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GPU: Skip primitives where clip area is invalid

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Fixes palettes being overwritten/menus being broken in
Yoshimoto Mahjong Club Deluxe.
This commit is contained in:
Connor McLaughlin
2020-06-14 01:01:01 +10:00
parent 16c47f4553
commit fc0560087f
3 changed files with 24 additions and 1 deletions
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12
src/core/gpu_hw.cpp
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@ -217,6 +217,9 @@ void GPU_HW::LoadVertices()
if (rc.quad_polygon && m_resolution_scale > 1)
HandleFlippedQuadTextureCoordinates(vertices.data());
if (!IsDrawingAreaIsValid())
return;
// Cull polygons which are too large.
const s32 min_x_12 = std::min(vertices[1].x, vertices[2].x);
const s32 max_x_12 = std::max(vertices[1].x, vertices[2].x);
@ -328,6 +331,9 @@ void GPU_HW::LoadVertices()
// we can split the rectangle up into potentially 8 quads
DebugAssert(GetBatchVertexSpace() >= MAX_VERTICES_FOR_RECTANGLE);
if (!IsDrawingAreaIsValid())
return;
// Split the rectangle into multiple quads if it's greater than 256x256, as the texture page should repeat.
u16 tex_top = orig_tex_top;
for (s32 y_offset = 0; y_offset < rectangle_height;)
@ -395,6 +401,9 @@ void GPU_HW::LoadVertices()
pos1.bits = m_fifo.Pop();
}
if (!IsDrawingAreaIsValid())
return;
BatchVertex start, end;
start.Set(m_drawing_offset.x + pos0.x, m_drawing_offset.y + pos0.y, color0, 0, 0);
end.Set(m_drawing_offset.x + pos1.x, m_drawing_offset.y + pos1.y, color1, 0, 0);
@ -428,6 +437,9 @@ void GPU_HW::LoadVertices()
const u32 num_vertices = GetPolyLineVertexCount();
DebugAssert(GetBatchVertexSpace() >= (num_vertices * 2));
if (!IsDrawingAreaIsValid())
return;
const u32 first_color = rc.color_for_first_vertex;
const bool shaded = rc.shading_enable;