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GPU: Fix incorrectly calculating the primary ringbuffer's size

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This commit is contained in:
Dr. Chat
2016-06-16 21:30:06 -05:00
parent 5feebbf41a
commit 27c16b1936
4 changed files with 17 additions and 15 deletions
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11
src/xenia/gpu/command_processor.cc
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@@ -129,7 +129,7 @@ void CommandProcessor::WorkerThreadMain() {
uint32_t write_ptr_index = write_ptr_index_.load();
if (write_ptr_index == 0xBAADF00D || read_ptr_index_ == write_ptr_index) {
SCOPE_profile_cpu_i("gpu", "xe::gpu::gl4::CommandProcessor::Stall");
SCOPE_profile_cpu_i("gpu", "xe::gpu::CommandProcessor::Stall");
// We've run out of commands to execute.
// We spin here waiting for new ones, as the overhead of waiting on our
// event is too high.
@@ -223,12 +223,9 @@ bool CommandProcessor::SetupContext() { return true; }
void CommandProcessor::ShutdownContext() { context_.reset(); }
void CommandProcessor::InitializeRingBuffer(uint32_t ptr, uint32_t page_count) {
void CommandProcessor::InitializeRingBuffer(uint32_t ptr, uint32_t log2_size) {
primary_buffer_ptr_ = ptr;
// Not sure this is correct, but it's a way to take the page_count back to
// the number of bytes allocated by the physical alloc.
uint32_t original_size = 1 << (0x1C - page_count - 1);
primary_buffer_size_ = original_size;
primary_buffer_size_ = uint32_t(std::pow(2u, log2_size));
}
void CommandProcessor::EnableReadPointerWriteBack(uint32_t ptr,
@@ -1280,6 +1277,8 @@ bool CommandProcessor::ExecutePacketType3_VIZ_QUERY(RingBuffer* reader,
// Some sort of ID?
// This appears to reset a viz query context.
// This ID matches the ID in conditional draw commands.
// Patent says the driver sets the viz_query register with info about the
// context ID.
uint32_t dword0 = reader->Read<uint32_t>(true);
return true;