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Expand tests
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1 changed files with 100 additions and 3 deletions
103
test.c
103
test.c
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@ -9,7 +9,7 @@ uint8_t testRaster[TEST_BUFFER_W * TEST_BUFFER_H];
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void pixelFunc(S3L_PixelInfo *p)
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{
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testRaster[p->y * TEST_BUFFER_W + p->x] = 1;
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testRaster[p->y * TEST_BUFFER_W + p->x] += 1;
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}
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uint16_t testTriangleRasterization(
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@ -22,7 +22,7 @@ uint16_t testTriangleRasterization(
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uint8_t *expectedPixels
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)
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{
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printf(" --- testing tringle rasterization (|: expected, -: rasterized) ----\n");
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printf(" --- testing tringle rasterization [%d,%d] [%d,%d] [%d,%d] (|: expected, -: rasterized) ----\n",x0,y0,x1,y1,x2,y2);
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S3L_DrawConfig conf;
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@ -81,7 +81,8 @@ uint16_t testRasterization()
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numErrors += testTriangleRasterization(5,3, 3,3, 9,3, pixelsEmpty);
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numErrors += testTriangleRasterization(9,4, 9,0, 9,9, pixelsEmpty);
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numErrors += testTriangleRasterization(3,3, 6,6, 7,7, pixelsEmpty);
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numErrors += testTriangleRasterization(5,5, 3,7, 9,1, pixelsEmpty);
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numErrors += testTriangleRasterization(7,0, 3,3, 0,7, pixelsEmpty);
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numErrors += testTriangleRasterization(7,7, 7,7, 7,7, pixelsEmpty);
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uint8_t pixels1[TEST_BUFFER_W * TEST_BUFFER_H] =
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{
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@ -221,6 +222,102 @@ uint16_t testRasterization()
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numErrors += testTriangleRasterization(0,2, 6,0, 4,4, pixels6);
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printf("cover test (each pixel should be covered exactly once):\n\n");
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S3L_DrawConfig conf;
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conf.backfaceCulling = S3L_BACKFACE_CULLING_NONE;
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conf.mode = S3L_MODE_TRIANGLES;
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S3L_ScreenCoord coords[] =
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{
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0,0,
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6,0,
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13,0,
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15,0,
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14,1,
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11,2,
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3,3,
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11,4,
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14,5,
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0,6,
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6,6,
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13,8,
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8,9,
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3,12,
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9,12,
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11,13,
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9,14,
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0,15,
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15,15
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};
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memset(testRaster,0,TEST_BUFFER_W * TEST_BUFFER_H);
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#define dt(i1,i2,i3) S3L_drawTriangle(coords[2*i1],coords[2*i1 + 1],coords[2*i2],coords[2*i2+1],coords[2*i3],coords[2*i3+1],conf,0)
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dt(0,1,6); // 0
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dt(1,2,5); // 1
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dt(2,4,5); // 2
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dt(2,3,4); // 3
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dt(0,6,9); // 4
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dt(1,10,6); // 5
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dt(1,5,10); // 6
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dt(5,4,8); // 7
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dt(4,3,8); // 8
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dt(9,6,10); // 9
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dt(10,5,12); // 10
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dt(5,7,12); // 11
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dt(5,7,11); // 12
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dt(5,8,11); // 13
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dt(8,3,18); // 14
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dt(9,10,13); // 15
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dt(10,12,13); // 16
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dt(12,7,11); // 17
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dt(11,8,18); // 18
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dt(9,13,17); // 19
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dt(13,12,14); // 20
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dt(12,11,14); // 21
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dt(11,14,15); // 22
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dt(15,11,18); // 23
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dt(13,14,16); // 24
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dt(14,15,16); // 25
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dt(17,13,16); // 26
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dt(16,15,18); // 27
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dt(16,17,18); // 28
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// extra empty triangles
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dt(12,12,12);
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dt(9,10,10);
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dt(1,10,10);
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// dt(9,6,1);
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dt(0,6,10);
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#undef dt
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uint16_t numErrors2 = 0;
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for (uint8_t y = 0; y < TEST_BUFFER_H - 1; ++y)
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{
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printf(" ");
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for (uint8_t x = 0; x < TEST_BUFFER_W - 1; ++x)
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{
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uint8_t count = testRaster[y * TEST_BUFFER_W + x];
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printf("%d",count);
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if (count != 1)
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numErrors2++;
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}
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printf("\n");
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}
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printf(" errors: %d\n",numErrors2);
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numErrors += numErrors2;
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printf("total rasterization errors: %d\n",numErrors);
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}
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