src/mesa/drivers/dri/intel/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 "main/mtypes.h"
  30 #include "main/pbo.h"
  31 #include "main/texobj.h"
  32 #include "main/texstore.h"
  33 #include "main/texcompress.h"
  34 #include "main/enums.h"
  35
  36 #include "intel_context.h"
  37 #include "intel_tex.h"
  38 #include "intel_mipmap_tree.h"
  39 #include "intel_blit.h"
  40
  41 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
  42
  43 static void
  44 intelTexSubimage(struct gl_context * ctx,
  45                  GLint dims,
  46                  GLenum target, GLint level,
  47                  GLint xoffset, GLint yoffset, GLint zoffset,
  48                  GLint width, GLint height, GLint depth,
  49                  GLsizei imageSize,
  50                  GLenum format, GLenum type, const void *pixels,
  51                  const struct gl_pixelstore_attrib *packing,
  52                  struct gl_texture_object *texObj,
  53                  struct gl_texture_image *texImage,
  54                  GLboolean compressed)
  55 {
  56    struct intel_context *intel = intel_context(ctx);
  57    struct intel_texture_image *intelImage = intel_texture_image(texImage);
  58    GLuint dstRowStride = 0;
  59    drm_intel_bo *temp_bo = NULL, *dst_bo = NULL;
  60    unsigned int blit_x = 0, blit_y = 0;
  61
  62    DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
  63        _mesa_lookup_enum_by_nr(target),
  64        level, xoffset, yoffset, width, height);
  65
  66    intel_flush(ctx);
  67
  68    if (compressed)
  69       pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize,
  70                                                       pixels, packing,
  71                                                       "glCompressedTexImage");
  72    else
  73       pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
  74                                            format, type, pixels, packing,
  75                                            "glTexSubImage");
  76    if (!pixels)
  77       return;
  78
  79    intel_prepare_render(intel);
  80
  81    /* Map buffer if necessary.  Need to lock to prevent other contexts
  82     * from uploading the buffer under us.
  83     */
  84    if (intelImage->mt) {
  85       dst_bo = intel_region_buffer(intel, intelImage->mt->region,
  86                                    INTEL_WRITE_PART);
  87
  88       if (!compressed &&
  89           intelImage->mt->region->tiling != I915_TILING_Y &&
  90           intel->gen < 6 && target == GL_TEXTURE_2D &&
  91           drm_intel_bo_busy(dst_bo))
  92       {
  93          unsigned long pitch;
  94          uint32_t tiling_mode = I915_TILING_NONE;
  95          temp_bo = drm_intel_bo_alloc_tiled(intel->bufmgr,
  96                                             "subimage blit bo",
  97                                             width, height,
  98                                             intelImage->mt->cpp,
  99                                             &tiling_mode,
 100                                             &pitch,
 101                                             0);
 102          drm_intel_gem_bo_map_gtt(temp_bo);
 103          texImage->Data = temp_bo->virtual;
 104          texImage->ImageOffsets[0] = 0;
 105          dstRowStride = pitch;
 106
 107          intel_miptree_get_image_offset(intelImage->mt, level,
 108                                         intelImage->face, 0,
 109                                         &blit_x, &blit_y);
 110          blit_x += xoffset;
 111          blit_y += yoffset;
 112          xoffset = 0;
 113          yoffset = 0;
 114       } else {
 115          texImage->Data = intel_miptree_image_map(intel,
 116                                                   intelImage->mt,
 117                                                   intelImage->face,
 118                                                   intelImage->level,
 119                                                   &dstRowStride,
 120                                                   texImage->ImageOffsets);
 121       }
 122    } else {
 123       if (_mesa_is_format_compressed(texImage->TexFormat)) {
 124          dstRowStride =
 125             _mesa_format_row_stride(texImage->TexFormat, width);
 126          assert(dims != 3);
 127       }
 128       else {
 129          dstRowStride = texImage->RowStride * _mesa_get_format_bytes(texImage->TexFormat);
 130       }
 131    }
 132
 133    assert(dstRowStride);
 134
 135    if (compressed) {
 136       if (intelImage->mt) {
 137          struct intel_region *dst = intelImage->mt->region;
 138
 139          _mesa_copy_rect(texImage->Data, dst->cpp, dst->pitch,
 140                          xoffset, yoffset / 4,
 141                          (width + 3)  & ~3, (height + 3) / 4,
 142                          pixels, (width + 3) & ~3, 0, 0);
 143       }
 144       else {
 145         memcpy(texImage->Data, pixels, imageSize);
 146       }
 147    }
 148    else {
 149       if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
 150                           texImage->TexFormat,
 151                           texImage->Data,
 152                           xoffset, yoffset, zoffset,
 153                           dstRowStride,
 154                           texImage->ImageOffsets,
 155                           width, height, depth,
 156                           format, type, pixels, packing)) {
 157          _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
 158       }
 159
 160       if (temp_bo) {
 161          GLboolean ret;
 162          unsigned int dst_pitch = intelImage->mt->region->pitch *
 163             intelImage->mt->cpp;
 164
 165          drm_intel_gem_bo_unmap_gtt(temp_bo);
 166          texImage->Data = NULL;
 167
 168          ret = intelEmitCopyBlit(intel,
 169                                  intelImage->mt->cpp,
 170                                  dstRowStride / intelImage->mt->cpp,
 171                                  temp_bo, 0, GL_FALSE,
 172                                  dst_pitch / intelImage->mt->cpp, dst_bo, 0,
 173                                  intelImage->mt->region->tiling,
 174                                  0, 0, blit_x, blit_y, width, height,
 175                                  GL_COPY);
 176          assert(ret);
 177       }
 178    }
 179
 180    _mesa_unmap_teximage_pbo(ctx, packing);
 181
 182    if (temp_bo) {
 183       drm_intel_bo_unreference(temp_bo);
 184       temp_bo = NULL;
 185    } else if (intelImage->mt) {
 186       intel_miptree_image_unmap(intel, intelImage->mt);
 187       texImage->Data = NULL;
 188    }
 189 }
 190
 191
 192 static void
 193 intelTexSubImage3D(struct gl_context * ctx,
 194                    GLenum target,
 195                    GLint level,
 196                    GLint xoffset, GLint yoffset, GLint zoffset,
 197                    GLsizei width, GLsizei height, GLsizei depth,
 198                    GLenum format, GLenum type,
 199                    const GLvoid * pixels,
 200                    const struct gl_pixelstore_attrib *packing,
 201                    struct gl_texture_object *texObj,
 202                    struct gl_texture_image *texImage)
 203 {
 204    intelTexSubimage(ctx, 3,
 205                     target, level,
 206                     xoffset, yoffset, zoffset,
 207                     width, height, depth, 0,
 208                     format, type, pixels, packing, texObj, texImage, GL_FALSE);
 209 }
 210
 211
 212 static void
 213 intelTexSubImage2D(struct gl_context * ctx,
 214                    GLenum target,
 215                    GLint level,
 216                    GLint xoffset, GLint yoffset,
 217                    GLsizei width, GLsizei height,
 218                    GLenum format, GLenum type,
 219                    const GLvoid * pixels,
 220                    const struct gl_pixelstore_attrib *packing,
 221                    struct gl_texture_object *texObj,
 222                    struct gl_texture_image *texImage)
 223 {
 224    intelTexSubimage(ctx, 2,
 225                     target, level,
 226                     xoffset, yoffset, 0,
 227                     width, height, 1, 0,
 228                     format, type, pixels, packing, texObj, texImage, GL_FALSE);
 229 }
 230
 231
 232 static void
 233 intelTexSubImage1D(struct gl_context * ctx,
 234                    GLenum target,
 235                    GLint level,
 236                    GLint xoffset,
 237                    GLsizei width,
 238                    GLenum format, GLenum type,
 239                    const GLvoid * pixels,
 240                    const struct gl_pixelstore_attrib *packing,
 241                    struct gl_texture_object *texObj,
 242                    struct gl_texture_image *texImage)
 243 {
 244    intelTexSubimage(ctx, 1,
 245                     target, level,
 246                     xoffset, 0, 0,
 247                     width, 1, 1, 0,
 248                     format, type, pixels, packing, texObj, texImage, GL_FALSE);
 249 }
 250
 251 static void
 252 intelCompressedTexSubImage2D(struct gl_context * ctx,
 253                              GLenum target,
 254                              GLint level,
 255                              GLint xoffset, GLint yoffset,
 256                              GLsizei width, GLsizei height,
 257                              GLenum format, GLsizei imageSize,
 258                              const GLvoid * pixels,
 259                              struct gl_texture_object *texObj,
 260                              struct gl_texture_image *texImage)
 261 {
 262    intelTexSubimage(ctx, 2,
 263                     target, level,
 264                     xoffset, yoffset, 0,
 265                     width, height, 1, imageSize,
 266                     format, 0, pixels, &ctx->Unpack, texObj, texImage, GL_TRUE);
 267 }
 268
 269
 270
 271 void
 272 intelInitTextureSubImageFuncs(struct dd_function_table *functions)
 273 {
 274    functions->TexSubImage1D = intelTexSubImage1D;
 275    functions->TexSubImage2D = intelTexSubImage2D;
 276    functions->TexSubImage3D = intelTexSubImage3D;
 277    functions->CompressedTexSubImage2D = intelCompressedTexSubImage2D;
 278 }