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GraphicsSystem: Properly support register file reads/writes, and fill in some unknown registers

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This commit is contained in:
Dr. Chat
2017-06-11 13:00:31 -05:00
parent 6ab4bac542
commit 9dc740dcc0
2 changed files with 43 additions and 30 deletions
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61
src/xenia/gpu/graphics_system.cc
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@@ -49,23 +49,27 @@ X_STATUS GraphicsSystem::Setup(cpu::Processor* processor,
// Initialize display and rendering context.
// This must happen on the UI thread.
std::unique_ptr<xe::ui::GraphicsContext> processor_context;
target_window_->loop()->PostSynchronous([&]() {
// Create the context used for presentation.
assert_null(target_window->context());
target_window_->set_context(provider_->CreateContext(target_window_));
std::unique_ptr<xe::ui::GraphicsContext> processor_context = nullptr;
if (provider_) {
target_window_->loop()->PostSynchronous([&]() {
// Create the context used for presentation.
assert_null(target_window->context());
target_window_->set_context(provider_->CreateContext(target_window_));
// Setup the GL context the command processor will do all its drawing in.
// It's shared with the display context so that we can resolve framebuffers
// from it.
processor_context = provider()->CreateOffscreenContext();
});
if (!processor_context) {
xe::FatalError(
"Unable to initialize GL context. Xenia requires OpenGL 4.5. Ensure "
"you have the latest drivers for your GPU and that it supports OpenGL "
"4.5. See http://xenia.jp/faq/ for more information.");
return X_STATUS_UNSUCCESSFUL;
// Setup the GL context the command processor will do all its drawing in.
// It's shared with the display context so that we can resolve
// framebuffers
// from it.
processor_context = provider()->CreateOffscreenContext();
});
if (!processor_context) {
xe::FatalError(
"Unable to initialize GL context. Xenia requires OpenGL 4.5. Ensure "
"you have the latest drivers for your GPU and that it supports "
"OpenGL "
"4.5. See http://xenia.jp/faq/ for more information.");
return X_STATUS_UNSUCCESSFUL;
}
}
// Create command processor. This will spin up a thread to process all
@@ -148,18 +152,24 @@ uint32_t GraphicsSystem::ReadRegister(uint32_t addr) {
switch (r) {
case 0x3C00: // ?
return 0x08100748;
case 0x3C04: // ?
case 0x3C04: // RB_BC_CONTROL
return 0x0000200E;
case 0x6530: // Scanline?
case 0x6530: // R500_D1MODE_V_COUNTER(?) / scanline(?)
return 0x000002D0;
case 0x6544: // ? vblank pending?
return 1;
case 0x6584: // Screen res - 1280x720
case 0x6584: // AVIVO_D1MODE_VIEWPORT_SIZE
// Screen res - 1280x720
// [width(0x0FFF), height(0x0FFF)]
return 0x050002D0;
default:
if (!register_file_.GetRegisterInfo(r)) {
XELOGE("GPU: Read from unknown register (%.4X)", r);
}
}
assert_true(r < RegisterFile::kRegisterCount);
return register_file_.values[r].u32;
assert_true((r / 4) < RegisterFile::kRegisterCount);
return register_file_.values[r / 4].u32;
}
void GraphicsSystem::WriteRegister(uint32_t addr, uint32_t value) {
@@ -169,16 +179,15 @@ void GraphicsSystem::WriteRegister(uint32_t addr, uint32_t value) {
case 0x0714: // CP_RB_WPTR
command_processor_->UpdateWritePointer(value);
break;
case 0x6110: // ? swap related?
XELOGW("Unimplemented GPU register %.4X write: %.8X", r, value);
return;
case 0x6110: // AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS
break;
default:
XELOGW("Unknown GPU register %.4X write: %.8X", r, value);
break;
}
assert_true(r < RegisterFile::kRegisterCount);
register_file_.values[r].u32 = value;
assert_true((r / 4) < RegisterFile::kRegisterCount);
register_file_.values[r / 4].u32 = value;
}
void GraphicsSystem::InitializeRingBuffer(uint32_t ptr, uint32_t log2_size) {