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remove readback hacks, allows to read/write guest memory directly

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This commit is contained in:
nmzik
2026-07-17 05:16:00 +02:00
parent 013e9a4485
commit e903c93848
27 changed files with 522 additions and 1228 deletions
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src/graphics/shader/shaderVertexMetadata.cpp
+6 -12
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@@ -1,7 +1,5 @@
#include "graphics/shader/shaderVertexMetadata.h"
#include "graphics/host_gpu/hostMemory.h"
#include <array>
#include <cstring>
@@ -16,10 +14,6 @@ bool Fail(std::string* error, const char* message) {
return false;
}
bool Readable(const void* data, uint64_t size) {
return data != nullptr && HostMemoryRangeIsReadable(reinterpret_cast<uint64_t>(data), size);
}
} // namespace
bool ShaderReadVertexMetadata(const ShaderMappedData& data, uint32_t max_user_sgprs,
@@ -27,8 +21,8 @@ bool ShaderReadVertexMetadata(const ShaderMappedData& data, uint32_t max_user_sg
if (metadata == nullptr) {
return Fail(error, "missing vertex metadata output");
}
if (!Readable(data.user_data, sizeof(ShaderUserData))) {
return Fail(error, "unreadable AGC user-data header");
if (data.user_data == nullptr) {
return Fail(error, "missing AGC user-data header");
}
ShaderUserData user_data {};
@@ -44,8 +38,8 @@ bool ShaderReadVertexMetadata(const ShaderMappedData& data, uint32_t max_user_sg
const auto direct_size =
static_cast<uint64_t>(user_data.direct_resource_count) * sizeof(uint16_t);
if (direct_size != 0) {
if (!Readable(user_data.direct_resource_offset, direct_size)) {
return Fail(error, "unreadable AGC direct-resource offsets");
if (user_data.direct_resource_offset == nullptr) {
return Fail(error, "missing AGC direct-resource offsets");
}
std::memcpy(direct_offsets.data(), user_data.direct_resource_offset, direct_size);
}
@@ -84,8 +78,8 @@ bool ShaderReadVertexMetadata(const ShaderMappedData& data, uint32_t max_user_sg
const auto semantic_size =
static_cast<uint64_t>(data.num_input_semantics) * sizeof(ShaderSemantic);
if (!Readable(data.input_semantics, semantic_size)) {
return Fail(error, "unreadable vertex input semantics");
if (data.input_semantics == nullptr) {
return Fail(error, "missing vertex input semantics");
}
std::memcpy(next.input_semantics.data(), data.input_semantics, semantic_size);
next.input_semantics_count = data.num_input_semantics;