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graphics: support depth targets with read-only backing

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This commit is contained in:
nmzik
2026-08-20 07:56:30 +02:00
parent fbdc1e8714
commit 6f9ed6ffe5
3 changed files with 28 additions and 3 deletions
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src/graphics/host_gpu/renderer/debug.cpp
+3 -2
View File
@@ -561,9 +561,10 @@ static void ZCheck(const HW::DepthRenderTarget& z, const HW::DepthControl& dc,
z.depth_view.stencil_write_disable ? "true" : "false");
}
}
EXIT_NOT_IMPLEMENTED(z.z_read_base_addr != z.z_write_base_addr);
EXIT_NOT_IMPLEMENTED(!z.depth_view.depth_write_disable &&
z.z_read_base_addr != z.z_write_base_addr);
EXIT_NOT_IMPLEMENTED(z.stencil_read_base_addr != z.stencil_write_base_addr);
EXIT_NOT_IMPLEMENTED(z.z_write_base_addr == 0);
EXIT_NOT_IMPLEMENTED(!z.depth_view.depth_write_disable && z.z_write_base_addr == 0);
if (z.stencil_info.format != Prospero::StencilFormat::kInvalid &&
z.stencil_write_base_addr == 0) {
LOGF("\t warning: stencil format is set without a stencil base address, continuing "
src/graphics/host_gpu/renderer/depthRenderTarget.cpp
+2 -1
View File
@@ -177,7 +177,8 @@ void RenderExecutor::ResolveRenderDepthTarget(uint64_t submit_id, RenderCommandB
z.htile_surface.htile_uses_preload_win != 0 || z.htile_surface.preload != 0 ||
z.htile_surface.prefetch_width != 0 || 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 != z.z_read_base_addr || (z.z_read_base_addr & 0xffffu) != 0 ||
(!z.depth_view.depth_write_disable && z.z_write_base_addr != z.z_read_base_addr) ||
(z.z_read_base_addr & 0xffffu) != 0 ||
dc.zfunc > static_cast<uint8_t>(vk::CompareOp::eAlways)) {
DepthFatal("unsupported depth register state");
}