src/mesa/drivers/dri/radeon/radeon_tex_copy.c

   1 /*
   2  * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com>
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sublicense, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  */
  27
  28 #include "radeon_common.h"
  29 #include "radeon_texture.h"
  30
  31 #include "main/image.h"
  32 #include "main/teximage.h"
  33 #include "main/texstate.h"
  34 #include "drivers/common/meta.h"
  35
  36 #include "radeon_mipmap_tree.h"
  37
  38 static GLboolean
  39 do_copy_texsubimage(GLcontext *ctx,
  40                     GLenum target, GLint level,
  41                     struct radeon_tex_obj *tobj,
  42                     radeon_texture_image *timg,
  43                     GLint dstx, GLint dsty,
  44                     GLint x, GLint y,
  45                     GLsizei width, GLsizei height)
  46 {
  47     radeonContextPtr radeon = RADEON_CONTEXT(ctx);
  48     struct radeon_renderbuffer *rrb;
  49     unsigned src_bpp;
  50     unsigned dst_bpp;
  51     gl_format src_mesaformat;
  52     gl_format dst_mesaformat;
  53     unsigned src_width;
  54     unsigned dst_width;
  55
  56     if (!radeon->vtbl.blit) {
  57         return GL_FALSE;
  58     }
  59
  60     if (_mesa_get_format_bits(timg->base.TexFormat, GL_DEPTH_BITS) > 0) {
  61         rrb = radeon_get_depthbuffer(radeon);
  62     } else {
  63         rrb = radeon_get_colorbuffer(radeon);
  64     }
  65
  66     if (!timg->mt) {
  67         radeon_validate_texture_miptree(ctx, &tobj->base);
  68     }
  69
  70     assert(rrb && rrb->bo);
  71     assert(timg->mt);
  72     assert(timg->mt->bo);
  73     assert(timg->base.Width >= dstx + width);
  74     assert(timg->base.Height >= dsty + height);
  75
  76     intptr_t src_offset = rrb->draw_offset;
  77     intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, _mesa_tex_target_to_face(target), level);
  78
  79     if (0) {
  80         fprintf(stderr, "%s: copying to face %d, level %d\n",
  81                 __FUNCTION__, _mesa_tex_target_to_face(target), level);
  82         fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset);
  83         fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n",
  84                 x, y, rrb->base.Width, rrb->base.Height, (uint32_t) src_offset, rrb->pitch/rrb->cpp);
  85         fprintf(stderr, "src size %d, dst size %d\n", rrb->bo->size, timg->mt->bo->size);
  86
  87     }
  88
  89     src_mesaformat = rrb->base.Format;
  90     dst_mesaformat = timg->base.TexFormat;
  91     src_width = rrb->base.Width;
  92     dst_width = timg->base.Width;
  93     src_bpp = _mesa_get_format_bytes(src_mesaformat);
  94     dst_bpp = _mesa_get_format_bytes(dst_mesaformat);
  95     if (!radeon->vtbl.check_blit(dst_mesaformat)) {
  96             if (src_bpp != dst_bpp)
  97                     return GL_FALSE;
  98
  99             switch (dst_bpp) {
 100             case 2:
 101                     src_mesaformat = MESA_FORMAT_RGB565;
 102                     dst_mesaformat = MESA_FORMAT_RGB565;
 103                     break;
 104             case 4:
 105                     src_mesaformat = MESA_FORMAT_ARGB8888;
 106                     dst_mesaformat = MESA_FORMAT_ARGB8888;
 107                     break;
 108             case 1:
 109                     src_mesaformat = MESA_FORMAT_A8;
 110                     dst_mesaformat = MESA_FORMAT_A8;
 111                     break;
 112             default:
 113                     return GL_FALSE;
 114             }
 115     }
 116
 117     /* blit from src buffer to texture */
 118     return radeon->vtbl.blit(ctx, rrb->bo, src_offset, src_mesaformat, rrb->pitch/rrb->cpp,
 119                              src_width, rrb->base.Height, x, y,
 120                              timg->mt->bo, dst_offset, dst_mesaformat,
 121                              timg->mt->levels[level].rowstride / dst_bpp,
 122                              dst_width, timg->base.Height,
 123                              dstx, dsty, width, height, 1);
 124 }
 125
 126 void
 127 radeonCopyTexImage2D(GLcontext *ctx, GLenum target, GLint level,
 128                      GLenum internalFormat,
 129                      GLint x, GLint y, GLsizei width, GLsizei height,
 130                      GLint border)
 131 {
 132     struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
 133     struct gl_texture_object *texObj =
 134         _mesa_select_tex_object(ctx, texUnit, target);
 135     struct gl_texture_image *texImage =
 136         _mesa_select_tex_image(ctx, texObj, target, level);
 137     int srcx, srcy, dstx, dsty;
 138
 139     if (border)
 140         goto fail;
 141
 142     /* Setup or redefine the texture object, mipmap tree and texture
 143      * image.  Don't populate yet.
 144      */
 145     ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
 146                            width, height, border,
 147                            GL_RGBA, GL_UNSIGNED_BYTE, NULL,
 148                            &ctx->DefaultPacking, texObj, texImage);
 149
 150     srcx = x;
 151     srcy = y;
 152     dstx = 0;
 153     dsty = 0;
 154     if (!_mesa_clip_copytexsubimage(ctx,
 155                                     &dstx, &dsty,
 156                                     &srcx, &srcy,
 157                                     &width, &height)) {
 158         return;
 159     }
 160
 161     if (!do_copy_texsubimage(ctx, target, level,
 162                              radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
 163                              0, 0, x, y, width, height)) {
 164         goto fail;
 165     }
 166
 167     return;
 168
 169 fail:
 170     _mesa_meta_CopyTexImage2D(ctx, target, level, internalFormat, x, y,
 171                               width, height, border);
 172 }
 173
 174 void
 175 radeonCopyTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
 176                         GLint xoffset, GLint yoffset,
 177                         GLint x, GLint y,
 178                         GLsizei width, GLsizei height)
 179 {
 180     struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
 181     struct gl_texture_object *texObj = _mesa_select_tex_object(ctx, texUnit, target);
 182     struct gl_texture_image *texImage = _mesa_select_tex_image(ctx, texObj, target, level);
 183
 184     if (!do_copy_texsubimage(ctx, target, level,
 185                              radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
 186                              xoffset, yoffset, x, y, width, height)) {
 187
 188        //DEBUG_FALLBACKS
 189
 190         _mesa_meta_CopyTexSubImage2D(ctx, target, level,
 191                                      xoffset, yoffset, x, y, width, height);
 192     }
 193 }