src/mesa/drivers/dri/r600/r600_texcopy.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 "r600_context.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 #include "r600_blit.h"
  38 #include <main/debug.h>
  39
  40 // TODO:
  41 // need to pass correct pitch for small dst textures!
  42 static GLboolean
  43 do_copy_texsubimage(GLcontext *ctx,
  44                     GLenum target, GLint level,
  45                     struct radeon_tex_obj *tobj,
  46                     radeon_texture_image *timg,
  47                     GLint dstx, GLint dsty,
  48                     GLint x, GLint y,
  49                     GLsizei width, GLsizei height)
  50 {
  51     context_t *context = R700_CONTEXT(ctx);
  52     struct radeon_renderbuffer *rrb;
  53
  54     if (_mesa_get_format_bits(timg->base.TexFormat, GL_DEPTH_BITS) > 0) {
  55         rrb = radeon_get_depthbuffer(&context->radeon);
  56     } else {
  57         rrb = radeon_get_colorbuffer(&context->radeon);
  58     }
  59
  60     if (!timg->mt) {
  61         radeon_validate_texture_miptree(ctx, &tobj->base);
  62     }
  63
  64     assert(rrb && rrb->bo);
  65     assert(timg->mt->bo);
  66     assert(timg->base.Width >= dstx + width);
  67     assert(timg->base.Height >= dsty + height);
  68
  69     intptr_t src_offset = rrb->draw_offset;
  70     intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, _mesa_tex_target_to_face(target), level);
  71
  72     if (0) {
  73         fprintf(stderr, "%s: copying to face %d, level %d\n",
  74                 __FUNCTION__, _mesa_tex_target_to_face(target), level);
  75         fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset);
  76         fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n",
  77                 x, y, rrb->base.Width, rrb->base.Height, (uint32_t) src_offset, rrb->pitch/rrb->cpp);
  78         fprintf(stderr, "src size %d, dst size %d\n", rrb->bo->size, timg->mt->bo->size);
  79
  80     }
  81
  82
  83     /* blit from src buffer to texture */
  84     return r600_blit(ctx, rrb->bo, src_offset, rrb->base.Format, rrb->pitch,
  85                      rrb->base.Width, rrb->base.Height, x, y,
  86                      timg->mt->bo, dst_offset, timg->base.TexFormat,
  87                      timg->mt->levels[level].rowstride, timg->base.Width, timg->base.Height,
  88                      dstx, dsty, width, height, 1);
  89 }
  90
  91 static void
  92 r600CopyTexImage2D(GLcontext *ctx, GLenum target, GLint level,
  93                    GLenum internalFormat,
  94                    GLint x, GLint y, GLsizei width, GLsizei height,
  95                    GLint border)
  96 {
  97     struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
  98     struct gl_texture_object *texObj =
  99         _mesa_select_tex_object(ctx, texUnit, target);
 100     struct gl_texture_image *texImage =
 101         _mesa_select_tex_image(ctx, texObj, target, level);
 102     int srcx, srcy, dstx, dsty;
 103
 104     if (border)
 105         goto fail;
 106
 107     /* Setup or redefine the texture object, mipmap tree and texture
 108      * image.  Don't populate yet.
 109      */
 110     ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
 111                            width, height, border,
 112                            GL_RGBA, GL_UNSIGNED_BYTE, NULL,
 113                            &ctx->DefaultPacking, texObj, texImage);
 114
 115     srcx = x;
 116     srcy = y;
 117     dstx = 0;
 118     dsty = 0;
 119     if (!_mesa_clip_copytexsubimage(ctx,
 120                                     &dstx, &dsty,
 121                                     &srcx, &srcy,
 122                                     &width, &height)) {
 123         return;
 124     }
 125
 126     if (!do_copy_texsubimage(ctx, target, level,
 127                              radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
 128                              0, 0, x, y, width, height)) {
 129         goto fail;
 130     }
 131
 132     return;
 133
 134 fail:
 135     _mesa_meta_CopyTexImage2D(ctx, target, level, internalFormat, x, y,
 136                               width, height, border);
 137 }
 138
 139 static void
 140 r600CopyTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
 141                       GLint xoffset, GLint yoffset,
 142                       GLint x, GLint y,
 143                       GLsizei width, GLsizei height)
 144 {
 145     struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
 146     struct gl_texture_object *texObj = _mesa_select_tex_object(ctx, texUnit, target);
 147     struct gl_texture_image *texImage = _mesa_select_tex_image(ctx, texObj, target, level);
 148
 149     if (!do_copy_texsubimage(ctx, target, level,
 150                              radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
 151                              xoffset, yoffset, x, y, width, height)) {
 152
 153        //DEBUG_FALLBACKS
 154
 155         _mesa_meta_CopyTexSubImage2D(ctx, target, level,
 156                                      xoffset, yoffset, x, y, width, height);
 157     }
 158 }
 159
 160
 161 void r600_init_texcopy_functions(struct dd_function_table *table)
 162 {
 163     table->CopyTexImage2D = r600CopyTexImage2D;
 164     table->CopyTexSubImage2D = r600CopyTexSubImage2D;
 165 }