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Clamp texture

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This commit is contained in:
Miloslav Číž 2019-06-08 20:14:14 +02:00
parent 796fc8e76d
commit d71b117fe7
1 changed files with 9 additions and 3 deletions
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12
programs/modelViewer.c
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@ -13,7 +13,7 @@
#define S3L_FLAT 0 #define S3L_FLAT 0
#define S3L_STRICT_NEAR_CULLING 1 #define S3L_STRICT_NEAR_CULLING 1
#define S3L_PERSPECTIVE_CORRECTION 1 #define S3L_PERSPECTIVE_CORRECTION 0
#define S3L_SORT 0 #define S3L_SORT 0
#define S3L_STENCIL_BUFFER 0 #define S3L_STENCIL_BUFFER 0
#define S3L_Z_BUFFER 1 #define S3L_Z_BUFFER 1
@ -89,9 +89,10 @@ static inline void setPixel(int x, int y, uint8_t red, uint8_t green, uint8_t bl
void sampleTexture(int32_t u, int32_t v, uint8_t *r, uint8_t *g, uint8_t *b) void sampleTexture(int32_t u, int32_t v, uint8_t *r, uint8_t *g, uint8_t *b)
{ {
int32_t index = (v * TEXTURE_W + u) * 3; u = S3L_clamp(u,0,TEXTURE_W - 1);
v = S3L_clamp(v,0,TEXTURE_H - 1);
index = S3L_clamp(index,0,TEXTURE_W * TEXTURE_H * 3); int32_t index = (v * TEXTURE_W + u) * 3;
*r = texture[index]; *r = texture[index];
index++; index++;
@ -361,6 +362,8 @@ void draw()
void setModel(uint8_t index) void setModel(uint8_t index)
{ {
printf("Setting model nmber %d.\n",index);
#define modelCase(n,m)\ #define modelCase(n,m)\
case n:\ case n:\
{\ {\
@ -399,6 +402,9 @@ void setModel(uint8_t index)
scene.models[0].config.backfaceCulling = 2; scene.models[0].config.backfaceCulling = 2;
transparency = 0; transparency = 0;
} }
printf("vertices: %d\n",scene.models[0].vertexCount);
printf("triangles: %d\n",scene.models[0].triangleCount);
} }
int16_t fps = 0; int16_t fps = 0;