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-rw-r--r--src/video_core/engines/maxwell_3d.cpp261
-rw-r--r--src/video_core/engines/maxwell_3d.h52
2 files changed, 135 insertions, 178 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index b1a22b76c..4a2f2c1fd 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(draw_inline_index)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(inline_index_2x16.even)] = true;
+ draw_command[MAXWELL3D_REG_INDEX(inline_index_4x8.index0)] = true;
}
void Maxwell3D::ProcessMacro(u32 method, const u32* base_start, u32 amount, bool is_last_call) {
@@ -208,25 +213,21 @@ 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();
+ return ProcessDraw();
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();
+ return ProcessDraw();
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();
+ return ProcessDraw();
case MAXWELL3D_REG_INDEX(topology_override):
use_topology_override = true;
return;
@@ -261,14 +262,13 @@ 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 +283,33 @@ 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);
+ auto u32_to_u8 = [&](const u32 argument) {
+ inline_index_draw_indexes.push_back(static_cast<u8>(argument & 0x000000ff));
+ inline_index_draw_indexes.push_back(static_cast<u8>((argument & 0x0000ff00) >> 8));
+ inline_index_draw_indexes.push_back(static_cast<u8>((argument & 0x00ff0000) >> 16));
+ inline_index_draw_indexes.push_back(static_cast<u8>((argument & 0xff000000) >> 24));
+ };
+ if (MAXWELL3D_REG_INDEX(draw_inline_index) == method) {
+ u32_to_u8(method_argument);
+ } else if (MAXWELL3D_REG_INDEX(inline_index_2x16.even) == method) {
+ u32_to_u8(regs.inline_index_2x16.even);
+ u32_to_u8(regs.inline_index_2x16.odd);
+ } else if (MAXWELL3D_REG_INDEX(inline_index_4x8.index0) == method) {
+ u32_to_u8(regs.inline_index_4x8.index0);
+ u32_to_u8(regs.inline_index_4x8.index1);
+ u32_to_u8(regs.inline_index_4x8.index2);
+ u32_to_u8(regs.inline_index_4x8.index3);
+ }
+ } 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 +350,6 @@ 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 +379,6 @@ 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);
}
@@ -573,42 +513,6 @@ void Maxwell3D::ProcessSyncPoint() {
rasterizer->SignalSyncPoint(sync_point);
}
-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:
@@ -691,4 +595,83 @@ void Maxwell3D::ProcessClearBuffers() {
rasterizer->Clear();
}
+void Maxwell3D::ProcessDraw(u32 instance_count) {
+ 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;
+ }
+}
+
+void Maxwell3D::ProcessDeferredDraw() {
+ if (deferred_draw_method.empty()) {
+ return;
+ }
+
+ enum class DrawMode {
+ Undefined,
+ General,
+ Instance,
+ };
+ DrawMode draw_mode{DrawMode::Undefined};
+ u32 method_count = static_cast<u32>(deferred_draw_method.size());
+ u32 method = deferred_draw_method[method_count - 1];
+ if (MAXWELL3D_REG_INDEX(draw.end) != method) {
+ 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;
+ u32 instance_count = 0;
+ if (draw_mode == DrawMode::Instance) {
+ u32 vertex_buffer_count = 0;
+ u32 index_buffer_count = 0;
+ for (u32 index = 0; index < method_count; ++index) {
+ method = deferred_draw_method[index];
+ if (method == MAXWELL3D_REG_INDEX(vertex_buffer.count)) {
+ instance_count = ++vertex_buffer_count;
+ } else if (method == MAXWELL3D_REG_INDEX(index_buffer.count)) {
+ instance_count = ++index_buffer_count;
+ }
+ }
+ ASSERT_MSG(!(vertex_buffer_count && index_buffer_count),
+ "Instance both indexed and direct?");
+ } else {
+ instance_count = 1;
+ for (u32 index = 0; index < method_count; ++index) {
+ method = deferred_draw_method[index];
+ if (MAXWELL3D_REG_INDEX(draw_inline_index) == method ||
+ MAXWELL3D_REG_INDEX(inline_index_2x16.even) == method ||
+ MAXWELL3D_REG_INDEX(inline_index_4x8.index0) == method) {
+ regs.index_buffer.count = static_cast<u32>(inline_index_draw_indexes.size() / 4);
+ regs.index_buffer.format = Regs::IndexFormat::UnsignedInt;
+ break;
+ }
+ }
+ }
+
+ ProcessDraw(instance_count);
+
+ deferred_draw_method.clear();
+ inline_index_draw_indexes.clear();
+}
+
} // namespace Tegra::Engines
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 75e3b868d..910ab213a 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -1739,14 +1739,11 @@ public:
Footprint_1x1_Virtual = 2,
};
- struct InlineIndex4x8Align {
+ struct InlineIndex4x8 {
union {
BitField<0, 30, u32> count;
BitField<30, 2, u32> start;
};
- };
-
- struct InlineIndex4x8Index {
union {
BitField<0, 8, u32> index0;
BitField<8, 8, u32> index1;
@@ -2836,8 +2833,7 @@ public:
u32 depth_write_enabled; ///< 0x12E8
u32 alpha_test_enabled; ///< 0x12EC
INSERT_PADDING_BYTES_NOINIT(0x10);
- InlineIndex4x8Align inline_index_4x8_align; ///< 0x1300
- InlineIndex4x8Index inline_index_4x8_index; ///< 0x1304
+ InlineIndex4x8 inline_index_4x8; ///< 0x1300
D3DCullMode d3d_cull_mode; ///< 0x1308
ComparisonOp depth_test_func; ///< 0x130C
f32 alpha_test_ref; ///< 0x1310
@@ -2974,7 +2970,7 @@ public:
CullFace gl_cull_face; ///< 0x1920
Viewport::PixelCenter viewport_pixel_center; ///< 0x1924
INSERT_PADDING_BYTES_NOINIT(0x4);
- u32 viewport_scale_offset_enbled; ///< 0x192C
+ u32 viewport_scale_offset_enabled; ///< 0x192C
INSERT_PADDING_BYTES_NOINIT(0xC);
ViewportClipControl viewport_clip_control; ///< 0x193C
UserClip::Op user_clip_op; ///< 0x1940
@@ -3048,8 +3044,6 @@ public:
};
std::array<ShaderStageInfo, Regs::MaxShaderStage> shader_stages;
-
- u32 current_instance = 0; ///< Current instance to be used to simulate instanced rendering.
};
State state{};
@@ -3064,11 +3058,6 @@ public:
void CallMultiMethod(u32 method, const u32* base_start, u32 amount,
u32 methods_pending) override;
- /// Write the value to the register identified by method.
- void CallMethodFromMME(u32 method, u32 method_argument);
-
- void FlushMMEInlineDraw();
-
bool ShouldExecute() const {
return execute_on;
}
@@ -3081,21 +3070,6 @@ public:
return *rasterizer;
}
- enum class MMEDrawMode : u32 {
- Undefined,
- Array,
- Indexed,
- };
-
- struct MMEDrawState {
- MMEDrawMode current_mode{MMEDrawMode::Undefined};
- u32 current_count{};
- u32 instance_count{};
- bool instance_mode{};
- bool gl_begin_consume{};
- u32 gl_end_count{};
- } mme_draw;
-
struct DirtyState {
using Flags = std::bitset<std::numeric_limits<u8>::max()>;
using Table = std::array<u8, Regs::NUM_REGS>;
@@ -3105,6 +3079,8 @@ public:
Tables tables{};
} dirty;
+ std::vector<u8> inline_index_draw_indexes;
+
private:
void InitializeRegisterDefaults();
@@ -3164,14 +3140,12 @@ private:
/// Handles a write to the CB_BIND register.
void ProcessCBBind(size_t stage_index);
- /// Handles a write to the VERTEX_END_GL register, triggering a draw.
- void DrawArrays();
-
/// Handles use of topology overrides (e.g., to avoid using a topology assigned from a macro)
void ProcessTopologyOverride();
- // Handles a instance drawcall from MME
- void StepInstance(MMEDrawMode expected_mode, u32 count);
+ void ProcessDraw(u32 instance_count = 1);
+
+ void ProcessDeferredDraw();
/// Returns a query's value or an empty object if the value will be deferred through a cache.
std::optional<u64> GetQueryResult();
@@ -3184,8 +3158,6 @@ private:
/// Start offsets of each macro in macro_memory
std::array<u32, 0x80> macro_positions{};
- std::array<bool, Regs::NUM_REGS> mme_inline{};
-
/// Macro method that is currently being executed / being fed parameters.
u32 executing_macro = 0;
/// Parameters that have been submitted to the macro call so far.
@@ -3198,6 +3170,9 @@ private:
bool execute_on{true};
bool use_topology_override{false};
+
+ std::array<bool, Regs::NUM_REGS> draw_command{};
+ std::vector<u32> deferred_draw_method;
};
#define ASSERT_REG_POSITION(field_name, position) \
@@ -3402,8 +3377,7 @@ ASSERT_REG_POSITION(alpha_to_coverage_dither, 0x12E0);
ASSERT_REG_POSITION(blend_per_target_enabled, 0x12E4);
ASSERT_REG_POSITION(depth_write_enabled, 0x12E8);
ASSERT_REG_POSITION(alpha_test_enabled, 0x12EC);
-ASSERT_REG_POSITION(inline_index_4x8_align, 0x1300);
-ASSERT_REG_POSITION(inline_index_4x8_index, 0x1304);
+ASSERT_REG_POSITION(inline_index_4x8, 0x1300);
ASSERT_REG_POSITION(d3d_cull_mode, 0x1308);
ASSERT_REG_POSITION(depth_test_func, 0x130C);
ASSERT_REG_POSITION(alpha_test_ref, 0x1310);
@@ -3508,7 +3482,7 @@ ASSERT_REG_POSITION(gl_cull_test_enabled, 0x1918);
ASSERT_REG_POSITION(gl_front_face, 0x191C);
ASSERT_REG_POSITION(gl_cull_face, 0x1920);
ASSERT_REG_POSITION(viewport_pixel_center, 0x1924);
-ASSERT_REG_POSITION(viewport_scale_offset_enbled, 0x192C);
+ASSERT_REG_POSITION(viewport_scale_offset_enabled, 0x192C);
ASSERT_REG_POSITION(viewport_clip_control, 0x193C);
ASSERT_REG_POSITION(user_clip_op, 0x1940);
ASSERT_REG_POSITION(render_enable_override, 0x1944);
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-15 08:10:32 +0000