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authorFernando Sahmkow <fsahmkow27@gmail.com>2019-09-22 13:23:13 +0200
committerFernando Sahmkow <fsahmkow27@gmail.com>2019-09-22 13:23:13 +0200
commit68f5aff64f231e77fed726b91619061e308b7b2d (patch)
treedfb0af079a7e4f6da108a9dd4484c9cee069b2d0 /src/video_core/engines
parentRasterizer: Correct introduced bug where a conditional render wouldn't stop a draw call from executing (diff)
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Diffstat (limited to 'src/video_core/engines')
-rw-r--r--src/video_core/engines/maxwell_3d.cpp69
-rw-r--r--src/video_core/engines/maxwell_3d.h7
2 files changed, 43 insertions, 33 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index b8f071bc0..e9c15beff 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -260,7 +260,7 @@ void Maxwell3D::CallMacroMethod(u32 method, std::size_t num_parameters, const u3
// Execute the current macro.
macro_interpreter.Execute(macro_positions[entry], num_parameters, parameters);
- if (mme_draw.current_mode != MMMEDrawMode::Undefined) {
+ if (mme_draw.current_mode != MMEDrawMode::Undefined) {
FlushMMEInlineDraw();
}
}
@@ -423,37 +423,40 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
}
}
+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(const GPU::MethodCall& method_call) {
const u32 method = method_call.method;
if (mme_inline[method]) {
regs.reg_array[method] = method_call.argument;
if (method == MAXWELL3D_REG_INDEX(vertex_buffer.count) ||
method == MAXWELL3D_REG_INDEX(index_array.count)) {
- const MMMEDrawMode expected_mode = method == MAXWELL3D_REG_INDEX(vertex_buffer.count)
- ? MMMEDrawMode::Array
- : MMMEDrawMode::Indexed;
- const u32 count = method_call.argument;
- while (true) {
- if (mme_draw.current_mode == MMMEDrawMode::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;
- }
- break;
- } 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;
- break;
- } else {
- FlushMMEInlineDraw();
- }
- }
- }
+ const MMEDrawMode expected_mode = method == MAXWELL3D_REG_INDEX(vertex_buffer.count)
+ ? MMEDrawMode::Array
+ : MMEDrawMode::Indexed;
+ StepInstance(expected_mode, method_call.argument);
} else if (method == MAXWELL3D_REG_INDEX(draw.vertex_begin_gl)) {
mme_draw.instance_mode =
(regs.draw.instance_next != 0) || (regs.draw.instance_cont != 0);
@@ -462,7 +465,7 @@ void Maxwell3D::CallMethodFromMME(const GPU::MethodCall& method_call) {
mme_draw.gl_end_count++;
}
} else {
- if (mme_draw.current_mode != MMMEDrawMode::Undefined) {
+ if (mme_draw.current_mode != MMEDrawMode::Undefined) {
FlushMMEInlineDraw();
}
CallMethod(method_call);
@@ -485,8 +488,10 @@ void Maxwell3D::FlushMMEInlineDraw() {
ASSERT_MSG(!regs.draw.instance_next || !regs.draw.instance_cont,
"Illegal combination of instancing parameters");
- const bool is_indexed = mme_draw.current_mode == MMMEDrawMode::Indexed;
- rasterizer.DrawMultiBatch(is_indexed);
+ const bool is_indexed = mme_draw.current_mode == MMEDrawMode::Indexed;
+ if (ShouldExecute()) {
+ rasterizer.DrawMultiBatch(is_indexed);
+ }
if (debug_context) {
debug_context->OnEvent(Tegra::DebugContext::Event::FinishedPrimitiveBatch, nullptr);
@@ -501,7 +506,7 @@ void Maxwell3D::FlushMMEInlineDraw() {
} else {
regs.vertex_buffer.count = 0;
}
- mme_draw.current_mode = MMMEDrawMode::Undefined;
+ mme_draw.current_mode = MMEDrawMode::Undefined;
mme_draw.current_count = 0;
mme_draw.instance_count = 0;
mme_draw.instance_mode = false;
@@ -657,7 +662,9 @@ void Maxwell3D::DrawArrays() {
}
const bool is_indexed{regs.index_array.count && !regs.vertex_buffer.count};
- rasterizer.DrawBatch(is_indexed);
+ if (ShouldExecute()) {
+ rasterizer.DrawBatch(is_indexed);
+ }
if (debug_context) {
debug_context->OnEvent(Tegra::DebugContext::Event::FinishedPrimitiveBatch, nullptr);
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 8fd3ec85c..4c97759ed 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -1269,14 +1269,14 @@ public:
return execute_on;
}
- enum class MMMEDrawMode : u32 {
+ enum class MMEDrawMode : u32 {
Undefined,
Array,
Indexed,
};
struct MMEDrawState {
- MMMEDrawMode current_mode{MMMEDrawMode::Undefined};
+ MMEDrawMode current_mode{MMEDrawMode::Undefined};
u32 current_count{};
u32 instance_count{};
bool instance_mode{};
@@ -1369,6 +1369,9 @@ private:
/// Handles a write to the VERTEX_END_GL register, triggering a draw.
void DrawArrays();
+
+ // Handles a instance drawcall from MME
+ void StepInstance(MMEDrawMode expected_mode, u32 count);
};
#define ASSERT_REG_POSITION(field_name, position) \