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Refactor a bit

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This commit is contained in:
Miloslav Číž 2019-06-11 15:45:50 +02:00
parent 3a29d4c679
commit cbd7d50e0e
2 changed files with 17 additions and 12 deletions
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6
programs/demo.c
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@ -12,9 +12,9 @@
#define S3L_FLAT 0
#define S3L_STRICT_NEAR_CULLING 0
#define S3L_PERSPECTIVE_CORRECTION 2
#define S3L_SORT 2
#define S3L_STENCIL_BUFFER 1
#define S3L_Z_BUFFER 0
#define S3L_SORT 0
#define S3L_STENCIL_BUFFER 0
#define S3L_Z_BUFFER 1
#define S3L_PIXEL_FUNCTION drawPixel

23
small3dlib.h
View file

@ -472,7 +472,7 @@ static inline void S3L_initPixelInfo(S3L_PixelInfo *p);
conditions (each fall into <0,S3L_FRACTIONS_PER_UNIT>, sum =
S3L_FRACTIONS_PER_UNIT). Note that doing this per-pixel can slow the program
down significantly. */
static inline void S3LcorrectBarycentricCoords(S3L_Unit barycentric[3]);
static inline void S3L_correctBarycentricCoords(S3L_Unit barycentric[3]);
// general helper functions
static inline S3L_Unit S3L_abs(S3L_Unit value);
@ -555,8 +555,6 @@ void S3L_drawTriangle(
S3L_Vec4 point0,
S3L_Vec4 point1,
S3L_Vec4 point2,
const S3L_DrawConfig *config,
const S3L_Camera *camera,
S3L_Index modelIndex,
S3L_Index triangleIndex);
@ -631,6 +629,8 @@ static inline void S3L_rotate2DPoint(S3L_Unit *x, S3L_Unit *y, S3L_Unit angle);
//=============================================================================
// privates
#define S3L_UNUSED(what) (void)(what) ///< helper macro for unused vars
#define S3L_HALF_RESOLUTION_X (S3L_RESOLUTION_X >> 1)
#define S3L_HALF_RESOLUTION_Y (S3L_RESOLUTION_Y >> 1)
@ -674,6 +674,9 @@ S3L_Unit S3L_zBufferRead(S3L_ScreenCoord x, S3L_ScreenCoord y)
#if S3L_Z_BUFFER
return S3L_zBuffer[y * S3L_RESOLUTION_X + x];
#else
S3L_UNUSED(x);
S3L_UNUSED(y);
return 0;
#endif
}
@ -682,6 +685,10 @@ void S3L_zBufferWrite(S3L_ScreenCoord x, S3L_ScreenCoord y, S3L_Unit value)
{
#if S3L_Z_BUFFER
S3L_zBuffer[y * S3L_RESOLUTION_X + x] = value;
#else
S3L_UNUSED(x);
S3L_UNUSED(y);
S3L_UNUSED(value);
#endif
}
@ -1593,8 +1600,6 @@ void S3L_drawTriangle(
S3L_Vec4 point0,
S3L_Vec4 point1,
S3L_Vec4 point2,
const S3L_DrawConfig *config,
const S3L_Camera *camera,
S3L_Index modelIndex,
S3L_Index triangleIndex)
{
@ -2324,8 +2329,8 @@ void S3L_drawScene(S3L_Scene scene)
{
#if S3L_SORT == 0
// without sorting draw right away
S3L_drawTriangle(transformed0,transformed1,transformed2,
&(model->config),&(scene.camera),modelIndex,triangleIndex);
S3L_drawTriangle(transformed0,transformed1,transformed2,modelIndex,
triangleIndex);
#else
if (S3L_sortArrayLength >= S3L_MAX_TRIANGES_DRAWN)
break;
@ -2406,8 +2411,8 @@ void S3L_drawScene(S3L_Scene scene)
_S3L_projectVertex(model,triangleIndex,2,&matFinal,
&transformed2,scene.camera.focalLength);
S3L_drawTriangle(transformed0,transformed1,transformed2,
&(model->config),&(scene.camera),modelIndex,triangleIndex);
S3L_drawTriangle(transformed0,transformed1,transformed2,modelIndex,
triangleIndex);
}
#endif
}