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 dstImageStride;
  54    GLuint dstRowStride;
  55
  56    DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
  57        _mesa_lookup_enum_by_nr(target),
  58        level, xoffset, yoffset, width, height);
  59
  60    intelFlush(ctx);
  61
  62    pixels =
  63       _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
  64                                   type, pixels, packing, "glTexSubImage2D");
  65    if (!pixels)
  66       return;
  67
  68    if (intelImage->mt)
  69       intel_region_idle(intel->intelScreen, intelImage->mt->region);
  70
  71    LOCK_HARDWARE(intel);
  72
  73    /* Map buffer if necessary.  Need to lock to prevent other contexts
  74     * from uploading the buffer under us.
  75     */
  76    if (intelImage->mt)
  77       texImage->Data = intel_miptree_image_map(intel,
  78                                                intelImage->mt,
  79                                                intelImage->face,
  80                                                intelImage->level,
  81                                                &dstRowStride,
  82                                                &dstImageStride);
  83
  84    assert(dstRowStride);
  85
  86    if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
  87                                         texImage->TexFormat,
  88                                         texImage->Data,
  89                                         xoffset, yoffset, zoffset,
  90                                         dstRowStride,
  91                                         texImage->ImageOffsets,
  92                                         width, height, depth,
  93                                         format, type, pixels, packing)) {
  94       _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
  95    }
  96
  97 #if 0
  98    /* GL_SGIS_generate_mipmap */
  99    if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
 100       _mesa_generate_mipmap(ctx, target,
 101                             &ctx->Texture.Unit[ctx->Texture.CurrentUnit],
 102                             texObj);
 103    }
 104 #endif
 105
 106    _mesa_unmap_teximage_pbo(ctx, packing);
 107
 108    if (intelImage->mt) {
 109       intel_miptree_image_unmap(intel, intelImage->mt);
 110       texImage->Data = NULL;
 111    }
 112
 113    UNLOCK_HARDWARE(intel);
 114 }
 115
 116
 117
 118
 119
 120 void
 121 intelTexSubImage3D(GLcontext * ctx,
 122                    GLenum target,
 123                    GLint level,
 124                    GLint xoffset, GLint yoffset, GLint zoffset,
 125                    GLsizei width, GLsizei height, GLsizei depth,
 126                    GLenum format, GLenum type,
 127                    const GLvoid * pixels,
 128                    const struct gl_pixelstore_attrib *packing,
 129                    struct gl_texture_object *texObj,
 130                    struct gl_texture_image *texImage)
 131 {
 132
 133    intelTexSubimage(ctx, 3,
 134                     target, level,
 135                     xoffset, yoffset, zoffset,
 136                     width, height, depth,
 137                     format, type, pixels, packing, texObj, texImage);
 138
 139 }
 140
 141
 142
 143 void
 144 intelTexSubImage2D(GLcontext * ctx,
 145                    GLenum target,
 146                    GLint level,
 147                    GLint xoffset, GLint yoffset,
 148                    GLsizei width, GLsizei height,
 149                    GLenum format, GLenum type,
 150                    const GLvoid * pixels,
 151                    const struct gl_pixelstore_attrib *packing,
 152                    struct gl_texture_object *texObj,
 153                    struct gl_texture_image *texImage)
 154 {
 155
 156    intelTexSubimage(ctx, 2,
 157                     target, level,
 158                     xoffset, yoffset, 0,
 159                     width, height, 1,
 160                     format, type, pixels, packing, texObj, texImage);
 161
 162 }
 163
 164
 165 void
 166 intelTexSubImage1D(GLcontext * ctx,
 167                    GLenum target,
 168                    GLint level,
 169                    GLint xoffset,
 170                    GLsizei width,
 171                    GLenum format, GLenum type,
 172                    const GLvoid * pixels,
 173                    const struct gl_pixelstore_attrib *packing,
 174                    struct gl_texture_object *texObj,
 175                    struct gl_texture_image *texImage)
 176 {
 177    intelTexSubimage(ctx, 1,
 178                     target, level,
 179                     xoffset, 0, 0,
 180                     width, 1, 1,
 181                     format, type, pixels, packing, texObj, texImage);
 182
 183 }