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preserve DB_DEPTH_SIZE_XY and add tiled readback

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nmzik
2026-07-17 21:56:09 +02:00
parent 42d42e3258
commit f136c46519
7 changed files with 88 additions and 5 deletions
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src/graphics/host_gpu/renderer/depthRenderTarget.cpp
+5 -2
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@@ -126,7 +126,10 @@ void ResolveRenderDepthTarget(uint64_t submit_id, CommandBuffer* buffer, const H
z.htile_surface.prefetch_height == 0 && z.htile_surface.dst_outside_zero_to_one == 0 &&
z.z_read_base_addr == 0 && z.z_write_base_addr == 0 && z.stencil_read_base_addr == 0 &&
z.stencil_write_base_addr == 0 && z.htile_data_base_addr == 0 &&
!z.z_info.tile_surface_enable && !z.size.valid && !z.width_height_valid &&
// DB_DEPTH_SIZE_XY is independent state and may remain programmed after the attachment
// formats and addresses are unbound. A zero encoding is the valid 1x1 value, so its
// presence alone must not manufacture a depth attachment.
!z.z_info.tile_surface_enable && !z.width_height_valid &&
!z.pitch_height_valid && z.size.x_max == 0 && z.size.y_max == 0 &&
z.pitch_div8_minus1 == 0 && z.height_div8_minus1 == 0 && z.slice_div64_minus1 == 0 &&
z.width == 0 && z.height == 0;
@@ -215,7 +218,7 @@ void ResolveRenderDepthTarget(uint64_t submit_id, CommandBuffer* buffer, const H
} else if (z.htile_data_base_addr != 0) {
DepthFatal("HTile address without an enabled tile surface");
}
const bool size_xy_valid = z.size.valid && (z.size.x_max != 0 || z.size.y_max != 0);
const bool size_xy_valid = z.size.valid;
const bool wh_valid = z.width_height_valid && z.width != 0 && z.height != 0;
if (!size_xy_valid && !wh_valid) {
DepthFatal("missing depth extent");