src/mesa/drivers/dri/r600/r700_tex.h

   1 /*
   2  * Copyright (C) 2008-2009  Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included
  12  * in all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  */
  21
  22 /*
  23  * Authors:
  24  *   Richard Li <RichardZ.Li@amd.com>, <richardradeon@gmail.com>
  25  */
  26
  27 #ifndef __r700_TEX_H__
  28 #define __r700_TEX_H__
  29
  30 #include "texmem.h"
  31
  32 #include "r700_chip.h"
  33
  34 /* TODO : review this after texture load code. */
  35 #define R700_BLIT_WIDTH_BYTES 1024
  36 /* The BASE_ADDRESS and MIP_ADDRESS fields are 256-byte-aligned */
  37 #define R700_TEXTURE_ALIGNMENT_MASK     0x255
  38 /* Texel pitch is 8 alignment. */
  39 #define R700_TEXEL_PITCH_ALIGNMENT_MASK 0x7
  40
  41 #define R700_MAX_TEXTURE_UNITS 8 /* TODO : should be 16, lets make it work, review later */
  42
  43 typedef struct r700_tex_obj r700TexObj, *r700TexObjPtr;
  44
  45 /* Texture object in locally shared texture space.
  46  */
  47 struct r700_tex_obj
  48 {
  49         driTextureObject base;
  50
  51         /* r300 tex obj */
  52         GLuint bufAddr;
  53         GLboolean image_override;
  54         GLuint pitch;
  55         GLuint filter;
  56         GLuint filter_1;
  57         GLuint pitch_reg;
  58         GLuint size;
  59         GLuint format;
  60         GLuint offset;
  61         GLuint unknown4;
  62         GLuint unknown5;
  63         GLboolean border_fallback;
  64         GLuint tile_bits;
  65
  66     /* r700 texture states */
  67     TEXTURE_STATE_STRUCT texture_state;
  68     SAMPLER_STATE_STRUCT sampler_state;
  69
  70     GLuint texel_pitch[6][RADEON_MAX_TEXTURE_LEVELS];
  71     GLuint level_offset[6][RADEON_MAX_TEXTURE_LEVELS];
  72     GLuint byte_per_texel;
  73     GLuint src_width_in_pexel[6][RADEON_MAX_TEXTURE_LEVELS];
  74     GLuint src_hight_in_pexel[6][RADEON_MAX_TEXTURE_LEVELS];
  75
  76     GLuint my_dirty_images[6]; /* TODO : review */
  77 };
  78
  79 extern void r700SetTexBuffer(__DRIcontext *pDRICtx, GLint target,
  80                              __DRIdrawable *dPriv);
  81
  82 extern void r700SetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
  83                               GLint format, __DRIdrawable *dPriv);
  84
  85 extern void r700SetTexOffset(__DRIcontext *pDRICtx, GLint texname,
  86                              unsigned long long offset, GLint depth,
  87                              GLuint pitch);
  88
  89 extern GLuint r700GetTexObjSize(void);
  90 extern void r700UpdateTextureState(context_t * context);
  91
  92 extern void r700SetTexOffset(__DRIcontext *pDRICtx,
  93                              GLint texname,
  94                                          unsigned long long offset,
  95                              GLint depth,
  96                                          GLuint pitch);
  97
  98 extern void r700DestroyTexObj(context_t rmesa, r700TexObjPtr t);
  99
 100 extern GLboolean r700ValidateBuffers(GLcontext * ctx);
 101
 102 extern void r700InitTextureFuncs(struct dd_function_table *functions);
 103
 104 #endif /* __r700_TEX_H__ */