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-rw-r--r--src/video_core/engines/maxwell_3d.cpp257
1 files changed, 106 insertions, 151 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 89a9d1f5a..b41aa6fc1 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -117,10 +117,15 @@ void Maxwell3D::InitializeRegisterDefaults() {
shadow_state = regs;
- mme_inline[MAXWELL3D_REG_INDEX(draw.end)] = true;
- mme_inline[MAXWELL3D_REG_INDEX(draw.begin)] = true;
- mme_inline[MAXWELL3D_REG_INDEX(vertex_buffer.count)] = true;
- mme_inline[MAXWELL3D_REG_INDEX(index_buffer.count)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(draw.end)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(draw.begin)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(vertex_buffer.first)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(vertex_buffer.count)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(index_buffer.first)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(index_buffer.count)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(index_buffer32_first)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(index_buffer16_first)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(index_buffer8_first)] = true;
}
void Maxwell3D::ProcessMacro(u32 method, const u32* base_start, u32 amount, bool is_last_call) {
@@ -208,25 +213,6 @@ void Maxwell3D::ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argume
return ProcessCBBind(3);
case MAXWELL3D_REG_INDEX(bind_groups[4].raw_config):
return ProcessCBBind(4);
- case MAXWELL3D_REG_INDEX(draw.end):
- return DrawArrays();
- case MAXWELL3D_REG_INDEX(index_buffer32_first):
- regs.index_buffer.count = regs.index_buffer32_first.count;
- regs.index_buffer.first = regs.index_buffer32_first.first;
- dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
- return DrawArrays();
- case MAXWELL3D_REG_INDEX(index_buffer16_first):
- regs.index_buffer.count = regs.index_buffer16_first.count;
- regs.index_buffer.first = regs.index_buffer16_first.first;
- dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
- return DrawArrays();
- case MAXWELL3D_REG_INDEX(index_buffer8_first):
- regs.index_buffer.count = regs.index_buffer8_first.count;
- regs.index_buffer.first = regs.index_buffer8_first.first;
- dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
- // a macro calls this one over and over, should it increase instancing?
- // Used by Hades and likely other Vulkan games.
- return DrawArrays();
case MAXWELL3D_REG_INDEX(topology_override):
use_topology_override = true;
return;
@@ -261,14 +247,13 @@ void Maxwell3D::CallMacroMethod(u32 method, const std::vector<u32>& parameters)
// Execute the current macro.
macro_engine->Execute(macro_positions[entry], parameters);
- if (mme_draw.current_mode != MMEDrawMode::Undefined) {
- FlushMMEInlineDraw();
- }
+
+ ProcessDeferredDraw();
}
void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
- // It is an error to write to a register other than the current macro's ARG register before it
- // has finished execution.
+ // It is an error to write to a register other than the current macro's ARG register before
+ // it has finished execution.
if (executing_macro != 0) {
ASSERT(method == executing_macro + 1);
}
@@ -283,9 +268,16 @@ void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
ASSERT_MSG(method < Regs::NUM_REGS,
"Invalid Maxwell3D register, increase the size of the Regs structure");
- const u32 argument = ProcessShadowRam(method, method_argument);
- ProcessDirtyRegisters(method, argument);
- ProcessMethodCall(method, argument, method_argument, is_last_call);
+ if (draw_command[method]) {
+ regs.reg_array[method] = method_argument;
+ deferred_draw_method.push_back(method);
+ } else {
+ ProcessDeferredDraw();
+
+ const u32 argument = ProcessShadowRam(method, method_argument);
+ ProcessDirtyRegisters(method, argument);
+ ProcessMethodCall(method, argument, method_argument, is_last_call);
+ }
}
void Maxwell3D::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
@@ -326,55 +318,6 @@ void Maxwell3D::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
}
}
-void Maxwell3D::StepInstance(const MMEDrawMode expected_mode, const u32 count) {
- if (mme_draw.current_mode == MMEDrawMode::Undefined) {
- if (mme_draw.gl_begin_consume) {
- mme_draw.current_mode = expected_mode;
- mme_draw.current_count = count;
- mme_draw.instance_count = 1;
- mme_draw.gl_begin_consume = false;
- mme_draw.gl_end_count = 0;
- }
- return;
- } else {
- if (mme_draw.current_mode == expected_mode && count == mme_draw.current_count &&
- mme_draw.instance_mode && mme_draw.gl_begin_consume) {
- mme_draw.instance_count++;
- mme_draw.gl_begin_consume = false;
- return;
- } else {
- FlushMMEInlineDraw();
- }
- }
- // Tail call in case it needs to retry.
- StepInstance(expected_mode, count);
-}
-
-void Maxwell3D::CallMethodFromMME(u32 method, u32 method_argument) {
- if (mme_inline[method]) {
- regs.reg_array[method] = method_argument;
- if (method == MAXWELL3D_REG_INDEX(vertex_buffer.count) ||
- method == MAXWELL3D_REG_INDEX(index_buffer.count)) {
- const MMEDrawMode expected_mode = method == MAXWELL3D_REG_INDEX(vertex_buffer.count)
- ? MMEDrawMode::Array
- : MMEDrawMode::Indexed;
- StepInstance(expected_mode, method_argument);
- } else if (method == MAXWELL3D_REG_INDEX(draw.begin)) {
- mme_draw.instance_mode =
- (regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent) ||
- (regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Unchanged);
- mme_draw.gl_begin_consume = true;
- } else {
- mme_draw.gl_end_count++;
- }
- } else {
- if (mme_draw.current_mode != MMEDrawMode::Undefined) {
- FlushMMEInlineDraw();
- }
- CallMethod(method, method_argument, true);
- }
-}
-
void Maxwell3D::ProcessTopologyOverride() {
using PrimitiveTopology = Maxwell3D::Regs::PrimitiveTopology;
using PrimitiveTopologyOverride = Maxwell3D::Regs::PrimitiveTopologyOverride;
@@ -404,41 +347,6 @@ void Maxwell3D::ProcessTopologyOverride() {
}
}
-void Maxwell3D::FlushMMEInlineDraw() {
- LOG_TRACE(HW_GPU, "called, topology={}, count={}", regs.draw.topology.Value(),
- regs.vertex_buffer.count);
- ASSERT_MSG(!(regs.index_buffer.count && regs.vertex_buffer.count), "Both indexed and direct?");
- ASSERT(mme_draw.instance_count == mme_draw.gl_end_count);
-
- // Both instance configuration registers can not be set at the same time.
- ASSERT_MSG(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::First ||
- regs.draw.instance_id != Maxwell3D::Regs::Draw::InstanceId::Unchanged,
- "Illegal combination of instancing parameters");
-
- ProcessTopologyOverride();
-
- const bool is_indexed = mme_draw.current_mode == MMEDrawMode::Indexed;
- if (ShouldExecute()) {
- rasterizer->Draw(is_indexed, true);
- }
-
- // TODO(bunnei): Below, we reset vertex count so that we can use these registers to determine if
- // the game is trying to draw indexed or direct mode. This needs to be verified on HW still -
- // it's possible that it is incorrect and that there is some other register used to specify the
- // drawing mode.
- if (is_indexed) {
- regs.index_buffer.count = 0;
- } else {
- regs.vertex_buffer.count = 0;
- }
- mme_draw.current_mode = MMEDrawMode::Undefined;
- mme_draw.current_count = 0;
- mme_draw.instance_count = 0;
- mme_draw.instance_mode = false;
- mme_draw.gl_begin_consume = false;
- mme_draw.gl_end_count = 0;
-}
-
void Maxwell3D::ProcessMacroUpload(u32 data) {
macro_engine->AddCode(regs.load_mme.instruction_ptr++, data);
}
@@ -576,42 +484,6 @@ void Maxwell3D::ProcessSyncPoint() {
}
}
-void Maxwell3D::DrawArrays() {
- LOG_TRACE(HW_GPU, "called, topology={}, count={}", regs.draw.topology.Value(),
- regs.vertex_buffer.count);
- ASSERT_MSG(!(regs.index_buffer.count && regs.vertex_buffer.count), "Both indexed and direct?");
-
- // Both instance configuration registers can not be set at the same time.
- ASSERT_MSG(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::First ||
- regs.draw.instance_id != Maxwell3D::Regs::Draw::InstanceId::Unchanged,
- "Illegal combination of instancing parameters");
-
- ProcessTopologyOverride();
-
- if (regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent) {
- // Increment the current instance *before* drawing.
- state.current_instance++;
- } else if (regs.draw.instance_id != Maxwell3D::Regs::Draw::InstanceId::Unchanged) {
- // Reset the current instance to 0.
- state.current_instance = 0;
- }
-
- const bool is_indexed{regs.index_buffer.count && !regs.vertex_buffer.count};
- if (ShouldExecute()) {
- rasterizer->Draw(is_indexed, false);
- }
-
- // TODO(bunnei): Below, we reset vertex count so that we can use these registers to determine if
- // the game is trying to draw indexed or direct mode. This needs to be verified on HW still -
- // it's possible that it is incorrect and that there is some other register used to specify the
- // drawing mode.
- if (is_indexed) {
- regs.index_buffer.count = 0;
- } else {
- regs.vertex_buffer.count = 0;
- }
-}
-
std::optional<u64> Maxwell3D::GetQueryResult() {
switch (regs.report_semaphore.query.report) {
case Regs::ReportSemaphore::Report::Payload:
@@ -694,4 +566,87 @@ void Maxwell3D::ProcessClearBuffers() {
rasterizer->Clear();
}
+void Maxwell3D::ProcessDeferredDraw() {
+ auto method_count = deferred_draw_method.size();
+ if (method_count) {
+ enum class DrawMode {
+ Undefined,
+ General,
+ Instance,
+ };
+ DrawMode draw_mode{DrawMode::Undefined};
+ u32 instance_count = 1;
+
+ auto first_method = deferred_draw_method[0];
+ if (MAXWELL3D_REG_INDEX(draw.begin) == first_method) {
+ // The minimum number of methods for drawing must be greater than or equal to
+ // 3[draw.begin->vertex(index)count->draw.end] to avoid errors in index mode drawing
+ if (method_count < 3) {
+ return;
+ }
+ draw_mode =
+ (regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent) ||
+ (regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Unchanged)
+ ? DrawMode::Instance
+ : DrawMode::General;
+ } else if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method ||
+ MAXWELL3D_REG_INDEX(index_buffer16_first) == first_method ||
+ MAXWELL3D_REG_INDEX(index_buffer8_first) == first_method) {
+ draw_mode = DrawMode::General;
+ }
+
+ // Drawing will only begin with draw.begin or index_buffer method, other methods directly
+ // clear
+ if (draw_mode == DrawMode::Undefined) {
+ deferred_draw_method.clear();
+ return;
+ }
+
+ if (draw_mode == DrawMode::Instance) {
+ ASSERT_MSG(deferred_draw_method.size() % 4 == 0, "Instance mode method size error");
+ instance_count = static_cast<u32>(deferred_draw_method.size()) / 4;
+ } else {
+ if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method) {
+ regs.index_buffer.count = regs.index_buffer32_first.count;
+ regs.index_buffer.first = regs.index_buffer32_first.first;
+ dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
+ } else if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method) {
+ regs.index_buffer.count = regs.index_buffer16_first.count;
+ regs.index_buffer.first = regs.index_buffer16_first.first;
+ dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
+ } else if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method) {
+ regs.index_buffer.count = regs.index_buffer8_first.count;
+ regs.index_buffer.first = regs.index_buffer8_first.first;
+ dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
+ }
+ }
+
+ LOG_TRACE(HW_GPU, "called, topology={}, count={}", regs.draw.topology.Value(),
+ regs.vertex_buffer.count);
+
+ ASSERT_MSG(!(regs.index_buffer.count && regs.vertex_buffer.count),
+ "Both indexed and direct?");
+
+ // Both instance configuration registers can not be set at the same time.
+ ASSERT_MSG(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::First ||
+ regs.draw.instance_id != Maxwell3D::Regs::Draw::InstanceId::Unchanged,
+ "Illegal combination of instancing parameters");
+
+ ProcessTopologyOverride();
+
+ const bool is_indexed = regs.index_buffer.count && !regs.vertex_buffer.count;
+ if (ShouldExecute()) {
+ rasterizer->Draw(is_indexed, instance_count);
+ }
+
+ if (is_indexed) {
+ regs.index_buffer.count = 0;
+ } else {
+ regs.vertex_buffer.count = 0;
+ }
+
+ deferred_draw_method.clear();
+ }
+}
+
} // namespace Tegra::Engines