFF, "GL_EXT_histogram", F(EXT_histogram) },
{ ON, "GL_EXT_packed_pixels", F(EXT_packed_pixels) },
{ OFF, "GL_EXT_paletted_texture", F(EXT_paletted_texture) },
{ OFF, "GL_EXT_point_parameters", F(EXT_point_parameters) },
{ ON, "GL_EXT_polygon_offset", F(EXT_polygon_offset) },
{ ON, "GL_EXT_rescale_normal", F(EXT_rescale_normal) },
{ OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) },
{ OFF, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette) },
{ OFF, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap) },
{ ON, "GL_EXT_texture3D", F(EXT_texture3D) },
{ OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc)},
{ OFF, "GL_EXT_texture_env_add", F(EXT_texture_env_add) },
{ OFF, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine) },
{ OFF, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3) },
{ ON, "GL_EXT_texture_object", F(EXT_texture_object) },
{ OFF, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) },
{ ON, "GL_EXT_vertex_array", 0 },
{ OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) },
{ OFF, "GL_HP_occlusion_test", F(HP_occlusion_test) },
{ OFF, "GL_INGR_blend_func_separate", F(INGR_blend_func_separate) },
{ OFF, "GL_MESA_packed_depth_stencil", 0 },
{ OFF, "GL_MESA_resize_buffers", F(MESA_resize_buffers) },
{ OFF, "GL_MESA_sprite_point", F(MESA_sprite_point) },
{ ON, "GL_MESA_window_pos", F(MESA_window_pos) },
{ OFF, "GL_NV_blend_square", F(NV_blend_square) },
{ ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) },
{ OFF, "GL_SGI_color_matrix", F(SGI_color_matrix) },
{ OFF, "GL_SGI_color_table", F(SGI_color_table) },
{ OFF, "GL_SGIS_pixel_texture", F(SGIS_pixel_texture) },
{ OFF, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) },
{ OFF, "GL_SGIX_depth_texture", F(SGIX_depth_texture) },
{ OFF, "GL_SGIX_pixel_texture", F(SGIX_pixel_texture) },
{ OFF, "GL_SGIX_shadow", F(SGIX_shadow) },
{ OFF, "GL_SGIX_shadow_ambient", F(SGIX_shadow_ambient) },
{ OFF, "GL_3DFX_texture_compression_FXT1", F(_3DFX_texture_compression_FXT1) }
{ OFF, "GL_ARB_imaging", F(ARB_imaging) },
{ OFF, "GL_ARB_multitexture", F(ARB_multitexture) },
{ OFF, "GL_ARB_texture_compression", F(ARB_texture_compression) },
{ OFF, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map) },
{ OFF, "GL_ARB_texture_env_add", F(EXT_texture_env_add) },
{ ON, "GL_ARB_tranpose_matrix", 0 },
{ ON, "GL_EXT_abgr", 0 },
{ ON, "GL_EXT_bgra", 0 },
{ OFF, "GL_EXT_blend_color", F(EXT_blend_color) },
{ OFF, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate) },
{ OFF, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) },
{ OFF, "GL_EXT_blend_minmax", F(EXT_blend_minmax) },
{ OFF, "GL_EXT_blend_subtract", F(EXT_blend_subtract) },
{ ON, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) },
{ OFF, "GL_EXT_cull_vertex", 0 },
{ OFF, "GL_EXT_convolution", F(EXT_convolution) },
{ ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) },
{ OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) },
{ OFF, "GL_EXT_histogram", F(EXT_histogram) },
{ ON, "GL_EXT_packed_pixels", F(EXT_packed_pixels) },
{ OFF, "GL_EXT_paletted_texture", F(EXT_paletted_texture) },
{ OFF, "GL_EXT_point_parameters", F(EXT_point_parameters) },
{ ON, "GL_EXT_polygon_offset", F(EXT_polygon_offset) },
{ ON, "GL_EXT_rescale_normal", F(EXT_rescale_normal) },
{ OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) },
{ OFF, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette) },
{ OFF, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap) },
{ ON, "GL_EXT_texture3D", F(EXT_texture3D) },
{ OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) },
{ OFF, "GL_EXT_texture_env_add", F(EXT_texture_env_add) },
{ OFF, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine) },
{ OFF, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3) },
{ OFF, "GL_EXT_texture_filter_anisotropic", F(EXT_texture_filter_anisotropic) },
{ ON, "GL_EXT_texture_object", F(EXT_texture_object) },
{ OFF, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) },
{ ON, "GL_EXT_vertex_array", 0 },
{ OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) },
{ OFF, "GL_HP_occlusion_test", F(HP_occlusion_test) },
{ OFF, "GL_INGR_blend_func_separate", F(INGR_blend_func_separate) },
{ OFF, "GL_MESA_packed_depth_stencil", 0 },
{ OFF, "GL_MESA_resize_buffers", F(MESA_resize_buffers) },
{ OFF, "GL_MESA_sprite_point", F(MESA_sprite_point) },
{ ON, "GL_MESA_window_pos", F(MESA_window_pos) },
{ OFF, "GL_NV_blend_square", F(NV_blend_square) },
{ ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) },
{ OFF, "GL_SGI_color_matrix", F(SGI_color_matrix) },
{ OFF, "GL_SGI_color_table", F(SGI_color_table) },
{ OFF, "GL_SGIS_pixel_texture", F(SGIS_pixel_texture) },
{ OFF, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) },
{ OFF, "GL_SGIX_depth_texture", F(SGIX_depth_texture) },
{ OFF, "GL_SGIX_pixel_texture", F(SGIX_pixel_texture) },
{ OFF, "GL_SGIX_shadow", F(SGIX_shadow) },
{ OFF, "GL_SGIX_shadow_ambient", F(SGIX_shadow_ambient) },
{ OFF, "GL_3DFX_texture_compression_FXT1", F(_3DFX_texture_compression_FXT1) }
};

46
src/mesa/main/get.c
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@@ -1,4 +1,4 @@
/* $Id: get.c,v 1.56 2001/03/12 00:48:37 gareth Exp $ */
/* $Id: get.c,v 1.57 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -1253,6 +1253,17 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
*params = INT_TO_BOOL(ctx->Array.FogCoord.Stride);
break;
/* GL_EXT_texture_filter_anisotropic */
case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
*params = FLOAT_TO_BOOL(ctx->Const.MaxTextureMaxAnisotropy);
}
else {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetBooleanv" );
return;
}
break;
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {
@@ -2441,6 +2452,17 @@ _mesa_GetDoublev( GLenum pname, GLdouble *params )
*params = (GLdouble) ctx->Array.FogCoord.Stride;
break;
/* GL_EXT_texture_filter_anisotropic */
case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
*params = (GLdouble) ctx->Const.MaxTextureMaxAnisotropy;
}
else {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetDoublev" );
return;
}
break;
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {
@@ -3603,6 +3625,17 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
*params = (GLfloat) ctx->Array.FogCoord.Stride;
break;
/* GL_EXT_texture_filter_anisotropic */
case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
*params = ctx->Const.MaxTextureMaxAnisotropy;
}
else {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetFloatv" );
return;
}
break;
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {
@@ -4814,6 +4847,17 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
}
break;
/* GL_EXT_texture_filter_anisotropic */
case GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
*params = (GLint) ctx->Const.MaxTextureMaxAnisotropy;
}
else {
_mesa_error( ctx, GL_INVALID_ENUM, "glGetIntegerv" );
return;
}
break;
/* GL_MESA_sprite_point */
case GL_SPRITE_POINT_MESA:
if (ctx->Extensions.MESA_sprite_point) {

29
src/mesa/main/macros.h
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@@ -1,4 +1,4 @@
/* $Id: macros.h,v 1.19 2001/03/12 00:48:38 gareth Exp $ */
/* $Id: macros.h,v 1.20 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -443,4 +443,31 @@ do { \
} while (0)
/* Generic color packing macros
*/
#define PACK_COLOR_8888( a, b, c, d ) \
(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
#define PACK_COLOR_888( a, b, c ) \
(((a) << 16) | ((b) << 8) | (c))
#define PACK_COLOR_565( a, b, c ) \
((((a) & 0xf8) << 8) | (((b) & 0xfc) << 3) | (((c) & 0xf8) >> 3))
#define PACK_COLOR_1555( a, b, c, d ) \
((((b) & 0xf8) << 7) | (((c) & 0xf8) << 2) | (((d) & 0xf8) >> 3) | \
((a) ? 0x8000 : 0))
#define PACK_COLOR_4444( a, b, c, d ) \
((((a) & 0xf0) << 8) | (((b) & 0xf0) << 4) | ((c) & 0xf0) | ((d) >> 4))
#define PACK_COLOR_88( a, b ) \
(((a) << 8) | (b))
#define PACK_COLOR_332( a, b, c ) \
(((a) & 0xe0) | (((b) & 0xe0) >> 3) | (((c) & 0xc0) >> 6))
#endif

36
src/mesa/main/mtypes.h
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@@ -1,4 +1,4 @@
/* $Id: mtypes.h,v 1.26 2001/03/17 17:43:04 keithw Exp $ */
/* $Id: mtypes.h,v 1.27 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -775,6 +775,25 @@ typedef void (*FetchTexelFunc)( const struct gl_texture_image *texImage,
GLint col, GLint row, GLint img,
GLvoid *texelOut );
/* Texture format record */
struct gl_texture_format {
GLint IntFormat; /* One of the MESA_FORMAT_* values */
GLubyte RedBits; /* Bits per texel component */
GLubyte GreenBits;
GLubyte BlueBits;
GLubyte AlphaBits;
GLubyte LuminanceBits;
GLubyte IntensityBits;
GLubyte IndexBits;
GLubyte DepthBits;
GLint TexelBytes;
FetchTexelFunc FetchTexel1D; /* Texel fetch function pointers */
FetchTexelFunc FetchTexel2D;
FetchTexelFunc FetchTexel3D;
};
/* Texture image record */
struct gl_texture_image {
@@ -784,14 +803,6 @@ struct gl_texture_image {
*/
GLenum Type; /* Texel type: GL_UNSIGNED_BYTE, etc. */
GLenum IntFormat; /* Internal format as given by the user */
GLubyte RedBits; /* Bits per texel component */
GLubyte GreenBits; /* These are initialized by Mesa but */
GLubyte BlueBits; /* may be reassigned by the device */
GLubyte AlphaBits; /* driver to indicate the true texture */
GLubyte IntensityBits; /* color resolution. */
GLubyte LuminanceBits;
GLubyte IndexBits;
GLubyte DepthBits;
GLuint Border; /* 0 or 1 */
GLuint Width; /* = 2^WidthLog2 + 2*Border */
GLuint Height; /* = 2^HeightLog2 + 2*Border */
@@ -805,7 +816,9 @@ struct gl_texture_image {
GLuint MaxLog2; /* = MAX(WidthLog2, HeightLog2) */
GLvoid *Data; /* Image data, accessed via FetchTexel() */
FetchTexelFunc FetchTexel; /* texel fetch function pointer */
const struct gl_texture_format *TexFormat;
FetchTexelFunc FetchTexel; /* Texel fetch function pointer */
GLboolean IsCompressed; /* GL_ARB_texture_compression */
GLuint CompressedSize; /* GL_ARB_texture_compression */
@@ -832,6 +845,7 @@ struct gl_texture_object {
GLfloat MaxLod; /* max lambda, OpenGL 1.2 */
GLint BaseLevel; /* min mipmap level, OpenGL 1.2 */
GLint MaxLevel; /* max mipmap level, OpenGL 1.2 */
GLfloat MaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */
GLboolean CompareFlag; /* GL_SGIX_shadow */
GLenum CompareOperator; /* GL_SGIX_shadow */
GLchan ShadowAmbient; /* GL_SGIX_shadow_ambient */
@@ -1157,6 +1171,7 @@ struct gl_constants {
GLint MaxCubeTextureSize;
GLint MaxTextureLevels;
GLuint MaxTextureUnits;
GLfloat MaxTextureMaxAnisotropy; /* GL_EXT_texture_filter_anisotropic */
GLuint MaxArrayLockSize;
GLint SubPixelBits;
GLfloat MinPointSize, MaxPointSize; /* aliased */
@@ -1213,6 +1228,7 @@ struct gl_extensions {
GLboolean EXT_texture_env_add;
GLboolean EXT_texture_env_combine;
GLboolean EXT_texture_env_dot3;
GLboolean EXT_texture_filter_anisotropic;
GLboolean EXT_texture_object;
GLboolean EXT_texture_lod_bias;
GLboolean EXT_vertex_array_set;

566
src/mesa/main/texformat.c Normal file
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@@ -0,0 +1,566 @@
/* $Id: texformat.c,v 1.2 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 Brian Paul 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, 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
* 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.
*
* Author:
* Gareth Hughes <gareth@valinux.com>
*/
#ifdef PC_HEADER
#include "all.h"
#else
#include "glheader.h"
#include "colormac.h"
#include "context.h"
#include "image.h"
#include "mem.h"
#include "mmath.h"
#include "mtypes.h"
#include "texformat.h"
#include "teximage.h"
#include "texstate.h"
#include "swrast/s_span.h"
#endif
/* Texel fetch routines for all supported formats:
*/
#define DIM 1
#include "texformat_tmp.h"
#define DIM 2
#include "texformat_tmp.h"
#define DIM 3
#include "texformat_tmp.h"
/* Have to have this so the FetchTexel function pointer is never NULL.
*/
static void fetch_null_texel( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = 0;
rgba[GCOMP] = 0;
rgba[BCOMP] = 0;
rgba[ACOMP] = 0;
}
/* ================================================================
* Default GLchan-based formats:
*/
const struct gl_texture_format _mesa_texformat_rgba = {
MESA_FORMAT_RGBA, /* IntFormat */
CHAN_BITS, /* RedBits */
CHAN_BITS, /* GreenBits */
CHAN_BITS, /* BlueBits */
CHAN_BITS, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
4 * CHAN_BITS / 8, /* TexelBytes */
fetch_1d_texel_rgba, /* FetchTexel1D */
fetch_2d_texel_rgba, /* FetchTexel2D */
fetch_3d_texel_rgba, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_rgb = {
MESA_FORMAT_RGBA, /* IntFormat */
CHAN_BITS, /* RedBits */
CHAN_BITS, /* GreenBits */
CHAN_BITS, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
3 * CHAN_BITS / 8, /* TexelBytes */
fetch_1d_texel_rgb, /* FetchTexel1D */
fetch_2d_texel_rgb, /* FetchTexel2D */
fetch_3d_texel_rgb, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_alpha = {
MESA_FORMAT_ALPHA, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
CHAN_BITS, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
CHAN_BITS / 8, /* TexelBytes */
fetch_1d_texel_alpha, /* FetchTexel1D */
fetch_2d_texel_alpha, /* FetchTexel2D */
fetch_3d_texel_alpha, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_luminance = {
MESA_FORMAT_LUMINANCE, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
CHAN_BITS, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
CHAN_BITS / 8, /* TexelBytes */
fetch_1d_texel_luminance, /* FetchTexel1D */
fetch_2d_texel_luminance, /* FetchTexel2D */
fetch_3d_texel_luminance, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_luminance_alpha = {
MESA_FORMAT_LUMINANCE_ALPHA, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
CHAN_BITS, /* AlphaBits */
CHAN_BITS, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
2 * CHAN_BITS / 8, /* TexelBytes */
fetch_1d_texel_luminance_alpha, /* FetchTexel1D */
fetch_2d_texel_luminance_alpha, /* FetchTexel2D */
fetch_3d_texel_luminance_alpha, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_intensity = {
MESA_FORMAT_INTENSITY, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
CHAN_BITS, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
CHAN_BITS / 8, /* TexelBytes */
fetch_1d_texel_intensity, /* FetchTexel1D */
fetch_2d_texel_intensity, /* FetchTexel2D */
fetch_3d_texel_intensity, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_color_index = {
MESA_FORMAT_COLOR_INDEX, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
CHAN_BITS, /* IndexBits */
0, /* DepthBits */
CHAN_BITS / 8, /* TexelBytes */
fetch_1d_texel_color_index, /* FetchTexel1D */
fetch_2d_texel_color_index, /* FetchTexel2D */
fetch_3d_texel_color_index, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_depth_component = {
MESA_FORMAT_DEPTH_COMPONENT, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
sizeof(GLfloat) * 8, /* DepthBits */
sizeof(GLfloat), /* TexelBytes */
fetch_1d_texel_depth_component, /* FetchTexel1D */
fetch_2d_texel_depth_component, /* FetchTexel2D */
fetch_3d_texel_depth_component, /* FetchTexel3D */
};
/* ================================================================
* Hardware formats:
*/
const struct gl_texture_format _mesa_texformat_rgba8888 = {
MESA_FORMAT_RGBA8888, /* IntFormat */
8, /* RedBits */
8, /* GreenBits */
8, /* BlueBits */
8, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
4, /* TexelBytes */
fetch_1d_texel_rgba8888, /* FetchTexel1D */
fetch_2d_texel_rgba8888, /* FetchTexel2D */
fetch_3d_texel_rgba8888, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_argb8888 = {
MESA_FORMAT_ARGB8888, /* IntFormat */
8, /* RedBits */
8, /* GreenBits */
8, /* BlueBits */
8, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
4, /* TexelBytes */
fetch_1d_texel_argb8888, /* FetchTexel1D */
fetch_2d_texel_argb8888, /* FetchTexel2D */
fetch_3d_texel_argb8888, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_rgb888 = {
MESA_FORMAT_RGB888, /* IntFormat */
8, /* RedBits */
8, /* GreenBits */
8, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
3, /* TexelBytes */
fetch_1d_texel_rgb888, /* FetchTexel1D */
fetch_2d_texel_rgb888, /* FetchTexel2D */
fetch_3d_texel_rgb888, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_rgb565 = {
MESA_FORMAT_RGB565, /* IntFormat */
5, /* RedBits */
6, /* GreenBits */
5, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
2, /* TexelBytes */
fetch_1d_texel_rgb565, /* FetchTexel1D */
fetch_2d_texel_rgb565, /* FetchTexel2D */
fetch_3d_texel_rgb565, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_argb4444 = {
MESA_FORMAT_ARGB4444, /* IntFormat */
4, /* RedBits */
4, /* GreenBits */
4, /* BlueBits */
4, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
2, /* TexelBytes */
fetch_1d_texel_argb4444, /* FetchTexel1D */
fetch_2d_texel_argb4444, /* FetchTexel2D */
fetch_3d_texel_argb4444, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_argb1555 = {
MESA_FORMAT_ARGB1555, /* IntFormat */
5, /* RedBits */
5, /* GreenBits */
5, /* BlueBits */
1, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
2, /* TexelBytes */
fetch_1d_texel_argb1555, /* FetchTexel1D */
fetch_2d_texel_argb1555, /* FetchTexel2D */
fetch_3d_texel_argb1555, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_al88 = {
MESA_FORMAT_AL88, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
8, /* AlphaBits */
8, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
2, /* TexelBytes */
fetch_1d_texel_al88, /* FetchTexel1D */
fetch_2d_texel_al88, /* FetchTexel2D */
fetch_3d_texel_al88, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_rgb332 = {
MESA_FORMAT_RGB332, /* IntFormat */
3, /* RedBits */
3, /* GreenBits */
2, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
1, /* TexelBytes */
fetch_1d_texel_rgb332, /* FetchTexel1D */
fetch_2d_texel_rgb332, /* FetchTexel2D */
fetch_3d_texel_rgb332, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_a8 = {
MESA_FORMAT_A8, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
8, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
1, /* TexelBytes */
fetch_1d_texel_a8, /* FetchTexel1D */
fetch_2d_texel_a8, /* FetchTexel2D */
fetch_3d_texel_a8, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_l8 = {
MESA_FORMAT_L8, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
8, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
1, /* TexelBytes */
fetch_1d_texel_l8, /* FetchTexel1D */
fetch_2d_texel_l8, /* FetchTexel2D */
fetch_3d_texel_l8, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_i8 = {
MESA_FORMAT_I8, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
8, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
1, /* TexelBytes */
fetch_1d_texel_i8, /* FetchTexel1D */
fetch_2d_texel_i8, /* FetchTexel2D */
fetch_3d_texel_i8, /* FetchTexel3D */
};
const struct gl_texture_format _mesa_texformat_ci8 = {
MESA_FORMAT_CI8, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
8, /* IndexBits */
0, /* DepthBits */
1, /* TexelBytes */
fetch_1d_texel_ci8, /* FetchTexel1D */
fetch_2d_texel_ci8, /* FetchTexel2D */
fetch_3d_texel_ci8, /* FetchTexel3D */
};
/* ================================================================
* Null format:
*/
const struct gl_texture_format _mesa_null_texformat = {
-1, /* IntFormat */
0, /* RedBits */
0, /* GreenBits */
0, /* BlueBits */
0, /* AlphaBits */
0, /* LuminanceBits */
0, /* IntensityBits */
0, /* IndexBits */
0, /* DepthBits */
0, /* TexelBytes */
fetch_null_texel, /* FetchTexel1D */
fetch_null_texel, /* FetchTexel2D */
fetch_null_texel, /* FetchTexel3D */
};
/*
* Given an internal texture format enum or 1, 2, 3, 4 return the
* corresponding _base_ internal format: GL_ALPHA, GL_LUMINANCE,
* GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA.
* Return -1 if invalid enum.
*/
void _mesa_init_tex_format( GLcontext *ctx, GLenum internalFormat,
struct gl_texture_image *texImage )
{
texImage->IntFormat = internalFormat;
/* Ask the driver for the base format, if it doesn't know, it will
* return -1;
*/
if ( ctx->Driver.BaseCompressedTexFormat ) {
GLint format = 0; /* Silence compiler warning */
format = (*ctx->Driver.BaseCompressedTexFormat)( ctx, format );
if ( format >= 0 ) {
internalFormat = format;
}
}
switch ( internalFormat ) {
/* GH: Bias towards GL_RGB, GL_RGBA texture formats. This has
* got to be better than sticking them way down the end of this
* huge list.
*/
case 4: /* Quake3 uses this... */
case GL_RGBA:
texImage->Format = GL_RGBA;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_rgba;
break;
case 3: /* ... and this. */
case GL_RGB:
texImage->Format = GL_RGB;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_rgb;
break;
/* GH: Okay, keep checking as normal. Still test for GL_RGB,
* GL_RGBA formats first.
*/
case GL_RGBA2:
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_RGBA16:
texImage->Format = GL_RGBA;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_rgba;
break;
case GL_R3_G3_B2:
case GL_RGB4:
case GL_RGB5:
case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
texImage->Format = GL_RGB;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_rgb;
break;
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
texImage->Format = GL_ALPHA;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_alpha;
break;
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
texImage->Format = GL_LUMINANCE;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_luminance;
break;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
texImage->Format = GL_LUMINANCE_ALPHA;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_luminance_alpha;
break;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
texImage->Format = GL_INTENSITY;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_intensity;
break;
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX2_EXT:
case GL_COLOR_INDEX4_EXT:
case GL_COLOR_INDEX8_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
texImage->Format = GL_COLOR_INDEX;
texImage->Type = CHAN_TYPE;
texImage->TexFormat = &_mesa_texformat_color_index;
break;
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT16_SGIX:
case GL_DEPTH_COMPONENT24_SGIX:
case GL_DEPTH_COMPONENT32_SGIX:
if ( ctx->Extensions.SGIX_depth_texture ) {
texImage->Format = GL_DEPTH_COMPONENT;
texImage->Type = GL_FLOAT; /* XXX or GL_UNSIGNED_INT? */
texImage->TexFormat = &_mesa_texformat_depth_component;
} else {
/* This error should have already been caught and dealt with.
*/
_mesa_problem( ctx, "depth format without GL_SGIX_depth_texture" );
}
break;
default:
_mesa_problem( ctx, "unexpected format in _mesa_init_tex_format" );
return;
}
}

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/* $Id: texformat.h,v 1.2 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2001 Brian Paul 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, 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
* 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.
*
* Author:
* Gareth Hughes <gareth@valinux.com>
*/
#ifndef TEXFORMAT_H
#define TEXFORMAT_H
#include "mtypes.h"
/* The Mesa internal texture image types. These will be set to their
* default value, but may be changed by drivers as required.
*/
enum _format {
/* Generic GLchan-based formats. These are the default formats used
* by the software rasterizer and, unless the driver overrides the
* texture image functions, incoming images will be converted to one
* of these formats. Components are arrays of GLchan values, so
* there will be no big/little endian issues.
*
* NOTE: Because these are based on the GLchan datatype, one cannot
* assume 8 bits per channel with these formats. If you require
* GLubyte per channel, use one of the hardware formats below.
*/
MESA_FORMAT_RGBA,
MESA_FORMAT_RGB,
MESA_FORMAT_ALPHA,
MESA_FORMAT_LUMINANCE,
MESA_FORMAT_LUMINANCE_ALPHA,
MESA_FORMAT_INTENSITY,
MESA_FORMAT_COLOR_INDEX,
MESA_FORMAT_DEPTH_COMPONENT,
/* Hardware-friendly formats. Drivers can override the default
* formats and convert texture images to one of these as required.
* These formats are all little endian, as shown below. They will be
* most useful for x86-based PC graphics card drivers.
*
* NOTE: In the default case, some of these formats will be
* duplicates of the default formats listed above. However, these
* formats guarantee their internal component sizes, while GLchan may
* vary betwen GLubyte, GLushort and GLfloat.
*/
/* msb <------ TEXEL BITS -----------> lsb */
/* ---- ---- ---- ---- ---- ---- ---- ---- */
MESA_FORMAT_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
MESA_FORMAT_ARGB8888, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
MESA_FORMAT_RGB888, /* RRRR RRRR GGGG GGGG BBBB BBBB */
MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */
MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */
MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
MESA_FORMAT_RGB332, /* RRRG GGBB */
MESA_FORMAT_A8, /* AAAA AAAA */
MESA_FORMAT_L8, /* LLLL LLLL */
MESA_FORMAT_I8, /* IIII IIII */
MESA_FORMAT_CI8 /* CCCC CCCC */
};
extern void
_mesa_init_tex_format( GLcontext *ctx, GLenum internalFormat,
struct gl_texture_image *texImage );
/* The default formats, GLchan per component:
*/
extern const struct gl_texture_format _mesa_texformat_rgba;
extern const struct gl_texture_format _mesa_texformat_rgb;
extern const struct gl_texture_format _mesa_texformat_alpha;
extern const struct gl_texture_format _mesa_texformat_luminance;
extern const struct gl_texture_format _mesa_texformat_luminance_alpha;
extern const struct gl_texture_format _mesa_texformat_intensity;
extern const struct gl_texture_format _mesa_texformat_color_index;
extern const struct gl_texture_format _mesa_texformat_depth_component;
/* The hardware-friendly formats:
*/
extern const struct gl_texture_format _mesa_texformat_rgba8888;
extern const struct gl_texture_format _mesa_texformat_abgr8888;
extern const struct gl_texture_format _mesa_texformat_argb8888;
extern const struct gl_texture_format _mesa_texformat_rgb888;
extern const struct gl_texture_format _mesa_texformat_bgr888;
extern const struct gl_texture_format _mesa_texformat_rgb565;
extern const struct gl_texture_format _mesa_texformat_argb4444;
extern const struct gl_texture_format _mesa_texformat_argb1555;
extern const struct gl_texture_format _mesa_texformat_al88;
extern const struct gl_texture_format _mesa_texformat_rgb332;
extern const struct gl_texture_format _mesa_texformat_a8;
extern const struct gl_texture_format _mesa_texformat_l8;
extern const struct gl_texture_format _mesa_texformat_i8;
extern const struct gl_texture_format _mesa_texformat_ci8;
/* The null format:
*/
extern const struct gl_texture_format _mesa_null_texformat;
#endif

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#if DIM == 1
#define CHAN_SRC( t, i, j, k, sz ) \
((GLchan *)(t)->Data + (i) * (sz))
#define UBYTE_SRC( t, i, j, k, sz ) \
((GLubyte *)(t)->Data + (i) * (sz))
#define USHORT_SRC( t, i, j, k ) \
((GLushort *)(t)->Data + (i))
#define FLOAT_SRC( t, i, j, k ) \
((GLfloat *)(t)->Data + (i))
#define FETCH(x) fetch_1d_texel_##x
#elif DIM == 2
#define CHAN_SRC( t, i, j, k, sz ) \
((GLchan *)(t)->Data + ((t)->Width * (j) + (i)) * (sz))
#define UBYTE_SRC( t, i, j, k, sz ) \
((GLubyte *)(t)->Data + ((t)->Width * (j) + (i)) * (sz))
#define USHORT_SRC( t, i, j, k ) \
((GLushort *)(t)->Data + ((t)->Width * (j) + (i)))
#define FLOAT_SRC( t, i, j, k ) \
((GLfloat *)(t)->Data + ((t)->Width * (j) + (i)))
#define FETCH(x) fetch_2d_texel_##x
#elif DIM == 3
#define CHAN_SRC( t, i, j, k, sz ) \
(GLchan *)(t)->Data + (((t)->Height * (k) + (j)) * \
(t)->Width + (i)) * (sz)
#define UBYTE_SRC( t, i, j, k, sz ) \
((GLubyte *)(t)->Data + (((t)->Height * (k) + (j)) * \
(t)->Width + (i)) * (sz))
#define USHORT_SRC( t, i, j, k ) \
((GLushort *)(t)->Data + (((t)->Height * (k) + (j)) * \
(t)->Width + (i)))
#define FLOAT_SRC( t, i, j, k ) \
((GLfloat *)(t)->Data + (((t)->Height * (k) + (j)) * \
(t)->Width + (i)))
#define FETCH(x) fetch_3d_texel_##x
#else
#error "..."
#endif
static void FETCH(rgba)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 );
GLchan *rgba = (GLchan *) texel;
COPY_CHAN4( rgba, src );
}
static void FETCH(rgb)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLchan *src = CHAN_SRC( texImage, i, j, k, 3 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = src[0];
rgba[GCOMP] = src[1];
rgba[BCOMP] = src[2];
rgba[ACOMP] = CHAN_MAX;
}
static void FETCH(alpha)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = 0;
rgba[GCOMP] = 0;
rgba[BCOMP] = 0;
rgba[ACOMP] = src[0];
}
static void FETCH(luminance)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = src[0];
rgba[GCOMP] = src[0];
rgba[BCOMP] = src[0];
rgba[ACOMP] = CHAN_MAX;
}
static void FETCH(luminance_alpha)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLchan *src = CHAN_SRC( texImage, i, j, k, 2 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = src[0];
rgba[GCOMP] = src[0];
rgba[BCOMP] = src[0];
rgba[ACOMP] = src[1];
}
static void FETCH(intensity)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = src[0];
rgba[GCOMP] = src[0];
rgba[BCOMP] = src[0];
rgba[ACOMP] = src[0];
}
static void FETCH(color_index)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLchan *src = CHAN_SRC( texImage, i, j, k, 1 );
GLchan *index = (GLchan *) texel;
*index = *src;
}
static void FETCH(depth_component)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLfloat *src = FLOAT_SRC( texImage, i, j, k );
GLfloat *depth = (GLfloat *) texel;
*depth = *src;
}
static void FETCH(rgba8888)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = UBYTE_TO_CHAN( src[3] );
rgba[GCOMP] = UBYTE_TO_CHAN( src[2] );
rgba[BCOMP] = UBYTE_TO_CHAN( src[1] );
rgba[ACOMP] = UBYTE_TO_CHAN( src[0] );
}
static void FETCH(argb8888)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 4 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = UBYTE_TO_CHAN( src[2] );
rgba[GCOMP] = UBYTE_TO_CHAN( src[1] );
rgba[BCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[ACOMP] = UBYTE_TO_CHAN( src[3] );
}
static void FETCH(rgb888)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 3 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = UBYTE_TO_CHAN( src[2] );
rgba[GCOMP] = UBYTE_TO_CHAN( src[1] );
rgba[BCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[ACOMP] = CHAN_MAX;
}
static void FETCH(rgb565)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLushort *src = USHORT_SRC( texImage, i, j, k );
GLchan *rgba = (GLchan *) texel; GLushort s = *src;
rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) * 255 / 0xf8 );
rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) * 255 / 0xfc );
rgba[BCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xf8) * 255 / 0xf8 );
rgba[ACOMP] = CHAN_MAX;
}
static void FETCH(argb4444)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLushort *src = USHORT_SRC( texImage, i, j, k );
GLchan *rgba = (GLchan *) texel; GLushort s = *src;
rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) * 255 / 0xf );
rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) * 255 / 0xf );
rgba[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) * 255 / 0xf );
rgba[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) * 255 / 0xf );
}
static void FETCH(argb1555)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLushort *src = USHORT_SRC( texImage, i, j, k );
GLchan *rgba = (GLchan *) texel; GLushort s = *src;
rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0xf8) * 255 / 0xf8 );
rgba[GCOMP] = UBYTE_TO_CHAN( ((s >> 5) & 0xf8) * 255 / 0xf8 );
rgba[BCOMP] = UBYTE_TO_CHAN( ((s ) & 0xf8) * 255 / 0xf8 );
rgba[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 );
}
static void FETCH(al88)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 2 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[GCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[BCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[ACOMP] = UBYTE_TO_CHAN( src[1] );
}
static void FETCH(rgb332)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 );
GLchan *rgba = (GLchan *) texel; GLubyte s = *src;
rgba[RCOMP] = UBYTE_TO_CHAN( ((s ) & 0xe0) * 255 / 0xe0 );
rgba[GCOMP] = UBYTE_TO_CHAN( ((s << 3) & 0xe0) * 255 / 0xe0 );
rgba[BCOMP] = UBYTE_TO_CHAN( ((s << 5) & 0xc0) * 255 / 0xc0 );
rgba[ACOMP] = CHAN_MAX;
}
static void FETCH(a8)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = 0;
rgba[GCOMP] = 0;
rgba[BCOMP] = 0;
rgba[ACOMP] = UBYTE_TO_CHAN( src[0] );
}
static void FETCH(l8)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[GCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[BCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[ACOMP] = CHAN_MAX;
}
static void FETCH(i8)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 );
GLchan *rgba = (GLchan *) texel;
rgba[RCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[GCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[BCOMP] = UBYTE_TO_CHAN( src[0] );
rgba[ACOMP] = UBYTE_TO_CHAN( src[0] );
}
static void FETCH(ci8)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLvoid *texel )
{
const GLubyte *src = UBYTE_SRC( texImage, i, j, k, 1 );
GLchan *index = (GLchan *) texel;
*index = UBYTE_TO_CHAN( *src );
}
#undef CHAN_SRC
#undef UBYTE_SRC
#undef USHORT_SRC
#undef FLOAT_SRC
#undef FETCH
#undef DIM

29
src/mesa/main/teximage.c
View File

@@ -1,4 +1,4 @@
/* $Id: teximage.c,v 1.84 2001/03/12 00:48:38 gareth Exp $ */
/* $Id: teximage.c,v 1.85 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -36,6 +36,7 @@
#include "mem.h"
#include "mmath.h"
#include "state.h"
#include "texformat.h"
#include "teximage.h"
#include "texstate.h"
#include "mtypes.h"
@@ -559,13 +560,6 @@ clear_teximage_fields(struct gl_texture_image *img)
img->Format = 0;
img->Type = 0;
img->IntFormat = 0;
img->RedBits = 0;
img->GreenBits = 0;
img->BlueBits = 0;
img->AlphaBits = 0;
img->IntensityBits = 0;
img->LuminanceBits = 0;
img->IndexBits = 0;
img->Border = 0;
img->Width = 0;
img->Height = 0;
@@ -577,9 +571,10 @@ clear_teximage_fields(struct gl_texture_image *img)
img->HeightLog2 = 0;
img->DepthLog2 = 0;
img->Data = NULL;
img->TexFormat = &_mesa_null_texformat;
img->FetchTexel = NULL;
img->IsCompressed = 0;
img->CompressedSize = 0;
img->FetchTexel = NULL;
}
@@ -1102,11 +1097,10 @@ void
_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
GLenum type, GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
const struct gl_texture_unit *texUnit;
const struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
@@ -1631,11 +1625,10 @@ _mesa_TexSubImage1D( GLenum target, GLint level,
const GLvoid *pixels )
{
GLsizei postConvWidth = width;
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->NewState & _NEW_PIXEL)
@@ -1675,11 +1668,10 @@ _mesa_TexSubImage2D( GLenum target, GLint level,
const GLvoid *pixels )
{
GLsizei postConvWidth = width, postConvHeight = height;
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->NewState & _NEW_PIXEL)
@@ -1720,11 +1712,10 @@ _mesa_TexSubImage3D( GLenum target, GLint level,
GLenum format, GLenum type,
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->NewState & _NEW_PIXEL)
@@ -2247,7 +2238,6 @@ _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
@@ -2283,7 +2273,6 @@ _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
@@ -2319,7 +2308,6 @@ _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
@@ -2353,7 +2341,6 @@ _mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
const struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (level < 0 || level >= ctx->Const.MaxTextureLevels) {

3
src/mesa/main/texobj.c
View File

@@ -1,4 +1,4 @@
/* $Id: texobj.c,v 1.44 2001/03/12 00:48:39 gareth Exp $ */
/* $Id: texobj.c,v 1.45 2001/03/18 08:53:49 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -79,6 +79,7 @@ _mesa_alloc_texture_object( struct gl_shared_state *shared,
obj->MaxLod = 1000.0;
obj->BaseLevel = 0;
obj->MaxLevel = 1000;
obj->MaxAnisotropy = 1.0;
obj->CompareFlag = GL_FALSE;
obj->CompareOperator = GL_TEXTURE_LEQUAL_R_SGIX;
obj->ShadowAmbient = 0;

31
src/mesa/main/texstate.c
View File

@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.36 2001/03/07 05:06:12 brianp Exp $ */
/* $Id: texstate.c,v 1.37 2001/03/18 08:53:50 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -770,6 +770,19 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
/* (keithh@netcomuk.co.uk) */
texObj->Priority = CLAMP( params[0], 0.0F, 1.0F );
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
if (params[0] < 1.0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
texObj->MaxAnisotropy = params[0];
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname)");
return;
}
break;
case GL_TEXTURE_COMPARE_SGIX:
if (ctx->Extensions.SGIX_shadow) {
texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE;
@@ -923,32 +936,32 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
*params = img->Border;
return;
case GL_TEXTURE_RED_SIZE:
*params = img->RedBits;
*params = img->TexFormat->RedBits;
return;
case GL_TEXTURE_GREEN_SIZE:
*params = img->GreenBits;
*params = img->TexFormat->GreenBits;
return;
case GL_TEXTURE_BLUE_SIZE:
*params = img->BlueBits;
*params = img->TexFormat->BlueBits;
return;
case GL_TEXTURE_ALPHA_SIZE:
*params = img->AlphaBits;
*params = img->TexFormat->AlphaBits;
return;
case GL_TEXTURE_INTENSITY_SIZE:
*params = img->IntensityBits;
*params = img->TexFormat->IntensityBits;
return;
case GL_TEXTURE_LUMINANCE_SIZE:
*params = img->LuminanceBits;
*params = img->TexFormat->LuminanceBits;
return;
case GL_TEXTURE_INDEX_SIZE_EXT:
*params = img->IndexBits;
*params = img->TexFormat->IndexBits;
return;
case GL_DEPTH_BITS:
/* XXX this isn't in the GL_SGIX_depth_texture spec
* but seems appropriate.
*/
if (ctx->Extensions.SGIX_depth_texture)
*params = img->DepthBits;
*params = img->TexFormat->DepthBits;
else
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
return;

84
src/mesa/main/texstore.c
View File

@@ -1,4 +1,4 @@
/* $Id: texstore.c,v 1.11 2001/03/12 00:48:39 gareth Exp $ */
/* $Id: texstore.c,v 1.12 2001/03/18 08:53:50 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -50,6 +50,7 @@
#include "swrast/s_span.h"
#if 0
/*
* Default 1-D texture texel fetch function. This will typically be
* overridden by hardware drivers which store their texture images in
@@ -446,6 +447,7 @@ set_teximage_component_sizes( struct gl_texture_image *texImage )
_mesa_problem(NULL, "unexpected format in set_teximage_component_sizes");
}
}
#endif
@@ -793,8 +795,6 @@ _mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
const GLint components = components_in_intformat(internalFormat);
GLint compSize;
GLint postConvWidth = width;
if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
@@ -802,20 +802,12 @@ _mesa_store_teximage1d(GLcontext *ctx, GLenum target, GLint level,
}
/* setup the teximage struct's fields */
texImage->Format = (GLenum) _mesa_base_tex_format(ctx, internalFormat);
if (format == GL_DEPTH_COMPONENT) {
texImage->Type = GL_FLOAT; /* XXX or GL_UNSIGNED_INT? */
compSize = sizeof(GLfloat);
}
else {
texImage->Type = CHAN_TYPE; /* usually GL_UNSIGNED_BYTE */
compSize = sizeof(CHAN_TYPE);
}
texImage->FetchTexel = fetch_1d_texel;
set_teximage_component_sizes(texImage);
_mesa_init_tex_format( ctx, internalFormat, texImage );
texImage->FetchTexel = texImage->TexFormat->FetchTexel1D;
/* allocate memory */
texImage->Data = (GLchan *) MALLOC(postConvWidth * components * compSize);
texImage->Data = (GLchan *) MALLOC(postConvWidth *
texImage->TexFormat->TexelBytes);
if (!texImage->Data)
return; /* out of memory */
@@ -844,9 +836,8 @@ _mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
const GLint components = components_in_intformat(internalFormat);
GLint compSize;
GLint postConvWidth = width, postConvHeight = height;
GLint texelBytes;
if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
_mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
@@ -854,28 +845,21 @@ _mesa_store_teximage2d(GLcontext *ctx, GLenum target, GLint level,
}
/* setup the teximage struct's fields */
texImage->Format = (GLenum) _mesa_base_tex_format(ctx, internalFormat);
if (format == GL_DEPTH_COMPONENT) {
texImage->Type = GL_FLOAT; /* XXX or GL_UNSIGNED_INT? */
compSize = sizeof(GLfloat);
}
else {
texImage->Type = CHAN_TYPE; /* usually GL_UNSIGNED_BYTE */
compSize = sizeof(CHAN_TYPE);
}
texImage->FetchTexel = fetch_2d_texel;
set_teximage_component_sizes(texImage);
_mesa_init_tex_format( ctx, internalFormat, texImage );
texImage->FetchTexel = texImage->TexFormat->FetchTexel2D;
texelBytes = texImage->TexFormat->TexelBytes;
/* allocate memory */
texImage->Data = (GLchan *) MALLOC(postConvWidth * postConvHeight
* components * compSize);
texImage->Data = (GLchan *) MALLOC(postConvWidth * postConvHeight *
texelBytes);
if (!texImage->Data)
return; /* out of memory */
/* unpack image, apply transfer ops and store in texImage->Data */
_mesa_transfer_teximage(ctx, 2, texImage->Format, (GLchan *) texImage->Data,
width, height, 1, 0, 0, 0,
texImage->Width * components * sizeof(GLchan),
texImage->Width * texelBytes,
0, /* dstImageStride */
format, type, pixels, packing);
}
@@ -898,34 +882,24 @@ _mesa_store_teximage3d(GLcontext *ctx, GLenum target, GLint level,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
const GLint components = components_in_intformat(internalFormat);
GLint compSize;
GLint texelBytes;
/* setup the teximage struct's fields */
texImage->Format = (GLenum) _mesa_base_tex_format(ctx, internalFormat);
if (format == GL_DEPTH_COMPONENT) {
texImage->Type = GL_FLOAT; /* XXX or GL_UNSIGNED_INT? */
compSize = sizeof(GLfloat);
}
else {
texImage->Type = CHAN_TYPE; /* usually GL_UNSIGNED_BYTE */
compSize = sizeof(CHAN_TYPE);
}
texImage->FetchTexel = fetch_3d_texel;
set_teximage_component_sizes(texImage);
_mesa_init_tex_format( ctx, internalFormat, texImage );
texImage->FetchTexel = texImage->TexFormat->FetchTexel3D;
texelBytes = texImage->TexFormat->TexelBytes;
/* allocate memory */
texImage->Data = (GLchan *) MALLOC(width * height * depth
* components * compSize);
texImage->Data = (GLchan *) MALLOC(width * height * depth * texelBytes);
if (!texImage->Data)
return; /* out of memory */
/* unpack image, apply transfer ops and store in texImage->Data */
_mesa_transfer_teximage(ctx, 3, texImage->Format, (GLchan *) texImage->Data,
width, height, depth, 0, 0, 0,
texImage->Width * components * sizeof(GLchan),
texImage->Width * texImage->Height * components
* sizeof(GLchan),
texImage->Width * texelBytes,
texImage->Width * texImage->Height * texelBytes,
format, type, pixels, packing);
}
@@ -1422,7 +1396,6 @@ _mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
GLint compSize;
(void) format;
(void) type;
@@ -1437,16 +1410,7 @@ _mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
* have to override this function.
*/
/* setup the teximage struct's fields */
texImage->Format = (GLenum) _mesa_base_tex_format(ctx, internalFormat);
if (format == GL_DEPTH_COMPONENT) {
texImage->Type = GL_FLOAT; /* XXX or GL_UNSIGNED_INT? */
compSize = sizeof(GLfloat);
}
else {
texImage->Type = CHAN_TYPE; /* usually GL_UNSIGNED_BYTE */
compSize = sizeof(CHAN_TYPE);
}
set_teximage_component_sizes(texImage);
_mesa_init_tex_format( ctx, internalFormat, texImage );
return GL_TRUE;
}

2386
src/mesa/main/texutil.c
View File

File diff suppressed because it is too large Load Diff

90
src/mesa/main/texutil.h
View File

@@ -1,4 +1,4 @@
/* $Id: texutil.h,v 1.8 2001/03/12 00:48:39 gareth Exp $ */
/* $Id: texutil.h,v 1.9 2001/03/18 08:53:50 gareth Exp $ */
/*
* Mesa 3-D graphics library
@@ -22,71 +22,51 @@
* BRIAN PAUL 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.
*
* Authors:
* Gareth Hughes <gareth@valinux.com>
*/
#ifndef TEXUTIL_H
#define TEXUTIL_H
#include "mtypes.h"
#include "texformat.h"
extern GLboolean
_mesa_convert_texsubimage1d( GLint mesaFormat,
GLint xoffset,
GLint width,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *packing,
const GLvoid *srcImage, GLvoid *dstImage );
extern GLboolean
_mesa_convert_texsubimage2d( GLint mesaFormat,
GLint xoffset, GLint yoffset,
GLint width, GLint height,
GLint imageWidth,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *packing,
const GLvoid *srcImage, GLvoid *dstImage );
/*
* NOTE: "FF" means fill with byte value 0xff
extern GLboolean
_mesa_convert_texsubimage3d( GLint mesaFormat,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint width, GLint height, GLint depth,
GLint imageWidth, GLint imageHeight,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *packing,
const GLvoid *srcImage, GLvoid *dstImage );
/* Nearest filtering only (for broken hardware that can't support
* all aspect ratios). FIXME: Make this a subimage update as well...
*/
/* msb <------ TEXEL BITS -----------> lsb */
typedef enum { /* ---- ---- ---- ---- ---- ---- ---- ---- */
MESA_I8, /* IIII IIII */
MESA_L8, /* LLLL LLLL */
MESA_A8, /* AAAA AAAA */
MESA_C8, /* CCCC CCCC */
MESA_A8_L8, /* AAAA AAAA LLLL LLLL */
MESA_R5_G6_B5, /* RRRR RGGG GGGB BBBB */
MESA_A4_R4_G4_B4, /* AAAA RRRR GGGG BBBB */
MESA_A1_R5_G5_B5, /* ARRR RRGG GGGB BBBB */
MESA_A8_R8_G8_B8, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
MESA_FF_R8_G8_B8 /* FFFF FFFF RRRR RRRR GGGG GGGG BBBB BBBB */
} MesaIntTexFormat;
extern GLboolean
_mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint dstWidth, GLint dstHeight, GLvoid *dstImage,
GLint dstRowStride,
GLint srcWidth, GLint srcHeight,
GLenum srcFormat, GLenum srcType,
const GLvoid *srcImage,
const struct gl_pixelstore_attrib *packing);
extern GLboolean
_mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint dstXoffset, GLint dstYoffset,
GLint dstWidth, GLint dstHeight, GLvoid *dstImage,
GLint dstRowStride,
GLint width, GLint height,
GLint srcWidth, GLint srcHeight,
GLenum srcFormat, GLenum srcType,
const GLvoid *srcImage,
const struct gl_pixelstore_attrib *packing);
extern void
_mesa_unconvert_teximage(MesaIntTexFormat srcFormat,
GLint srcWidth, GLint srcHeight,
const GLvoid *srcImage, GLint srcRowStride,
GLint dstWidth, GLint dstHeight,
GLenum dstFormat, GLubyte *dstImage);
extern void
_mesa_set_teximage_component_sizes(MesaIntTexFormat mesaFormat,
struct gl_texture_image *texImage);
_mesa_rescale_teximage2d( const struct gl_texture_format *texFormat,
GLint srcWidth, GLint srcHeight,
GLint dstWidth, GLint dstHeight,
const GLvoid *srcImage, GLvoid *dstImage );
#endif

375
src/mesa/main/texutil_tmp.h Normal file
View File

@@ -0,0 +1,375 @@
/*
* NOTE: All 3D code is untested and most definitely broken...
*/
#define DST_TEXEL_BYTES (4 / DST_TEXELS_PER_DWORD)
#define DST_ROW_WIDTH (convert->width * DST_TEXEL_BYTES)
#define DST_ROW_STRIDE (convert->imageWidth * DST_TEXEL_BYTES)
#define DST_IMG_STRIDE (convert->imageWidth * \
convert->imageHeight * DST_TEXEL_BYTES)
/* ================================================================
* PRE: No pixelstore attribs, width == imageWidth.
*/
static GLboolean
TAG(texsubimage2d)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)convert->srcImage;
GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
(convert->yoffset * convert->imageWidth +
convert->xoffset) * DST_TEXEL_BYTES);
GLint dwords, i;
(void) dwords; (void) i;
if ( DBG )
fprintf( stderr, __FUNCTION__ "\n" );
#ifdef CONVERT_DIRECT
MEMCPY( dst, src, convert->height * DST_ROW_WIDTH );
#else
dwords = (convert->width * convert->height +
DST_TEXELS_PER_DWORD - 1) / DST_TEXELS_PER_DWORD;
for ( i = 0 ; i < dwords ; i++ ) {
*dst++ = CONVERT_TEXEL_DWORD( src );
src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
}
#endif
return GL_TRUE;
}
/* PRE: As above, height == imageHeight also.
*/
static GLboolean
TAG(texsubimage3d)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)convert->srcImage;
GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
((convert->zoffset * convert->height +
convert->yoffset) * convert->width +
convert->xoffset) * DST_TEXEL_BYTES);
GLint dwords, i;
(void) dwords; (void) i;
if ( DBG )
fprintf( stderr, __FUNCTION__ "\n" );
#ifdef CONVERT_DIRECT
MEMCPY( dst, src, convert->depth * convert->height * DST_ROW_WIDTH );
#else
dwords = (convert->width * convert->height * convert->depth +
DST_TEXELS_PER_DWORD - 1) / DST_TEXELS_PER_DWORD;
for ( i = 0 ; i < dwords ; i++ ) {
*dst++ = CONVERT_TEXEL_DWORD( src );
src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
}
#endif
return GL_TRUE;
}
/* ================================================================
* PRE: No pixelstore attribs, width != imageWidth.
*/
static GLboolean
TAG(texsubimage2d_stride)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)convert->srcImage;
DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
(convert->yoffset * convert->imageWidth +
convert->xoffset) * DST_TEXEL_BYTES);
GLint adjust;
GLint row, col;
adjust = convert->imageWidth - convert->width;
if ( DBG ) {
fprintf( stderr, __FUNCTION__ ":\n" );
fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n",
convert->xoffset, convert->yoffset, convert->width,
convert->height, convert->imageWidth );
fprintf( stderr, " adjust=%d\n", adjust );
}
for ( row = 0 ; row < convert->height ; row++ ) {
for ( col = 0 ; col < convert->width ; col++ ) {
*dst++ = CONVERT_TEXEL( src );
src += SRC_TEXEL_BYTES;
}
dst += adjust;
}
return GL_TRUE;
}
/* PRE: As above, or height != imageHeight also.
*/
static GLboolean
TAG(texsubimage3d_stride)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)convert->srcImage;
DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
((convert->zoffset * convert->imageHeight +
convert->yoffset) * convert->imageWidth +
convert->xoffset) * DST_TEXEL_BYTES);
GLint adjust;
GLint row, col, img;
adjust = convert->imageWidth - convert->width;
if ( DBG ) {
fprintf( stderr, __FUNCTION__ ":\n" );
fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n",
convert->xoffset, convert->yoffset, convert->width,
convert->height, convert->imageWidth );
fprintf( stderr, " adjust=%d\n", adjust );
}
for ( img = 0 ; img < convert->depth ; img++ ) {
for ( row = 0 ; row < convert->height ; row++ ) {
for ( col = 0 ; col < convert->width ; col++ ) {
*dst++ = CONVERT_TEXEL( src );
src += SRC_TEXEL_BYTES;
}
dst += adjust;
}
/* FIXME: ... */
}
return GL_TRUE;
}
/* ================================================================
* PRE: Require pixelstore attribs, width == imageWidth.
*/
static GLboolean
TAG(texsubimage2d_pack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
_mesa_image_address( convert->packing, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
const GLint srcRowStride =
_mesa_image_row_stride( convert->packing, convert->width,
convert->format, convert->type );
GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
(convert->yoffset * convert->width +
convert->xoffset) * DST_TEXEL_BYTES);
GLint width;
GLint row, col;
(void) col;
if ( DBG )
fprintf( stderr, __FUNCTION__ "\n" );
width = ((convert->width + DST_TEXELS_PER_DWORD - 1)
& ~(DST_TEXELS_PER_DWORD - 1));
for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
MEMCPY( dst, src, DST_ROW_STRIDE );
src += srcRowStride;
dst = (GLuint *)((GLubyte *)dst + DST_ROW_STRIDE);
#else
const GLubyte *srcRow = src;
for ( col = width / DST_TEXELS_PER_DWORD ; col ; col-- ) {
*dst++ = CONVERT_TEXEL_DWORD( src );
src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
}
src = srcRow + srcRowStride;
#endif
}
return GL_TRUE;
}
/* PRE: as above, height == imageHeight also.
*/
static GLboolean
TAG(texsubimage3d_pack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
_mesa_image_address( convert->packing, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
const GLint srcRowStride =
_mesa_image_row_stride( convert->packing, convert->width,
convert->format, convert->type );
GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
((convert->zoffset * convert->height +
convert->yoffset) * convert->width +
convert->xoffset) * DST_TEXEL_BYTES);
GLint width;
GLint row, col, img;
(void) col;
if ( DBG )
fprintf( stderr, __FUNCTION__ "\n" );
width = ((convert->width + DST_TEXELS_PER_DWORD - 1)
& ~(DST_TEXELS_PER_DWORD - 1));
for ( img = 0 ; img < convert->depth ; img++ ) {
for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
MEMCPY( dst, src, DST_ROW_STRIDE );
src += srcRowStride;
dst = (GLuint *)((GLubyte *)dst + DST_ROW_STRIDE);
#else
const GLubyte *srcRow = src;
for ( col = width / DST_TEXELS_PER_DWORD ; col ; col-- ) {
*dst++ = CONVERT_TEXEL_DWORD( src );
src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
}
src = srcRow + srcRowStride;
#endif
}
}
return GL_TRUE;
}
/* ================================================================
* PRE: Require pixelstore attribs, width != imageWidth.
*/
static GLboolean
TAG(texsubimage2d_stride_pack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
_mesa_image_address( convert->packing, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
const GLint srcRowStride =
_mesa_image_row_stride( convert->packing, convert->width,
convert->format, convert->type );
DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
(convert->yoffset * convert->imageWidth +
convert->xoffset) * DST_TEXEL_BYTES);
GLint adjust;
GLint row, col;
(void) col;
adjust = convert->imageWidth - convert->width;
if ( DBG ) {
fprintf( stderr, __FUNCTION__ ":\n" );
fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n",
convert->xoffset, convert->yoffset, convert->width,
convert->height, convert->imageWidth );
fprintf( stderr, " adjust=%d\n", adjust );
}
for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
MEMCPY( dst, src, DST_ROW_WIDTH );
src += srcRowStride;
dst += convert->imageWidth;
#else
const GLubyte *srcRow = src;
for ( col = 0 ; col < convert->width ; col++ ) {
*dst++ = CONVERT_TEXEL( src );
src += SRC_TEXEL_BYTES;
}
src = srcRow + srcRowStride;
dst += adjust;
#endif
}
return GL_TRUE;
}
/* PRE: As above, or height != imageHeight also.
*/
static GLboolean
TAG(texsubimage3d_stride_pack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
_mesa_image_address( convert->packing, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
const GLint srcRowStride =
_mesa_image_row_stride( convert->packing, convert->width,
convert->format, convert->type );
DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
((convert->zoffset * convert->imageHeight +
convert->yoffset) * convert->imageWidth +
convert->xoffset) * DST_TEXEL_BYTES);
GLint adjust;
GLint row, col, img;
(void) col;
adjust = convert->imageWidth - convert->width;
if ( DBG ) {
fprintf( stderr, __FUNCTION__ ":\n" );
fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n",
convert->xoffset, convert->yoffset, convert->width,
convert->height, convert->imageWidth );
fprintf( stderr, " adjust=%d\n", adjust );
}
for ( img = 0 ; img < convert->depth ; img++ ) {
for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
MEMCPY( dst, src, DST_ROW_WIDTH );
src += srcRowStride;
dst += convert->imageWidth;
#else
const GLubyte *srcRow = src;
for ( col = 0 ; col < convert->width ; col++ ) {
*dst++ = CONVERT_TEXEL( src );
src += SRC_TEXEL_BYTES;
}
src = srcRow + srcRowStride;
dst += adjust;
#endif
}
/* FIXME: ... */
}
return GL_TRUE;
}
static convert_func TAG(texsubimage2d_tab)[] = {
TAG(texsubimage2d),
TAG(texsubimage2d_stride),
TAG(texsubimage2d_pack),
TAG(texsubimage2d_stride_pack),
};
static convert_func TAG(texsubimage3d_tab)[] = {
TAG(texsubimage3d),
TAG(texsubimage3d_stride),
TAG(texsubimage3d_pack),
TAG(texsubimage3d_stride_pack),
};
#ifndef PRESERVE_DST_TYPE
#undef DST_TYPE
#undef DST_TEXELS_PER_DWORD
#endif
#undef SRC_TEXEL_BYTES
#undef DST_TEXEL_BYTES
#undef DST_ROW_WIDTH
#undef DST_ROW_STRIDE
#undef CONVERT_TEXEL
#undef CONVERT_TEXEL_DWORD
#undef CONVERT_DIRECT
#undef TAG
#undef PRESERVE_DST_TYPE