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Maxwell3D: read small-index draw and primitive topology override registers

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This allows Galaxy and Sunshine to render for the first time.
This commit is contained in:
Liam
2022-03-10 19:21:04 -05:00
parent e200161982
commit f1521183f8
2 changed files with 30 additions and 2 deletions
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14
src/video_core/engines/maxwell_3d.cpp
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@ -208,6 +208,10 @@ void Maxwell3D::ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argume
return ProcessCBBind(4);
case MAXWELL3D_REG_INDEX(draw.vertex_end_gl):
return DrawArrays();
case MAXWELL3D_REG_INDEX(small_index):
regs.index_array.count = regs.small_index.count;
regs.index_array.first = regs.small_index.first;
return DrawArrays();
case MAXWELL3D_REG_INDEX(clear_buffers):
return ProcessClearBuffers();
case MAXWELL3D_REG_INDEX(query.query_get):
@ -360,6 +364,12 @@ void Maxwell3D::CallMethodFromMME(u32 method, u32 method_argument) {
}
}
void Maxwell3D::ProcessTopologyOverride() {
if (regs.draw.topology != regs.topology_override) {
regs.draw.topology.Assign(regs.topology_override);
}
}
void Maxwell3D::FlushMMEInlineDraw() {
LOG_TRACE(HW_GPU, "called, topology={}, count={}", regs.draw.topology.Value(),
regs.vertex_buffer.count);
@ -370,6 +380,8 @@ void Maxwell3D::FlushMMEInlineDraw() {
ASSERT_MSG(!regs.draw.instance_next || !regs.draw.instance_cont,
"Illegal combination of instancing parameters");
ProcessTopologyOverride();
const bool is_indexed = mme_draw.current_mode == MMEDrawMode::Indexed;
if (ShouldExecute()) {
rasterizer->Draw(is_indexed, true);
@ -529,6 +541,8 @@ void Maxwell3D::DrawArrays() {
ASSERT_MSG(!regs.draw.instance_next || !regs.draw.instance_cont,
"Illegal combination of instancing parameters");
ProcessTopologyOverride();
if (regs.draw.instance_next) {
// Increment the current instance *before* drawing.
state.current_instance += 1;