src/mesa/drivers/dri/i915tex/intel_tex_subimage.c

   1
   2 /**************************************************************************
   3  *
   4  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #include "mtypes.h"
  30 #include "texobj.h"
  31 #include "texstore.h"
  32 #include "enums.h"
  33
  34 #include "intel_context.h"
  35 #include "intel_tex.h"
  36 #include "intel_mipmap_tree.h"
  37
  38 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
  39
  40 static void
  41 intelTexSubimage(GLcontext * ctx,
  42                  GLint dims,
  43                  GLenum target, GLint level,
  44                  GLint xoffset, GLint yoffset, GLint zoffset,
  45                  GLint width, GLint height, GLint depth,
  46                  GLenum format, GLenum type, const void *pixels,
  47                  const struct gl_pixelstore_attrib *packing,
  48                  struct gl_texture_object *texObj,
  49                  struct gl_texture_image *texImage)
  50 {
  51    struct intel_context *intel = intel_context(ctx);
  52    struct intel_texture_image *intelImage = intel_texture_image(texImage);
  53    GLuint dstRowStride;
  54
  55    DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
  56        _mesa_lookup_enum_by_nr(target),
  57        level, xoffset, yoffset, width, height);
  58
  59    intelFlush(ctx);
  60
  61    pixels =
  62       _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
  63                                   type, pixels, packing, "glTexSubImage2D");
  64    if (!pixels)
  65       return;
  66
  67    if (intelImage->mt)
  68       intel_region_idle(intel->intelScreen, intelImage->mt->region);
  69
  70    LOCK_HARDWARE(intel);
  71
  72    /* Map buffer if necessary.  Need to lock to prevent other contexts
  73     * from uploading the buffer under us.
  74     */
  75    if (intelImage->mt)
  76       texImage->Data = intel_miptree_image_map(intel,
  77                                                intelImage->mt,
  78                                                intelImage->face,
  79                                                intelImage->level,
  80                                                &dstRowStride,
  81                                                texImage->ImageOffsets);
  82
  83    assert(dstRowStride);
  84
  85    if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
  86                                         texImage->TexFormat,
  87                                         texImage->Data,
  88                                         xoffset, yoffset, zoffset,
  89                                         dstRowStride,
  90                                         texImage->ImageOffsets,
  91                                         width, height, depth,
  92                                         format, type, pixels, packing)) {
  93       _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
  94    }
  95
  96 #if 0
  97    /* GL_SGIS_generate_mipmap */
  98    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
  99       _mesa_generate_mipmap(ctx, target,
 100                             &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
 101                             texObj);
 102    }
 103 #endif
 104
 105    _mesa_unmap_teximage_pbo(ctx, packing);
 106
 107    if (intelImage->mt) {
 108       intel_miptree_image_unmap(intel, intelImage->mt);
 109       texImage->Data = NULL;
 110    }
 111
 112    UNLOCK_HARDWARE(intel);
 113 }
 114
 115
 116
 117
 118
 119 void
 120 intelTexSubImage3D(GLcontext * ctx,
 121                    GLenum target,
 122                    GLint level,
 123                    GLint xoffset, GLint yoffset, GLint zoffset,
 124                    GLsizei width, GLsizei height, GLsizei depth,
 125                    GLenum format, GLenum type,
 126                    const GLvoid * pixels,
 127                    const struct gl_pixelstore_attrib *packing,
 128                    struct gl_texture_object *texObj,
 129                    struct gl_texture_image *texImage)
 130 {
 131
 132    intelTexSubimage(ctx, 3,
 133                     target, level,
 134                     xoffset, yoffset, zoffset,
 135                     width, height, depth,
 136                     format, type, pixels, packing, texObj, texImage);
 137
 138 }
 139
 140
 141
 142 void
 143 intelTexSubImage2D(GLcontext * ctx,
 144                    GLenum target,
 145                    GLint level,
 146                    GLint xoffset, GLint yoffset,
 147                    GLsizei width, GLsizei height,
 148                    GLenum format, GLenum type,
 149                    const GLvoid * pixels,
 150                    const struct gl_pixelstore_attrib *packing,
 151                    struct gl_texture_object *texObj,
 152                    struct gl_texture_image *texImage)
 153 {
 154
 155    intelTexSubimage(ctx, 2,
 156                     target, level,
 157                     xoffset, yoffset, 0,
 158                     width, height, 1,
 159                     format, type, pixels, packing, texObj, texImage);
 160
 161 }
 162
 163
 164 void
 165 intelTexSubImage1D(GLcontext * ctx,
 166                    GLenum target,
 167                    GLint level,
 168                    GLint xoffset,
 169                    GLsizei width,
 170                    GLenum format, GLenum type,
 171                    const GLvoid * pixels,
 172                    const struct gl_pixelstore_attrib *packing,
 173                    struct gl_texture_object *texObj,
 174                    struct gl_texture_image *texImage)
 175 {
 176    intelTexSubimage(ctx, 1,
 177                     target, level,
 178                     xoffset, 0, 0,
 179                     width, 1, 1,
 180                     format, type, pixels, packing, texObj, texImage);
 181
 182 }