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GPU/HW: Fix too-large polygon culling

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Fixes graphical corruption in some levels of Point Blank 2.
This commit is contained in:
Connor McLaughlin 2020-04-26 21:43:18 +10:00
parent 98ff136f67
commit dc1e1b5adf
1 changed files with 3 additions and 3 deletions
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6
src/core/gpu_hw.cpp
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@ -204,7 +204,7 @@ void GPU_HW::LoadVertices()
// Cull polygons which are too large. // Cull polygons which are too large.
const s32 min_x_12 = std::min(vertices[1].x, vertices[2].x); const s32 min_x_12 = std::min(vertices[1].x, vertices[2].x);
const s32 max_x_12 = std::max(vertices[2].x, vertices[2].x); const s32 max_x_12 = std::max(vertices[1].x, vertices[2].x);
const s32 min_y_12 = std::min(vertices[1].y, vertices[2].y); const s32 min_y_12 = std::min(vertices[1].y, vertices[2].y);
const s32 max_y_12 = std::max(vertices[1].y, vertices[2].y); const s32 max_y_12 = std::max(vertices[1].y, vertices[2].y);
const s32 min_x = std::min(min_x_12, vertices[2].x); const s32 min_x = std::min(min_x_12, vertices[2].x);
@ -236,9 +236,9 @@ void GPU_HW::LoadVertices()
if (rc.quad_polygon) if (rc.quad_polygon)
{ {
const s32 min_x_123 = std::min(min_x_12, vertices[3].x); const s32 min_x_123 = std::min(min_x_12, vertices[3].x);
const s32 max_x_123 = std::max(min_x_12, vertices[3].x); const s32 max_x_123 = std::max(max_x_12, vertices[3].x);
const s32 min_y_123 = std::min(min_y_12, vertices[3].y); const s32 min_y_123 = std::min(min_y_12, vertices[3].y);
const s32 max_y_123 = std::max(min_y_12, vertices[3].y); const s32 max_y_123 = std::max(max_y_12, vertices[3].y);
// Cull polygons which are too large. // Cull polygons which are too large.
if ((max_x_123 - min_x_123) >= MAX_PRIMITIVE_WIDTH || (max_y_123 - min_y_123) >= MAX_PRIMITIVE_HEIGHT) if ((max_x_123 - min_x_123) >= MAX_PRIMITIVE_WIDTH || (max_y_123 - min_y_123) >= MAX_PRIMITIVE_HEIGHT)