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gpu: [compute] pre-transform images before rendering

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We're about to change the last stage of the compute pipeline to only
accept images, not sampled textures. This change prepares materials
for pixel-aligned image copying by pre-rendering images to a texture,
applying transforms.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-02-08 17:35:31 +01:00
parent 87ffaaf8c4
commit c9a8265126
13 changed files with 533 additions and 241 deletions
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gpu/shaders/coarse.comp
+13 -15
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@@ -203,7 +203,7 @@ void main() {
uint tile_count;
switch (tag) {
case Annotated_Fill:
case Annotated_FillTexture:
case Annotated_FillImage:
case Annotated_Stroke:
case Annotated_BeginClip:
case Annotated_EndClip:
@@ -327,27 +327,25 @@ void main() {
}
cmd_ref.offset += Cmd_size;
break;
case Annotated_FillTexture:
case Annotated_FillImage:
tile = Tile_read(read_tile_alloc(element_ref_ix), TileRef(sh_tile_base[element_ref_ix]
+ (sh_tile_stride[element_ref_ix] * tile_y + tile_x) * Tile_size));
AnnoFillTexture fill_tex = Annotated_FillTexture_read(conf.anno_alloc, ref);
AnnoFillImage fill_img = Annotated_FillImage_read(conf.anno_alloc, ref);
if (!alloc_cmd(cmd_alloc, cmd_ref, cmd_limit)) {
break;
}
if (tile.tile.offset != 0) {
CmdFillTexture cmd_fill_tex;
cmd_fill_tex.tile_ref = tile.tile.offset;
cmd_fill_tex.backdrop = tile.backdrop;
cmd_fill_tex.mat = fill_tex.mat;
cmd_fill_tex.translate = fill_tex.translate;
cmd_fill_tex.uv_bounds = fill_tex.uv_bounds;
Cmd_FillTexture_write(cmd_alloc, cmd_ref, cmd_fill_tex);
CmdFillImage cmd_fill_img;
cmd_fill_img.tile_ref = tile.tile.offset;
cmd_fill_img.backdrop = tile.backdrop;
cmd_fill_img.index = fill_img.index;
cmd_fill_img.offset = fill_img.offset;
Cmd_FillImage_write(cmd_alloc, cmd_ref, cmd_fill_img);
} else {
CmdSolidTexture cmd_solid_tex;
cmd_solid_tex.mat = fill_tex.mat;
cmd_solid_tex.translate = fill_tex.translate;
cmd_solid_tex.uv_bounds = fill_tex.uv_bounds;
Cmd_SolidTexture_write(cmd_alloc, cmd_ref, cmd_solid_tex);
CmdSolidImage cmd_solid_img;
cmd_solid_img.index = fill_img.index;
cmd_solid_img.offset = fill_img.offset;
Cmd_SolidImage_write(cmd_alloc, cmd_ref, cmd_solid_img);
}
cmd_ref.offset += Cmd_size;
break;