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GE Debugger: Correct rounded coords in vertex list.

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Were previously rounding to pixel, not subpixel.  Also, show out of range
values for clarity on clamping/culling.
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Unknown W. Brackets committed 2022-09-30 00:19:21 -07:00
1 parent 89dab444c4
commit 77696573f4
1 file changed
+8 -6
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GPU/Software/TransformUnit.cpp
+8 -6
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@@ -981,6 +981,9 @@ bool TransformUnit::GetCurrentSimpleVertices(int count, std::vector<GPUDebugVert
Matrix4ByMatrix4(worldview, world, view);
Matrix4ByMatrix4(worldviewproj, worldview, gstate.projMatrix);
const float zScale = gstate.getViewportZScale();
const float zCenter = gstate.getViewportZCenter();
vertices.resize(indexUpperBound + 1);
for (int i = indexLowerBound; i <= indexUpperBound; ++i) {
const SimpleVertex &vert = simpleVertices[i];
@@ -997,10 +1000,9 @@ bool TransformUnit::GetCurrentSimpleVertices(int count, std::vector<GPUDebugVert
vertices[i].y = vert.pos.y;
vertices[i].z = vert.pos.z;
} else {
float clipPos[4];
Vec3ByMatrix44(clipPos, vert.pos.AsArray(), worldviewproj);
Vec4f clipPos = Vec3ByMatrix44(vert.pos, worldviewproj);
ScreenCoords screenPos = ClipToScreen(clipPos);
DrawingCoords drawPos = ScreenToDrawing(screenPos);
float z = clipPos.z * zScale / clipPos.w + zCenter;
if (gstate.vertType & GE_VTYPE_TC_MASK) {
vertices[i].u = vert.uv[0] * (float)gstate.getTextureWidth(0);
@@ -1009,9 +1011,9 @@ bool TransformUnit::GetCurrentSimpleVertices(int count, std::vector<GPUDebugVert
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
vertices[i].x = drawPos.x;
vertices[i].y = drawPos.y;
vertices[i].z = screenPos.z;
vertices[i].x = (float)screenPos.x / SCREEN_SCALE_FACTOR;
vertices[i].y = (float)screenPos.y / SCREEN_SCALE_FACTOR;
vertices[i].z = screenPos.z <= 0 || screenPos.z >= 0xFFFF ? z : (float)screenPos.z;
}
if (gstate.vertType & GE_VTYPE_COL_MASK) {