mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-26 07:39:45 -06:00
Clean up most (99.99%) of the tab/space mismatches in the VideoSoftware project.
Got rid of trailing spaces that were unnecessary too. Also update the license header for this project. We don't use SVN anymore.
This commit is contained in:
Lioncash
@ -12,7 +12,7 @@
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// Official Git repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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/*
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@ -62,8 +62,8 @@ namespace Clipper
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float m_ViewOffset[2];
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OutputVertexData ClippedVertices[NUM_CLIPPED_VERTICES];
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OutputVertexData *Vertices[NUM_INDICES];
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OutputVertexData ClippedVertices[NUM_CLIPPED_VERTICES];
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OutputVertexData *Vertices[NUM_INDICES];
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void DoState(PointerWrap &p)
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{
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@ -72,94 +72,94 @@ namespace Clipper
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ClippedVertices[i].DoState(p);
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}
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void Init()
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{
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for (int i = 0; i < NUM_CLIPPED_VERTICES; ++i)
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Vertices[i+3] = &ClippedVertices[i];
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}
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void Init()
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{
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for (int i = 0; i < NUM_CLIPPED_VERTICES; ++i)
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Vertices[i+3] = &ClippedVertices[i];
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}
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void SetViewOffset()
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{
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m_ViewOffset[0] = swxfregs.viewport.xOrig - 342;
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m_ViewOffset[1] = swxfregs.viewport.yOrig - 342;
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}
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void SetViewOffset()
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{
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m_ViewOffset[0] = swxfregs.viewport.xOrig - 342;
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m_ViewOffset[1] = swxfregs.viewport.yOrig - 342;
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}
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enum {
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SKIP_FLAG = -1,
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CLIP_POS_X_BIT = 0x01,
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CLIP_NEG_X_BIT = 0x02,
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CLIP_POS_Y_BIT = 0x04,
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CLIP_NEG_Y_BIT = 0x08,
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CLIP_POS_Z_BIT = 0x10,
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CLIP_NEG_Z_BIT = 0x20
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};
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static inline int CalcClipMask(OutputVertexData *v)
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{
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int cmask = 0;
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Vec4 pos = v->projectedPosition;
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if (pos.w - pos.x < 0) cmask |= CLIP_POS_X_BIT;
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if (pos.x + pos.w < 0) cmask |= CLIP_NEG_X_BIT;
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if (pos.w - pos.y < 0) cmask |= CLIP_POS_Y_BIT;
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if (pos.y + pos.w < 0) cmask |= CLIP_NEG_Y_BIT;
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if (pos.w * pos.z > 0) cmask |= CLIP_POS_Z_BIT;
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if (pos.z + pos.w < 0) cmask |= CLIP_NEG_Z_BIT;
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return cmask;
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}
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enum {
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SKIP_FLAG = -1,
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CLIP_POS_X_BIT = 0x01,
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CLIP_NEG_X_BIT = 0x02,
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CLIP_POS_Y_BIT = 0x04,
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CLIP_NEG_Y_BIT = 0x08,
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CLIP_POS_Z_BIT = 0x10,
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CLIP_NEG_Z_BIT = 0x20
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};
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static inline void AddInterpolatedVertex(float t, int out, int in, int& numVertices)
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{
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Vertices[numVertices]->Lerp(t, Vertices[out], Vertices[in]);
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numVertices++;
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}
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static inline int CalcClipMask(OutputVertexData *v)
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{
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int cmask = 0;
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Vec4 pos = v->projectedPosition;
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if (pos.w - pos.x < 0) cmask |= CLIP_POS_X_BIT;
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if (pos.x + pos.w < 0) cmask |= CLIP_NEG_X_BIT;
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if (pos.w - pos.y < 0) cmask |= CLIP_POS_Y_BIT;
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if (pos.y + pos.w < 0) cmask |= CLIP_NEG_Y_BIT;
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if (pos.w * pos.z > 0) cmask |= CLIP_POS_Z_BIT;
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if (pos.z + pos.w < 0) cmask |= CLIP_NEG_Z_BIT;
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return cmask;
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}
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#define DIFFERENT_SIGNS(x,y) ((x <= 0 && y > 0) || (x > 0 && y <= 0))
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static inline void AddInterpolatedVertex(float t, int out, int in, int& numVertices)
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{
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Vertices[numVertices]->Lerp(t, Vertices[out], Vertices[in]);
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numVertices++;
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}
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#define CLIP_DOTPROD(I, A, B, C, D) \
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(Vertices[I]->projectedPosition.x * A + Vertices[I]->projectedPosition.y * B + Vertices[I]->projectedPosition.z * C + Vertices[I]->projectedPosition.w * D)
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#define DIFFERENT_SIGNS(x,y) ((x <= 0 && y > 0) || (x > 0 && y <= 0))
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#define POLY_CLIP( PLANE_BIT, A, B, C, D ) \
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{ \
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if (mask & PLANE_BIT) { \
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int idxPrev = inlist[0]; \
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float dpPrev = CLIP_DOTPROD(idxPrev, A, B, C, D ); \
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int outcount = 0; \
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\
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inlist[n] = inlist[0]; \
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for (int j = 1; j <= n; j++) { \
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int idx = inlist[j]; \
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float dp = CLIP_DOTPROD(idx, A, B, C, D ); \
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if (dpPrev >= 0) { \
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outlist[outcount++] = idxPrev; \
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} \
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\
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if (DIFFERENT_SIGNS(dp, dpPrev)) { \
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if (dp < 0) { \
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float t = dp / (dp - dpPrev); \
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AddInterpolatedVertex(t, idx, idxPrev, numVertices); \
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} else { \
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float t = dpPrev / (dpPrev - dp); \
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AddInterpolatedVertex(t, idxPrev, idx, numVertices); \
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} \
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outlist[outcount++] = numVertices - 1; \
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} \
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\
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idxPrev = idx; \
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dpPrev = dp; \
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} \
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\
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if (outcount < 3) \
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continue; \
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\
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{ \
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int *tmp = inlist; \
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inlist = outlist; \
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outlist = tmp; \
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n = outcount; \
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} \
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} \
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}
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#define CLIP_DOTPROD(I, A, B, C, D) \
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(Vertices[I]->projectedPosition.x * A + Vertices[I]->projectedPosition.y * B + Vertices[I]->projectedPosition.z * C + Vertices[I]->projectedPosition.w * D)
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#define POLY_CLIP( PLANE_BIT, A, B, C, D ) \
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{ \
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if (mask & PLANE_BIT) { \
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int idxPrev = inlist[0]; \
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float dpPrev = CLIP_DOTPROD(idxPrev, A, B, C, D ); \
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int outcount = 0; \
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\
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inlist[n] = inlist[0]; \
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for (int j = 1; j <= n; j++) { \
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int idx = inlist[j]; \
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float dp = CLIP_DOTPROD(idx, A, B, C, D ); \
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if (dpPrev >= 0) { \
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outlist[outcount++] = idxPrev; \
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} \
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\
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if (DIFFERENT_SIGNS(dp, dpPrev)) { \
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if (dp < 0) { \
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float t = dp / (dp - dpPrev); \
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AddInterpolatedVertex(t, idx, idxPrev, numVertices); \
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} else { \
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float t = dpPrev / (dpPrev - dp); \
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AddInterpolatedVertex(t, idxPrev, idx, numVertices); \
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} \
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outlist[outcount++] = numVertices - 1; \
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} \
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\
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idxPrev = idx; \
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dpPrev = dp; \
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} \
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\
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if (outcount < 3) \
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continue; \
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\
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{ \
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int *tmp = inlist; \
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inlist = outlist; \
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outlist = tmp; \
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n = outcount; \
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} \
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} \
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}
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#define LINE_CLIP(PLANE_BIT, A, B, C, D ) \
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{ \
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@ -173,63 +173,63 @@ namespace Clipper
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return; \
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\
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if (neg_dp1) { \
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float t = dp1 / (dp1 - dp0); \
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float t = dp1 / (dp1 - dp0); \
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if (t > t1) t1 = t; \
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} else if (neg_dp0) { \
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float t = dp0 / (dp0 - dp1); \
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float t = dp0 / (dp0 - dp1); \
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if (t > t0) t0 = t; \
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} \
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} \
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}
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void ClipTriangle(int *indices, int &numIndices)
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{
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int mask = 0;
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mask |= CalcClipMask(Vertices[0]);
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mask |= CalcClipMask(Vertices[1]);
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mask |= CalcClipMask(Vertices[2]);
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void ClipTriangle(int *indices, int &numIndices)
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{
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int mask = 0;
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if (mask != 0)
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{
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for(int i = 0; i < 3; i += 3)
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{
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int vlist[2][2*6+1];
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int *inlist = vlist[0], *outlist = vlist[1];
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int n = 3;
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int numVertices = 3;
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mask |= CalcClipMask(Vertices[0]);
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mask |= CalcClipMask(Vertices[1]);
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mask |= CalcClipMask(Vertices[2]);
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inlist[0] = 0;
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inlist[1] = 1;
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inlist[2] = 2;
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if (mask != 0)
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{
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for(int i = 0; i < 3; i += 3)
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{
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int vlist[2][2*6+1];
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int *inlist = vlist[0], *outlist = vlist[1];
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int n = 3;
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int numVertices = 3;
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// mark this triangle as unused in case it should be completely
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// clipped
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indices[0] = SKIP_FLAG;
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indices[1] = SKIP_FLAG;
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indices[2] = SKIP_FLAG;
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inlist[0] = 0;
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inlist[1] = 1;
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inlist[2] = 2;
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POLY_CLIP(CLIP_POS_X_BIT, -1, 0, 0, 1);
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POLY_CLIP(CLIP_NEG_X_BIT, 1, 0, 0, 1);
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POLY_CLIP(CLIP_POS_Y_BIT, 0, -1, 0, 1);
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POLY_CLIP(CLIP_NEG_Y_BIT, 0, 1, 0, 1);
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POLY_CLIP(CLIP_POS_Z_BIT, 0, 0, 0, 1);
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POLY_CLIP(CLIP_NEG_Z_BIT, 0, 0, 1, 1);
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// mark this triangle as unused in case it should be completely
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// clipped
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indices[0] = SKIP_FLAG;
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indices[1] = SKIP_FLAG;
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indices[2] = SKIP_FLAG;
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INCSTAT(swstats.thisFrame.numTrianglesClipped);
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POLY_CLIP(CLIP_POS_X_BIT, -1, 0, 0, 1);
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POLY_CLIP(CLIP_NEG_X_BIT, 1, 0, 0, 1);
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POLY_CLIP(CLIP_POS_Y_BIT, 0, -1, 0, 1);
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POLY_CLIP(CLIP_NEG_Y_BIT, 0, 1, 0, 1);
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POLY_CLIP(CLIP_POS_Z_BIT, 0, 0, 0, 1);
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POLY_CLIP(CLIP_NEG_Z_BIT, 0, 0, 1, 1);
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// transform the poly in inlist into triangles
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indices[0] = inlist[0];
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indices[1] = inlist[1];
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indices[2] = inlist[2];
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for (int j = 3; j < n; ++j) {
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indices[numIndices++] = inlist[0];
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indices[numIndices++] = inlist[j - 1];
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indices[numIndices++] = inlist[j];
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}
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}
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}
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}
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INCSTAT(swstats.thisFrame.numTrianglesClipped);
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// transform the poly in inlist into triangles
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indices[0] = inlist[0];
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indices[1] = inlist[1];
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indices[2] = inlist[2];
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for (int j = 3; j < n; ++j) {
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indices[numIndices++] = inlist[0];
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indices[numIndices++] = inlist[j - 1];
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indices[numIndices++] = inlist[j];
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}
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}
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}
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}
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void ClipLine(int *indices)
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{
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@ -267,59 +267,61 @@ namespace Clipper
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int numVertices = 2;
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if (clip_mask[0]) {
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if (clip_mask[0])
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{
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indices[0] = numVertices;
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AddInterpolatedVertex(t0, 0, 1, numVertices);
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}
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if (clip_mask[1]) {
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if (clip_mask[1])
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{
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indices[1] = numVertices;
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AddInterpolatedVertex(t1, 1, 0, numVertices);
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}
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}
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void ProcessTriangle(OutputVertexData *v0, OutputVertexData *v1, OutputVertexData *v2)
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{
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INCSTAT(swstats.thisFrame.numTrianglesIn)
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void ProcessTriangle(OutputVertexData *v0, OutputVertexData *v1, OutputVertexData *v2)
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{
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INCSTAT(swstats.thisFrame.numTrianglesIn)
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bool backface;
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bool backface;
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if(!CullTest(v0, v1, v2, backface))
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return;
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|
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int indices[NUM_INDICES] = { 0, 1, 2, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG,
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SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG,
|
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SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG };
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int numIndices = 3;
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if(!CullTest(v0, v1, v2, backface))
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return;
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if (backface)
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{
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Vertices[0] = v0;
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Vertices[1] = v2;
|
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Vertices[2] = v1;
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}
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else
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{
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Vertices[0] = v0;
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Vertices[1] = v1;
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Vertices[2] = v2;
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}
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int indices[NUM_INDICES] = { 0, 1, 2, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG,
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SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG,
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SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG, SKIP_FLAG };
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int numIndices = 3;
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|
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ClipTriangle(indices, numIndices);
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if (backface)
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{
|
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Vertices[0] = v0;
|
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Vertices[1] = v2;
|
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Vertices[2] = v1;
|
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}
|
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else
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{
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Vertices[0] = v0;
|
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Vertices[1] = v1;
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Vertices[2] = v2;
|
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}
|
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|
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for(int i = 0; i+3 <= numIndices; i+=3)
|
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{
|
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ClipTriangle(indices, numIndices);
|
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|
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for(int i = 0; i+3 <= numIndices; i+=3)
|
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{
|
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_assert_(i < NUM_INDICES);
|
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if(indices[i] != SKIP_FLAG)
|
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{
|
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PerspectiveDivide(Vertices[indices[i]]);
|
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PerspectiveDivide(Vertices[indices[i+1]]);
|
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PerspectiveDivide(Vertices[indices[i+2]]);
|
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{
|
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PerspectiveDivide(Vertices[indices[i]]);
|
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PerspectiveDivide(Vertices[indices[i+1]]);
|
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PerspectiveDivide(Vertices[indices[i+2]]);
|
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|
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Rasterizer::DrawTriangleFrontFace(Vertices[indices[i]], Vertices[indices[i+1]], Vertices[indices[i+2]]);
|
||||
}
|
||||
}
|
||||
}
|
||||
Rasterizer::DrawTriangleFrontFace(Vertices[indices[i]], Vertices[indices[i+1]], Vertices[indices[i+2]]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void CopyVertex(OutputVertexData *dst, OutputVertexData *src, float dx, float dy, unsigned int sOffset)
|
||||
{
|
||||
@ -343,7 +345,7 @@ namespace Clipper
|
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int indices[4] = { 0, 1, SKIP_FLAG, SKIP_FLAG };
|
||||
|
||||
Vertices[0] = lineV0;
|
||||
Vertices[1] = lineV1;
|
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Vertices[1] = lineV1;
|
||||
|
||||
// point to a valid vertex to store to when clipping
|
||||
Vertices[2] = &ClippedVertices[17];
|
||||
@ -356,7 +358,7 @@ namespace Clipper
|
||||
OutputVertexData *v1 = Vertices[indices[1]];
|
||||
|
||||
PerspectiveDivide(v0);
|
||||
PerspectiveDivide(v1);
|
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PerspectiveDivide(v1);
|
||||
|
||||
float dx = v1->screenPosition.x - v0->screenPosition.x;
|
||||
float dy = v1->screenPosition.y - v0->screenPosition.y;
|
||||
@ -393,57 +395,57 @@ namespace Clipper
|
||||
Rasterizer::DrawTriangleFrontFace(&triangle[0], &triangle[1], &triangle[2]);
|
||||
}
|
||||
}
|
||||
|
||||
bool CullTest(OutputVertexData *v0, OutputVertexData *v1, OutputVertexData *v2, bool &backface)
|
||||
{
|
||||
int mask = CalcClipMask(v0);
|
||||
mask &= CalcClipMask(v1);
|
||||
mask &= CalcClipMask(v2);
|
||||
|
||||
if(mask)
|
||||
{
|
||||
INCSTAT(swstats.thisFrame.numTrianglesRejected)
|
||||
return false;
|
||||
}
|
||||
bool CullTest(OutputVertexData *v0, OutputVertexData *v1, OutputVertexData *v2, bool &backface)
|
||||
{
|
||||
int mask = CalcClipMask(v0);
|
||||
mask &= CalcClipMask(v1);
|
||||
mask &= CalcClipMask(v2);
|
||||
|
||||
float x0 = v0->projectedPosition.x;
|
||||
float x1 = v1->projectedPosition.x;
|
||||
float x2 = v2->projectedPosition.x;
|
||||
float y1 = v1->projectedPosition.y;
|
||||
float y0 = v0->projectedPosition.y;
|
||||
float y2 = v2->projectedPosition.y;
|
||||
float w0 = v0->projectedPosition.w;
|
||||
float w1 = v1->projectedPosition.w;
|
||||
float w2 = v2->projectedPosition.w;
|
||||
if(mask)
|
||||
{
|
||||
INCSTAT(swstats.thisFrame.numTrianglesRejected)
|
||||
return false;
|
||||
}
|
||||
|
||||
float normalZDir = (x0*w2 - x2*w0)*y1 + (x2*y0 - x0*y2)*w1 + (y2*w0 - y0*w2)*x1;
|
||||
float x0 = v0->projectedPosition.x;
|
||||
float x1 = v1->projectedPosition.x;
|
||||
float x2 = v2->projectedPosition.x;
|
||||
float y1 = v1->projectedPosition.y;
|
||||
float y0 = v0->projectedPosition.y;
|
||||
float y2 = v2->projectedPosition.y;
|
||||
float w0 = v0->projectedPosition.w;
|
||||
float w1 = v1->projectedPosition.w;
|
||||
float w2 = v2->projectedPosition.w;
|
||||
|
||||
backface = normalZDir <= 0.0f;
|
||||
float normalZDir = (x0*w2 - x2*w0)*y1 + (x2*y0 - x0*y2)*w1 + (y2*w0 - y0*w2)*x1;
|
||||
|
||||
if ((bpmem.genMode.cullmode & 1) && !backface) // cull frontfacing
|
||||
{
|
||||
INCSTAT(swstats.thisFrame.numTrianglesCulled)
|
||||
return false;
|
||||
}
|
||||
backface = normalZDir <= 0.0f;
|
||||
|
||||
if ((bpmem.genMode.cullmode & 2) && backface) // cull backfacing
|
||||
{
|
||||
INCSTAT(swstats.thisFrame.numTrianglesCulled)
|
||||
return false;
|
||||
}
|
||||
if ((bpmem.genMode.cullmode & 1) && !backface) // cull frontfacing
|
||||
{
|
||||
INCSTAT(swstats.thisFrame.numTrianglesCulled)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
if ((bpmem.genMode.cullmode & 2) && backface) // cull backfacing
|
||||
{
|
||||
INCSTAT(swstats.thisFrame.numTrianglesCulled)
|
||||
return false;
|
||||
}
|
||||
|
||||
void PerspectiveDivide(OutputVertexData *vertex)
|
||||
{
|
||||
Vec4 &projected = vertex->projectedPosition;
|
||||
Vec3 &screen = vertex->screenPosition;
|
||||
return true;
|
||||
}
|
||||
|
||||
void PerspectiveDivide(OutputVertexData *vertex)
|
||||
{
|
||||
Vec4 &projected = vertex->projectedPosition;
|
||||
Vec3 &screen = vertex->screenPosition;
|
||||
|
||||
float wInverse = 1.0f/projected.w;
|
||||
screen.x = projected.x * wInverse * swxfregs.viewport.wd + m_ViewOffset[0];
|
||||
screen.y = projected.y * wInverse * swxfregs.viewport.ht + m_ViewOffset[1];
|
||||
screen.z = projected.z * wInverse * swxfregs.viewport.zRange + swxfregs.viewport.farZ;
|
||||
}
|
||||
|
||||
float wInverse = 1.0f/projected.w;
|
||||
screen.x = projected.x * wInverse * swxfregs.viewport.wd + m_ViewOffset[0];
|
||||
screen.y = projected.y * wInverse * swxfregs.viewport.ht + m_ViewOffset[1];
|
||||
screen.z = projected.z * wInverse * swxfregs.viewport.zRange + swxfregs.viewport.farZ;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user