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Expand tests

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This commit is contained in:
Miloslav Číž 2019-05-05 20:01:36 +02:00
parent 9e3de8c157
commit 9c60d2584b
1 changed files with 100 additions and 3 deletions
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103
test.c
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@ -9,7 +9,7 @@ uint8_t testRaster[TEST_BUFFER_W * TEST_BUFFER_H];
void pixelFunc(S3L_PixelInfo *p) void pixelFunc(S3L_PixelInfo *p)
{ {
testRaster[p->y * TEST_BUFFER_W + p->x] = 1; testRaster[p->y * TEST_BUFFER_W + p->x] += 1;
} }
uint16_t testTriangleRasterization( uint16_t testTriangleRasterization(
@ -22,7 +22,7 @@ uint16_t testTriangleRasterization(
uint8_t *expectedPixels uint8_t *expectedPixels
) )
{ {
printf(" --- testing tringle rasterization (|: expected, -: rasterized) ----\n"); printf(" --- testing tringle rasterization [%d,%d] [%d,%d] [%d,%d] (|: expected, -: rasterized) ----\n",x0,y0,x1,y1,x2,y2);
S3L_DrawConfig conf; S3L_DrawConfig conf;
@ -81,7 +81,8 @@ uint16_t testRasterization()
numErrors += testTriangleRasterization(5,3, 3,3, 9,3, pixelsEmpty); numErrors += testTriangleRasterization(5,3, 3,3, 9,3, pixelsEmpty);
numErrors += testTriangleRasterization(9,4, 9,0, 9,9, pixelsEmpty); numErrors += testTriangleRasterization(9,4, 9,0, 9,9, pixelsEmpty);
numErrors += testTriangleRasterization(3,3, 6,6, 7,7, pixelsEmpty); numErrors += testTriangleRasterization(3,3, 6,6, 7,7, pixelsEmpty);
numErrors += testTriangleRasterization(5,5, 3,7, 9,1, pixelsEmpty); numErrors += testTriangleRasterization(7,0, 3,3, 0,7, pixelsEmpty);
numErrors += testTriangleRasterization(7,7, 7,7, 7,7, pixelsEmpty);
uint8_t pixels1[TEST_BUFFER_W * TEST_BUFFER_H] = uint8_t pixels1[TEST_BUFFER_W * TEST_BUFFER_H] =
{ {
@ -221,6 +222,102 @@ uint16_t testRasterization()
numErrors += testTriangleRasterization(0,2, 6,0, 4,4, pixels6); numErrors += testTriangleRasterization(0,2, 6,0, 4,4, pixels6);
printf("cover test (each pixel should be covered exactly once):\n\n");
S3L_DrawConfig conf;
conf.backfaceCulling = S3L_BACKFACE_CULLING_NONE;
conf.mode = S3L_MODE_TRIANGLES;
S3L_ScreenCoord coords[] =
{
0,0,
6,0,
13,0,
15,0,
14,1,
11,2,
3,3,
11,4,
14,5,
0,6,
6,6,
13,8,
8,9,
3,12,
9,12,
11,13,
9,14,
0,15,
15,15
};
memset(testRaster,0,TEST_BUFFER_W * TEST_BUFFER_H);
#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)
dt(0,1,6); // 0
dt(1,2,5); // 1
dt(2,4,5); // 2
dt(2,3,4); // 3
dt(0,6,9); // 4
dt(1,10,6); // 5
dt(1,5,10); // 6
dt(5,4,8); // 7
dt(4,3,8); // 8
dt(9,6,10); // 9
dt(10,5,12); // 10
dt(5,7,12); // 11
dt(5,7,11); // 12
dt(5,8,11); // 13
dt(8,3,18); // 14
dt(9,10,13); // 15
dt(10,12,13); // 16
dt(12,7,11); // 17
dt(11,8,18); // 18
dt(9,13,17); // 19
dt(13,12,14); // 20
dt(12,11,14); // 21
dt(11,14,15); // 22
dt(15,11,18); // 23
dt(13,14,16); // 24
dt(14,15,16); // 25
dt(17,13,16); // 26
dt(16,15,18); // 27
dt(16,17,18); // 28
// extra empty triangles
dt(12,12,12);
dt(9,10,10);
dt(1,10,10);
// dt(9,6,1);
dt(0,6,10);
#undef dt
uint16_t numErrors2 = 0;
for (uint8_t y = 0; y < TEST_BUFFER_H - 1; ++y)
{
printf(" ");
for (uint8_t x = 0; x < TEST_BUFFER_W - 1; ++x)
{
uint8_t count = testRaster[y * TEST_BUFFER_W + x];
printf("%d",count);
if (count != 1)
numErrors2++;
}
printf("\n");
}
printf(" errors: %d\n",numErrors2);
numErrors += numErrors2;
printf("total rasterization errors: %d\n",numErrors); printf("total rasterization errors: %d\n",numErrors);
} }