int startx; // usable range (according to pixelmask)
int endx; // usable range (according to pixelmask)
unsigned char *pixelmask; // true for pixels that passed depth test, false for others
+ int depthbase; // depthbuffer value at x (add depthslope*startx to get first pixel's depthbuffer value)
+ int depthslope; // depthbuffer value pixel delta
}
DPSOFTRAST_State_Span);
#define DPSOFTRAST_DRAW_MAXSPANS 1024
#define DPSOFTRAST_DRAW_MAXTRIANGLES 128
+#define DPSOFTRAST_DRAW_MAXSPANLENGTH 256
#define DPSOFTRAST_VALIDATE_FB 1
#define DPSOFTRAST_VALIDATE_DEPTHFUNC 2
int scissor[4];
float depthrange[2];
float polygonoffset[2];
+ float clipplane[4];
+ ALIGN(float fb_clipplane[4]);
int shader_mode;
int shader_permutation;
int numtriangles;
DPSOFTRAST_State_Span spans[DPSOFTRAST_DRAW_MAXSPANS];
DPSOFTRAST_State_Triangle triangles[DPSOFTRAST_DRAW_MAXTRIANGLES];
+ unsigned char pixelmaskarray[DPSOFTRAST_DRAW_MAXSPANLENGTH+4]; // LordHavoc: padded to allow some termination bytes
}
DPSOFTRAST_State_Thread);
#define DPSOFTRAST_DEPTHOFFSET (128.0f)
#define DPSOFTRAST_BGRA8_FROM_RGBA32F(r,g,b,a) (((int)(r * 255.0f + 0.5f) << 16) | ((int)(g * 255.0f + 0.5f) << 8) | (int)(b * 255.0f + 0.5f) | ((int)(a * 255.0f + 0.5f) << 24))
#define DPSOFTRAST_DEPTH32_FROM_DEPTH32F(d) ((int)(DPSOFTRAST_DEPTHSCALE * (1-d)))
-#define DPSOFTRAST_DRAW_MAXSPANLENGTH 256
+
+static void DPSOFTRAST_Draw_DepthTest(DPSOFTRAST_State_Thread *thread, DPSOFTRAST_State_Span *span);
+static void DPSOFTRAST_Draw_DepthWrite(const DPSOFTRAST_State_Thread *thread, const DPSOFTRAST_State_Span *span);
static void DPSOFTRAST_RecalcViewport(const int *viewport, float *fb_viewportcenter, float *fb_viewportscale)
{
}
}
+static void DPSOFTRAST_RecalcClipPlane(DPSOFTRAST_State_Thread *thread)
+{
+ thread->fb_clipplane[0] = thread->clipplane[0] / thread->fb_viewportscale[1];
+ thread->fb_clipplane[1] = thread->clipplane[1] / thread->fb_viewportscale[2];
+ thread->fb_clipplane[2] = thread->clipplane[2] / thread->fb_viewportscale[3];
+ thread->fb_clipplane[3] = thread->clipplane[3] / thread->fb_viewportscale[0];
+ thread->fb_clipplane[3] -= thread->fb_viewportcenter[1]*thread->fb_clipplane[0] + thread->fb_viewportcenter[2]*thread->fb_clipplane[1] + thread->fb_viewportcenter[3]*thread->fb_clipplane[2] + thread->fb_viewportcenter[0]*thread->fb_clipplane[3];
+}
+
static void DPSOFTRAST_RecalcFB(DPSOFTRAST_State_Thread *thread)
{
// calculate framebuffer scissor, viewport, viewport clipped by scissor,
thread->fb_scissor[3] = y2 - y1;
DPSOFTRAST_RecalcViewport(thread->viewport, thread->fb_viewportcenter, thread->fb_viewportscale);
+ DPSOFTRAST_RecalcClipPlane(thread);
DPSOFTRAST_RecalcThread(thread);
}
dpsoftrast.uniform1i[command->index] = i0;
}
+DEFCOMMAND(24, ClipPlane, float clipplane[4];)
+static void DPSOFTRAST_Interpret_ClipPlane(DPSOFTRAST_State_Thread *thread, DPSOFTRAST_Command_ClipPlane *command)
+{
+ memcpy(thread->clipplane, command->clipplane, 4*sizeof(float));
+ thread->validate |= DPSOFTRAST_VALIDATE_FB;
+}
+void DPSOFTRAST_ClipPlane(float x, float y, float z, float w)
+{
+ DPSOFTRAST_Command_ClipPlane *command = DPSOFTRAST_ALLOCATECOMMAND(ClipPlane);
+ command->clipplane[0] = x;
+ command->clipplane[1] = y;
+ command->clipplane[2] = z;
+ command->clipplane[3] = w;
+}
+
#ifdef SSE_POSSIBLE
static void DPSOFTRAST_Load4fTo4f(float *dst, const unsigned char *src, int size, int stride)
{
float wslope = triangle->w[0];
float w = triangle->w[2] + span->x*wslope + span->y*triangle->w[1];
float endz = 1.0f / (w + wslope * startx);
+ if (triangle->w[0] == 0)
+ {
+ // LordHavoc: fast flat polygons (HUD/menu)
+ for (x = startx;x < endx;x++)
+ zf[x] = endz;
+ return;
+ }
for (x = startx;x < endx;)
{
int nextsub = x + DPSOFTRAST_DRAW_MAXSUBSPAN, endsub = nextsub - 1;
}
}
-void DPSOFTRAST_Draw_Span_Finish(DPSOFTRAST_State_Thread *thread, const DPSOFTRAST_State_Triangle * RESTRICT triangle, const DPSOFTRAST_State_Span * RESTRICT span, const float * RESTRICT in4f)
+void DPSOFTRAST_Draw_Span_FinishBGRA8(DPSOFTRAST_State_Thread *thread, const DPSOFTRAST_State_Triangle * RESTRICT triangle, const DPSOFTRAST_State_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
{
+#ifdef SSE_POSSIBLE
int x;
int startx = span->startx;
int endx = span->endx;
- int d[4];
- float a, b;
+ int subx;
+ const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
unsigned char * RESTRICT pixelmask = span->pixelmask;
unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
+ unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
if (!pixel)
return;
pixel += (span->y * dpsoftrast.fb_width + span->x) * 4;
+ pixeli += span->y * dpsoftrast.fb_width + span->x;
// handle alphatest now (this affects depth writes too)
if (thread->alphatest)
for (x = startx;x < endx;x++)
- if (in4f[x*4+3] < 0.5f)
+ if (in4ub[x*4+3] < 128)
pixelmask[x] = false;
- // FIXME: this does not handle bigendian
+ // LordHavoc: clear pixelmask for some pixels in alphablend cases, this
+ // helps sprites, text and hud artwork
switch(thread->fb_blendmode)
{
- case DPSOFTRAST_BLENDMODE_OPAQUE:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*255.0f);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*255.0f);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*255.0f);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*255.0f);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
case DPSOFTRAST_BLENDMODE_ALPHA:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = in4f[x*4+3] * 255.0f;
- b = 1.0f - in4f[x*4+3];
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
case DPSOFTRAST_BLENDMODE_ADDALPHA:
+ case DPSOFTRAST_BLENDMODE_SUBALPHA:
for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = in4f[x*4+3] * 255.0f;
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
+ if (in4ub[x*4+3] < 1)
+ pixelmask[x] = false;
break;
+ case DPSOFTRAST_BLENDMODE_OPAQUE:
case DPSOFTRAST_BLENDMODE_ADD:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*255.0f+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*255.0f+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*255.0f+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*255.0f+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
case DPSOFTRAST_BLENDMODE_INVMOD:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)((1.0f-in4f[x*4+2])*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((1.0f-in4f[x*4+1])*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((1.0f-in4f[x*4+0])*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)((1.0f-in4f[x*4+3])*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
case DPSOFTRAST_BLENDMODE_MUL:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
case DPSOFTRAST_BLENDMODE_MUL2:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)(in4f[x*4+2]*pixel[x*4+0]*2.0f);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*pixel[x*4+1]*2.0f);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*pixel[x*4+2]*2.0f);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*pixel[x*4+3]*2.0f);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
- case DPSOFTRAST_BLENDMODE_SUBALPHA:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = in4f[x*4+3] * -255.0f;
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]);if (d[0] > 255) d[0] = 255;if (d[0] < 0) d[0] = 0;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]);if (d[1] > 255) d[1] = 255;if (d[1] < 0) d[1] = 0;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]);if (d[2] > 255) d[2] = 255;if (d[2] < 0) d[2] = 0;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]);if (d[3] > 255) d[3] = 255;if (d[3] < 0) d[3] = 0;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- a = 255.0f;
- b = 1.0f - in4f[x*4+3];
- d[0] = (int)(in4f[x*4+2]*a+pixel[x*4+0]*b);if (d[0] > 255) d[0] = 255;
- d[1] = (int)(in4f[x*4+1]*a+pixel[x*4+1]*b);if (d[1] > 255) d[1] = 255;
- d[2] = (int)(in4f[x*4+0]*a+pixel[x*4+2]*b);if (d[2] > 255) d[2] = 255;
- d[3] = (int)(in4f[x*4+3]*a+pixel[x*4+3]*b);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
- break;
case DPSOFTRAST_BLENDMODE_INVADD:
- for (x = startx;x < endx;x++)
- {
- if (!pixelmask[x])
- continue;
- d[0] = (int)((255.0f-pixel[x*4+2])*in4f[x*4+0] + pixel[x*4+2]);if (d[0] > 255) d[0] = 255;
- d[1] = (int)((255.0f-pixel[x*4+1])*in4f[x*4+1] + pixel[x*4+1]);if (d[1] > 255) d[1] = 255;
- d[2] = (int)((255.0f-pixel[x*4+0])*in4f[x*4+2] + pixel[x*4+0]);if (d[2] > 255) d[2] = 255;
- d[3] = (int)((255.0f-pixel[x*4+3])*in4f[x*4+3] + pixel[x*4+3]);if (d[3] > 255) d[3] = 255;
- pixel[x*4+0] = d[0];
- pixel[x*4+1] = d[1];
- pixel[x*4+2] = d[2];
- pixel[x*4+3] = d[3];
- }
break;
}
-}
-
-void DPSOFTRAST_Draw_Span_FinishBGRA8(DPSOFTRAST_State_Thread *thread, const DPSOFTRAST_State_Triangle * RESTRICT triangle, const DPSOFTRAST_State_Span * RESTRICT span, const unsigned char* RESTRICT in4ub)
-{
-#ifdef SSE_POSSIBLE
- int x;
- int startx = span->startx;
- int endx = span->endx;
- const unsigned int * RESTRICT ini = (const unsigned int *)in4ub;
- unsigned char * RESTRICT pixelmask = span->pixelmask;
- unsigned char * RESTRICT pixel = (unsigned char *)dpsoftrast.fb_colorpixels[0];
- unsigned int * RESTRICT pixeli = (unsigned int *)dpsoftrast.fb_colorpixels[0];
- if (!pixel)
- return;
- pixel += (span->y * dpsoftrast.fb_width + span->x) * 4;
- pixeli += span->y * dpsoftrast.fb_width + span->x;
- // handle alphatest now (this affects depth writes too)
- if (thread->alphatest)
- for (x = startx;x < endx;x++)
- if (in4ub[x*4+3] < 0.5f)
- pixelmask[x] = false;
- // FIXME: this does not handle bigendian
- switch(thread->fb_blendmode)
+ // put some special values at the end of the mask to ensure the loops end
+ pixelmask[endx] = 1;
+ pixelmask[endx+1] = 0;
+ // LordHavoc: use a double loop to identify subspans, this helps the
+ // optimized copy/blend loops to perform at their best, most triangles
+ // have only one run of pixels, and do the search using wide reads...
+ x = startx;
+ while (x < endx)
{
- case DPSOFTRAST_BLENDMODE_OPAQUE:
- for (x = startx;x + 4 <= endx;)
+ // if this pixel is masked off, it's probably not alone...
+ if (!pixelmask[x])
{
- if (*(const unsigned int *)&pixelmask[x] == 0x01010101)
+ x++;
+#if 1
+ if (x + 8 < endx)
{
- _mm_storeu_si128((__m128i *)&pixeli[x], _mm_loadu_si128((const __m128i *)&ini[x]));
- x += 4;
+ // the 4-item search must be aligned or else it stalls badly
+ if ((x & 3) && !pixelmask[x])
+ {
+ if(pixelmask[x]) goto endmasked;
+ x++;
+ if (x & 3)
+ {
+ if(pixelmask[x]) goto endmasked;
+ x++;
+ if (x & 3)
+ {
+ if(pixelmask[x]) goto endmasked;
+ x++;
+ }
+ }
+ }
+ while (*(unsigned int *)&pixelmask[x] == 0x00000000)
+ x += 4;
+ }
+#endif
+ for (;!pixelmask[x];x++)
+ ;
+ // rather than continue the loop, just check the end variable
+ if (x >= endx)
+ break;
+ }
+ endmasked:
+ // find length of subspan
+ subx = x + 1;
+#if 1
+ if (subx + 8 < endx)
+ {
+ if (subx & 3)
+ {
+ if(!pixelmask[subx]) goto endunmasked;
+ subx++;
+ if (subx & 3)
+ {
+ if(!pixelmask[subx]) goto endunmasked;
+ subx++;
+ if (subx & 3)
+ {
+ if(!pixelmask[subx]) goto endunmasked;
+ subx++;
+ }
+ }
+ }
+ while (*(unsigned int *)&pixelmask[subx] == 0x01010101)
+ subx += 4;
+ }
+#endif
+ for (;pixelmask[subx];subx++)
+ ;
+ // the checks can overshoot, so make sure to clip it...
+ if (subx > endx)
+ subx = endx;
+ endunmasked:
+ // now that we know the subspan length... process!
+ switch(thread->fb_blendmode)
+ {
+ case DPSOFTRAST_BLENDMODE_OPAQUE:
+#if 0
+ if (subx - x >= 16)
+ {
+ memcpy(pixeli + x, ini + x, (subx - x) * sizeof(pixeli[x]));
+ x = subx;
}
else
+#elif 1
+ while (x + 16 <= subx)
+ {
+ _mm_storeu_si128((__m128i *)&pixeli[x], _mm_loadu_si128((const __m128i *)&ini[x]));
+ _mm_storeu_si128((__m128i *)&pixeli[x+4], _mm_loadu_si128((const __m128i *)&ini[x+4]));
+ _mm_storeu_si128((__m128i *)&pixeli[x+8], _mm_loadu_si128((const __m128i *)&ini[x+8]));
+ _mm_storeu_si128((__m128i *)&pixeli[x+12], _mm_loadu_si128((const __m128i *)&ini[x+12]));
+ x += 16;
+ }
+#endif
{
- if (pixelmask[x])
+ while (x + 4 <= subx)
+ {
+ _mm_storeu_si128((__m128i *)&pixeli[x], _mm_loadu_si128((const __m128i *)&ini[x]));
+ x += 4;
+ }
+ if (x + 2 <= subx)
+ {
+ pixeli[x] = ini[x];
+ pixeli[x+1] = ini[x+1];
+ x += 2;
+ }
+ if (x < subx)
+ {
pixeli[x] = ini[x];
- x++;
+ x++;
+ }
}
- }
- for (;x < endx;x++)
- if (pixelmask[x])
- pixeli[x] = ini[x];
- break;
- case DPSOFTRAST_BLENDMODE_ALPHA:
- #define FINISHBLEND(blend2, blend1) \
- for (x = startx;x + 1 < endx;x += 2) \
- { \
- __m128i src, dst; \
- switch (*(const unsigned short*)&pixelmask[x]) \
+ break;
+ case DPSOFTRAST_BLENDMODE_ALPHA:
+ #define FINISHBLEND(blend2, blend1) \
+ for (;x + 1 < subx;x += 2) \
{ \
- case 0x0101: \
+ __m128i src, dst; \
src = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&ini[x]), _mm_setzero_si128()); \
dst = _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)&pixeli[x]), _mm_setzero_si128()); \
blend2; \
_mm_storel_epi64((__m128i *)&pixeli[x], _mm_packus_epi16(dst, dst)); \
- continue; \
- case 0x0100: \
- src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x+1]), _mm_setzero_si128()); \
- dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x+1]), _mm_setzero_si128()); \
- blend1; \
- pixeli[x+1] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \
- continue; \
- case 0x0001: \
+ } \
+ if (x < subx) \
+ { \
+ __m128i src, dst; \
src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x]), _mm_setzero_si128()); \
dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x]), _mm_setzero_si128()); \
blend1; \
pixeli[x] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \
- continue; \
- } \
- break; \
- } \
- for(;x < endx; x++) \
- { \
- __m128i src, dst; \
- if (!pixelmask[x]) \
- continue; \
- src = _mm_unpacklo_epi8(_mm_cvtsi32_si128(ini[x]), _mm_setzero_si128()); \
- dst = _mm_unpacklo_epi8(_mm_cvtsi32_si128(pixeli[x]), _mm_setzero_si128()); \
- blend1; \
- pixeli[x] = _mm_cvtsi128_si32(_mm_packus_epi16(dst, dst)); \
+ x++; \
+ }
+ FINISHBLEND({
+ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4)));
+ }, {
+ __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4)));
+ });
+ break;
+ case DPSOFTRAST_BLENDMODE_ADDALPHA:
+ FINISHBLEND({
+ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
+ }, {
+ __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
+ });
+ break;
+ case DPSOFTRAST_BLENDMODE_ADD:
+ FINISHBLEND({ dst = _mm_add_epi16(src, dst); }, { dst = _mm_add_epi16(src, dst); });
+ break;
+ case DPSOFTRAST_BLENDMODE_INVMOD:
+ FINISHBLEND({
+ dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8));
+ }, {
+ dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8));
+ });
+ break;
+ case DPSOFTRAST_BLENDMODE_MUL:
+ FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); });
+ break;
+ case DPSOFTRAST_BLENDMODE_MUL2:
+ FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); });
+ break;
+ case DPSOFTRAST_BLENDMODE_SUBALPHA:
+ FINISHBLEND({
+ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
+ }, {
+ __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
+ });
+ break;
+ case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
+ FINISHBLEND({
+ __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8)));
+ }, {
+ __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
+ dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8)));
+ });
+ break;
+ case DPSOFTRAST_BLENDMODE_INVADD:
+ FINISHBLEND({
+ dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(_mm_set1_epi16(255), dst), 4), _mm_slli_epi16(src, 4)));
+ }, {
+ dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(_mm_set1_epi16(255), dst), 4), _mm_slli_epi16(src, 4)));
+ });
+ break;
}
-
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4)));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(src, dst), 4), _mm_slli_epi16(blend, 4)));
- });
- break;
- case DPSOFTRAST_BLENDMODE_ADDALPHA:
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- });
- break;
- case DPSOFTRAST_BLENDMODE_ADD:
- FINISHBLEND({ dst = _mm_add_epi16(src, dst); }, { dst = _mm_add_epi16(src, dst); });
- break;
- case DPSOFTRAST_BLENDMODE_INVMOD:
- FINISHBLEND({
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8));
- }, {
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, src), 8));
- });
- break;
- case DPSOFTRAST_BLENDMODE_MUL:
- FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 8); });
- break;
- case DPSOFTRAST_BLENDMODE_MUL2:
- FINISHBLEND({ dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); }, { dst = _mm_srli_epi16(_mm_mullo_epi16(src, dst), 7); });
- break;
- case DPSOFTRAST_BLENDMODE_SUBALPHA:
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(src, blend), 8));
- });
- break;
- case DPSOFTRAST_BLENDMODE_PSEUDOALPHA:
- FINISHBLEND({
- __m128i blend = _mm_shufflehi_epi16(_mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3)), _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8)));
- }, {
- __m128i blend = _mm_shufflelo_epi16(src, _MM_SHUFFLE(3, 3, 3, 3));
- dst = _mm_add_epi16(src, _mm_sub_epi16(dst, _mm_srli_epi16(_mm_mullo_epi16(dst, blend), 8)));
- });
- break;
- case DPSOFTRAST_BLENDMODE_INVADD:
- FINISHBLEND({
- dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(_mm_set1_epi16(255), dst), 4), _mm_slli_epi16(src, 4)));
- }, {
- dst = _mm_add_epi16(dst, _mm_mulhi_epi16(_mm_slli_epi16(_mm_sub_epi16(_mm_set1_epi16(255), dst), 4), _mm_slli_epi16(src, 4)));
- });
- break;
}
#endif
}
tcimax[1] = texture->mipmap[mip][3]-1;
tciwrapmask[0] = texture->mipmap[mip][2]-1;
tciwrapmask[1] = texture->mipmap[mip][3]-1;
- endtc[0] = (data[0] + slope[0]*startx) * zf[startx] * tcscale[0] - 0.5f;
- endtc[1] = (data[1] + slope[1]*startx) * zf[startx] * tcscale[1] - 0.5f;
+ endtc[0] = (data[0] + slope[0]*startx) * zf[startx] * tcscale[0];
+ endtc[1] = (data[1] + slope[1]*startx) * zf[startx] * tcscale[1];
+ if (filter)
+ {
+ endtc[0] -= 0.5f;
+ endtc[1] -= 0.5f;
+ }
for (x = startx;x < endx;)
{
unsigned int subtc[2];
}
tc[0] = endtc[0];
tc[1] = endtc[1];
- endtc[0] = (data[0] + slope[0]*nextsub) * zf[nextsub] * tcscale[0] - 0.5f;
- endtc[1] = (data[1] + slope[1]*nextsub) * zf[nextsub] * tcscale[1] - 0.5f;
+ endtc[0] = (data[0] + slope[0]*nextsub) * zf[nextsub] * tcscale[0];
+ endtc[1] = (data[1] + slope[1]*nextsub) * zf[nextsub] * tcscale[1];
+ if (filter)
+ {
+ endtc[0] -= 0.5f;
+ endtc[1] -= 0.5f;
+ }
substep[0] = (endtc[0] - tc[0]) * subscale;
substep[1] = (endtc[1] - tc[1]) * subscale;
subtc[0] = tc[0] * (1<<12);
__m128i subtc, substep, endsubtc;
int filter;
int mip;
+ int affine; // LordHavoc: optimized affine texturing case
unsigned int * RESTRICT outi = (unsigned int *)out4ub;
const unsigned char * RESTRICT pixelbase;
DPSOFTRAST_Texture *texture = thread->texbound[texunitindex];
outi[x] = k;
return;
}
+ affine = zf[startx] == zf[endx-1];
filter = texture->filter & DPSOFTRAST_TEXTURE_FILTER_LINEAR;
DPSOFTRAST_CALCATTRIB(triangle, span, data, slope, arrayindex);
flags = texture->flags;
tcscale = _mm_cvtepi32_ps(tcsize);
data = _mm_mul_ps(_mm_movelh_ps(data, data), tcscale);
slope = _mm_mul_ps(_mm_movelh_ps(slope, slope), tcscale);
- endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))), _mm_load1_ps(&zf[startx])), _mm_set1_ps(0.5f));
+ endtc = _mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(startx))), _mm_load1_ps(&zf[startx]));
+ if (filter)
+ endtc = _mm_sub_ps(endtc, _mm_set1_ps(0.5f));
endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
tcoffset = _mm_add_epi32(_mm_slli_epi32(_mm_shuffle_epi32(tcsize, _MM_SHUFFLE(0, 0, 0, 0)), 18), _mm_set1_epi32(4));
tcmax = _mm_packs_epi32(tcmask, tcmask);
{
int nextsub = x + DPSOFTRAST_DRAW_MAXSUBSPAN, endsub = nextsub - 1;
__m128 subscale = _mm_set1_ps(65536.0f/DPSOFTRAST_DRAW_MAXSUBSPAN);
- if (nextsub >= endx)
+ if (nextsub >= endx || affine)
{
nextsub = endsub = endx-1;
if (x < nextsub) subscale = _mm_set1_ps(65536.0f / (nextsub - x));
}
tc = endtc;
subtc = endsubtc;
- endtc = _mm_sub_ps(_mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(nextsub))), _mm_load1_ps(&zf[nextsub])), _mm_set1_ps(0.5f));
+ endtc = _mm_mul_ps(_mm_add_ps(data, _mm_mul_ps(slope, _mm_set1_ps(nextsub))), _mm_load1_ps(&zf[nextsub]));
+ if (filter)
+ endtc = _mm_sub_ps(endtc, _mm_set1_ps(0.5f));
substep = _mm_cvtps_epi32(_mm_mul_ps(_mm_sub_ps(endtc, tc), subscale));
endsubtc = _mm_cvtps_epi32(_mm_mul_ps(endtc, _mm_set1_ps(65536.0f)));
subtc = _mm_unpacklo_epi64(subtc, _mm_add_epi32(subtc, substep));
// " vec2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n"
iw = 1.0f / (ModelViewProjectionPositiondata[3] + ModelViewProjectionPositionslope[3]*x); // / z
-
+
// " vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
SafeScreenTexCoord[0] = (ModelViewProjectionPositiondata[0] + ModelViewProjectionPositionslope[0]*x) * iw * ScreenScaleRefractReflect[0] + ScreenCenterRefractReflect[0]; // * z (disappears)
SafeScreenTexCoord[1] = (ModelViewProjectionPositiondata[1] + ModelViewProjectionPositionslope[1]*x) * iw * ScreenScaleRefractReflect[1] + ScreenCenterRefractReflect[1]; // * z (disappears)
}
else
{
- int tci[2] = { ScreenTexCoord[0] * texture->mipmap[0][2] - 0.5f, ScreenTexCoord[1] * texture->mipmap[0][3] - 0.5f };
+ int tci[2] = { ScreenTexCoord[0] * texture->mipmap[0][2], ScreenTexCoord[1] * texture->mipmap[0][3] };
tci[0] = tci[0] >= 0 ? (tci[0] <= texture->mipmap[0][2]-1 ? tci[0] : texture->mipmap[0][2]-1) : 0;
tci[1] = tci[1] >= 0 ? (tci[1] <= texture->mipmap[0][3]-1 ? tci[1] : texture->mipmap[0][3]-1) : 0;
pixel[0] = pixelbase + 4 * (tci[1]*texture->mipmap[0][2]+tci[0]);
{2, DPSOFTRAST_VertexShader_DeferredLightSource, DPSOFTRAST_PixelShader_DeferredLightSource, {~0}},
};
-void DPSOFTRAST_Draw_ProcessSpans(DPSOFTRAST_State_Thread *thread)
+static void DPSOFTRAST_Draw_DepthTest(DPSOFTRAST_State_Thread *thread, DPSOFTRAST_State_Span *span)
{
- int i;
int x;
int startx;
int endx;
-// unsigned int c;
-// unsigned int *colorpixel;
unsigned int *depthpixel;
- float w;
- float wslope;
int depth;
int depthslope;
unsigned int d;
+ unsigned char *pixelmask;
+ DPSOFTRAST_State_Triangle *triangle;
+ triangle = &thread->triangles[span->triangle];
+ depthpixel = dpsoftrast.fb_depthpixels + span->y * dpsoftrast.fb_width + span->x;
+ startx = span->startx;
+ endx = span->endx;
+ depth = span->depthbase;
+ depthslope = span->depthslope;
+ pixelmask = thread->pixelmaskarray;
+ if (thread->depthtest && dpsoftrast.fb_depthpixels)
+ {
+ switch(thread->fb_depthfunc)
+ {
+ default:
+ case GL_ALWAYS: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = true; break;
+ case GL_LESS: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
+ case GL_LEQUAL: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
+ case GL_EQUAL: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
+ case GL_GEQUAL: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
+ case GL_GREATER: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
+ case GL_NEVER: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = false; break;
+ }
+ while (startx < endx && !pixelmask[startx])
+ startx++;
+ while (endx > startx && !pixelmask[endx-1])
+ endx--;
+ }
+ else
+ {
+ // no depth testing means we're just dealing with color...
+ memset(pixelmask + startx, 1, endx - startx);
+ }
+ span->pixelmask = pixelmask;
+ span->startx = startx;
+ span->endx = endx;
+}
+
+static void DPSOFTRAST_Draw_DepthWrite(const DPSOFTRAST_State_Thread *thread, const DPSOFTRAST_State_Span *span)
+{
+ int x, d, depth, depthslope, startx, endx;
+ const unsigned char *pixelmask;
+ unsigned int *depthpixel;
+ if (thread->depthmask && thread->depthtest && dpsoftrast.fb_depthpixels)
+ {
+ depth = span->depthbase;
+ depthslope = span->depthslope;
+ pixelmask = span->pixelmask;
+ startx = span->startx;
+ endx = span->endx;
+ depthpixel = dpsoftrast.fb_depthpixels + span->y * dpsoftrast.fb_width + span->x;
+ for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope)
+ if (pixelmask[x])
+ depthpixel[x] = d;
+ }
+}
+
+void DPSOFTRAST_Draw_ProcessSpans(DPSOFTRAST_State_Thread *thread)
+{
+ int i;
DPSOFTRAST_State_Triangle *triangle;
DPSOFTRAST_State_Span *span;
- unsigned char pixelmask[DPSOFTRAST_DRAW_MAXSPANLENGTH];
for (i = 0; i < thread->numspans; i++)
{
span = &thread->spans[i];
triangle = &thread->triangles[span->triangle];
- if (thread->depthtest && dpsoftrast.fb_depthpixels)
- {
- wslope = triangle->w[0];
- w = triangle->w[2] + span->x*wslope + span->y*triangle->w[1];
- depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
- depth = (int)(w*DPSOFTRAST_DEPTHSCALE - DPSOFTRAST_DEPTHOFFSET*(thread->polygonoffset[1] + fabs(wslope)*thread->polygonoffset[0]));
- depthpixel = dpsoftrast.fb_depthpixels + span->y * dpsoftrast.fb_width + span->x;
- startx = span->startx;
- endx = span->endx;
- switch(thread->fb_depthfunc)
- {
- default:
- case GL_ALWAYS: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = true; break;
- case GL_LESS: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] < d; break;
- case GL_LEQUAL: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] <= d; break;
- case GL_EQUAL: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] == d; break;
- case GL_GEQUAL: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] >= d; break;
- case GL_GREATER: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = depthpixel[x] > d; break;
- case GL_NEVER: for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope) pixelmask[x] = false; break;
- }
- //colorpixel = dpsoftrast.fb_colorpixels[0] + (span->y * dpsoftrast.fb_width + span->x) * 4;;
- //for (x = startx;x < endx;x++)
- // colorpixel[x] = (depthpixel[x] & 0xFF000000) ? (0x00FF0000) : (depthpixel[x] & 0x00FF0000);
- // if there is no color buffer, skip pixel shader
- while (startx < endx && !pixelmask[startx])
- startx++;
- while (endx > startx && !pixelmask[endx-1])
- endx--;
- if (startx >= endx)
- continue; // no pixels to fill
- span->pixelmask = pixelmask;
- span->startx = startx;
- span->endx = endx;
- // run pixel shader if appropriate
- // do this before running depthmask code, to allow the pixelshader
- // to clear pixelmask values for alpha testing
- if (dpsoftrast.fb_colorpixels[0] && thread->fb_colormask)
- DPSOFTRAST_ShaderModeTable[thread->shader_mode].Span(thread, triangle, span);
- if (thread->depthmask)
- for (x = startx, d = depth + depthslope*startx;x < endx;x++, d += depthslope)
- if (pixelmask[x])
- depthpixel[x] = d;
- }
- else
- {
- // no depth testing means we're just dealing with color...
- // if there is no color buffer, skip pixel shader
- if (dpsoftrast.fb_colorpixels[0] && thread->fb_colormask)
- {
- memset(pixelmask + span->startx, 1, span->endx - span->startx);
- span->pixelmask = pixelmask;
- DPSOFTRAST_ShaderModeTable[thread->shader_mode].Span(thread, triangle, span);
- }
- }
+ DPSOFTRAST_Draw_DepthTest(thread, span);
+ if (span->startx >= span->endx)
+ continue;
+ // run pixel shader if appropriate
+ // do this before running depthmask code, to allow the pixelshader
+ // to clear pixelmask values for alpha testing
+ if (dpsoftrast.fb_colorpixels[0] && thread->fb_colormask)
+ DPSOFTRAST_ShaderModeTable[thread->shader_mode].Span(thread, triangle, span);
+ DPSOFTRAST_Draw_DepthWrite(thread, span);
}
thread->numspans = 0;
}
int numpoints;
int clipcase;
float clipdist[4];
+ float clip0origin, clip0slope;
+ int clip0dir;
__m128 triangleedge1, triangleedge2, trianglenormal;
__m128 clipfrac[3];
__m128 screen[4];
_mm_store_ss(&triangle->w[0], attribxslope);
_mm_store_ss(&triangle->w[1], attribyslope);
_mm_store_ss(&triangle->w[2], attriborigin);
+
+ clip0origin = 0;
+ clip0slope = 0;
+ clip0dir = 0;
+ if(thread->fb_clipplane[0] || thread->fb_clipplane[1] || thread->fb_clipplane[2])
+ {
+ float cliporigin, clipxslope, clipyslope;
+ attriborigin = _mm_shuffle_ps(screen[1], screen[1], _MM_SHUFFLE(2, 2, 2, 2));
+ attribedge1 = _mm_sub_ss(_mm_shuffle_ps(screen[0], screen[0], _MM_SHUFFLE(2, 2, 2, 2)), attriborigin);
+ attribedge2 = _mm_sub_ss(_mm_shuffle_ps(screen[2], screen[2], _MM_SHUFFLE(2, 2, 2, 2)), attriborigin);
+ attribxslope = _mm_sub_ss(_mm_mul_ss(attribuxslope, attribedge1), _mm_mul_ss(attribvxslope, attribedge2));
+ attribyslope = _mm_sub_ss(_mm_mul_ss(attribvyslope, attribedge2), _mm_mul_ss(attribuyslope, attribedge1));
+ attriborigin = _mm_sub_ss(attriborigin, _mm_add_ss(_mm_mul_ss(attribxslope, x1), _mm_mul_ss(attribyslope, y1)));
+ cliporigin = _mm_cvtss_f32(attriborigin)*thread->fb_clipplane[2] + thread->fb_clipplane[3];
+ clipxslope = thread->fb_clipplane[0] + _mm_cvtss_f32(attribxslope)*thread->fb_clipplane[2];
+ clipyslope = thread->fb_clipplane[1] + _mm_cvtss_f32(attribyslope)*thread->fb_clipplane[2];
+ if(clipxslope != 0)
+ {
+ clip0origin = -cliporigin/clipxslope;
+ clip0slope = -clipyslope/clipxslope;
+ clip0dir = clipxslope > 0 ? 1 : -1;
+ }
+ else if(clipyslope > 0)
+ {
+ clip0origin = dpsoftrast.fb_width*floor(cliporigin/clipyslope);
+ clip0slope = dpsoftrast.fb_width;
+ clip0dir = -1;
+ }
+ else if(clipyslope < 0)
+ {
+ clip0origin = dpsoftrast.fb_width*ceil(cliporigin/clipyslope);
+ clip0slope = -dpsoftrast.fb_width;
+ clip0dir = -1;
+ }
+ else if(clip0origin < 0) continue;
+ }
+
mipedgescale = _mm_setzero_ps();
for (j = 0;j < DPSOFTRAST_ARRAY_TOTAL; j++)
{
int yccmask = _mm_movemask_epi8(ycc);
int edge0p, edge0n, edge1p, edge1n;
int nexty;
+ float w, wslope;
+ float clip0;
if (numpoints == 4)
{
switch(yccmask)
xcoords = _mm_shuffle_ps(xcoords, xcoords, _MM_SHUFFLE(1, 0, 3, 2));
xslope = _mm_shuffle_ps(xslope, xslope, _MM_SHUFFLE(1, 0, 3, 2));
}
- for(; y <= nexty; y++, xcoords = _mm_add_ps(xcoords, xslope))
+ clip0 = clip0origin + (y+0.5f)*clip0slope + 0.5f;
+ for(; y <= nexty; y++, xcoords = _mm_add_ps(xcoords, xslope), clip0 += clip0slope)
{
int startx, endx, offset;
startx = _mm_cvtss_si32(xcoords);
endx = _mm_cvtss_si32(_mm_movehl_ps(xcoords, xcoords));
- if (startx < minx)
- {
- if (startx < 0) startx = 0;
- startx += (minx-startx)&~(DPSOFTRAST_DRAW_MAXSPANLENGTH-1);
- }
+ if (startx < minx) startx = minx;
if (endx > maxx) endx = maxx;
if (startx >= endx) continue;
+
+ if (clip0dir)
+ {
+ if (clip0dir > 0)
+ {
+ if (startx < clip0)
+ {
+ if(endx <= clip0) continue;
+ startx = (int)clip0;
+ }
+ }
+ else if (endx > clip0)
+ {
+ if(startx >= clip0) continue;
+ endx = (int)clip0;
+ }
+ }
+
for (offset = startx; offset < endx;offset += DPSOFTRAST_DRAW_MAXSPANLENGTH)
{
DPSOFTRAST_State_Span *span = &thread->spans[thread->numspans];
span->triangle = thread->numtriangles;
span->x = offset;
span->y = y;
- span->startx = max(minx - offset, 0);
+ span->startx = 0;
span->endx = min(endx - offset, DPSOFTRAST_DRAW_MAXSPANLENGTH);
if (span->startx >= span->endx)
- continue;
+ continue;
+ wslope = triangle->w[0];
+ w = triangle->w[2] + span->x*wslope + span->y*triangle->w[1];
+ span->depthslope = (int)(wslope*DPSOFTRAST_DEPTHSCALE);
+ span->depthbase = (int)(w*DPSOFTRAST_DEPTHSCALE - DPSOFTRAST_DEPTHOFFSET*(thread->polygonoffset[1] + fabs(wslope)*thread->polygonoffset[0]));
if (++thread->numspans >= DPSOFTRAST_DRAW_MAXSPANS)
DPSOFTRAST_Draw_ProcessSpans(thread);
}
INTERPCOMMAND(UniformMatrix4f)
INTERPCOMMAND(Uniform1i)
INTERPCOMMAND(SetRenderTargets)
+ INTERPCOMMAND(ClipPlane)
case DPSOFTRAST_OPCODE_Draw:
DPSOFTRAST_Interpret_Draw(thread, (DPSOFTRAST_Command_Draw *)command);
DPSOFTRAST_State_Thread *thread = &dpsoftrast.threads[i];
thread->index = i;
thread->cullface = GL_BACK;
+ thread->colormask[0] = 1;
thread->colormask[1] = 1;
thread->colormask[2] = 1;
thread->colormask[3] = 1;
thread->depthrange[1] = 1;
thread->polygonoffset[0] = 0;
thread->polygonoffset[1] = 0;
-
- DPSOFTRAST_RecalcThread(thread);
+ thread->clipplane[0] = 0;
+ thread->clipplane[1] = 0;
+ thread->clipplane[2] = 0;
+ thread->clipplane[3] = 1;
thread->numspans = 0;
thread->numtriangles = 0;
projects / xonotic / darkplaces.git / blobdiff