改进光栅化测试流程

test/unit/dvt_unit_rasterizer.cpp

@@ -1,6 +1,5 @@
-#include <pipe/dvc_rasterizer.h>
-#include <buffer/dvu_dump_buffer.h>
-
+#include "pipe/dvc_rasterizer.h"
+#include "buffer/dvu_dump_buffer.h"
 #include <gtest/gtest.h>
 
 #include <atomic>
@@ -224,19 +223,19 @@ public:
 
 		if (debug) {
 			bool succ = true;
-			uint32_t* colBuf = new uint32_t[m_width*m_height];
 
 			for (int32_t i = 0; i < m_width*m_height; i++) {
-				colBuf[i] = m_pixelBuf[i].load();
 				if (m_pixelBuf[i] == 0) {
 					if (debug) printf("error: %d,%d=%d\n", i%m_width, i/ m_width, m_pixelBuf[(size_t)i].load());
 					succ = false;
-					//return false;
+					break;
 				}
 			}
 
-			davinci_utils::dump_pixel_buffer("debug.png", m_width, m_height, colBuf, PF_UINT8_RGBA);
-			delete[] colBuf;
+			if (!succ) {
+				return false;
+			}
+
 			return succ;
 		}
 		else {
@@ -262,6 +261,27 @@ public:
 		return true;
 	}
 
+	bool dumpToPNG(const char* szFileName, bool binary)
+	{
+		uint32_t* pixelBuffer = new uint32_t[m_width * m_height];
+		for (int32_t i = 0; i < m_width * m_height; i++) 
+		{
+			if (binary) {
+				pixelBuffer[i] = m_pixelBuf[i].load() != 0 ? 0xFF000000 : 0;
+			}
+			else {
+				pixelBuffer[i] = m_pixelBuf[i].load();
+			}
+		}
+
+		if (!davinci_utils::dump_pixel_buffer(szFileName, m_width, m_height, pixelBuffer, PF_UINT8_RGBA))
+		{
+			delete[] pixelBuffer;
+			return false;
+		}
+		delete[] pixelBuffer;
+		return true;
+	}
 private:
 	int32_t m_width, m_height;
 	std::atomic<uint32_t>* m_pixelBuf;
@@ -271,7 +291,7 @@ private:
 };
 
 //-------------------------------------------------------------------------------------
-static bool _triangleRasterizationRules(Canvas& canvas, const Triangle& triangle, const PixelBuf& pixelExpect, bool ccw=true)
+static bool _triangleRasterizationRules(Canvas& canvas, const Triangle& triangle, const PixelBuf& pixelExpect, bool ccw=true, const char* dumpPNGName=nullptr)
 {
 	auto razFunc = std::bind(&Canvas::razFunction_fetchadd, &canvas, std::placeholders::_1, std::placeholders::_2);
 	
@@ -281,6 +301,11 @@ static bool _triangleRasterizationRules(Canvas& canvas, const Triangle& triangle
 		triangle.p1, triangle.p2, triangle.p3,
 		razFunc, ccw);
 
+	if (dumpPNGName != nullptr)
+	{
+		canvas.dumpToPNG(dumpPNGName, true);
+	}
+
 	return canvas.checkResult(pixelExpect);
 }
 
@@ -376,9 +401,6 @@ TEST(Rasterizer, Basic)
 //-------------------------------------------------------------------------------------
 TEST(Rasterizer, Delaunay)
 {
-	//seed=1499743811, counts=5, range=0.8f;
-	//seed=1499670829, counts=5, range=1.f;
-
 	const int32_t width = 1024, height = 1024;
 	const int32_t verticesCounts = MathUtil::rangeRandom(5, 30);