diff options
Diffstat (limited to 'src/mesa/swrast/s_points.c')
| -rw-r--r-- | src/mesa/swrast/s_points.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/src/mesa/swrast/s_points.c b/src/mesa/swrast/s_points.c index 61ff4d0b84..50ec2063a5 100644 --- a/src/mesa/swrast/s_points.c +++ b/src/mesa/swrast/s_points.c @@ -139,9 +139,10 @@ sprite_point(GLcontext *ctx, const SWvertex *vert) } ATTRIB_LOOP_BEGIN - if (attr >= FRAG_ATTRIB_TEX0 && attr < FRAG_ATTRIB_VAR0) { + if (attr >= FRAG_ATTRIB_TEX0 && attr <= FRAG_ATTRIB_TEX7) { + /* a texcoord attribute */ const GLuint u = attr - FRAG_ATTRIB_TEX0; - /* a texcoord */ + ASSERT(u < Elements(ctx->Point.CoordReplace)); if (ctx->Point.CoordReplace[u]) { tCoords[numTcoords++] = attr; @@ -170,15 +171,15 @@ sprite_point(GLcontext *ctx, const SWvertex *vert) continue; } } - else if (attr == FRAG_ATTRIB_FOGC) { - /* GLSL gl_PointCoord is stored in fog.zw */ - span.attrStart[FRAG_ATTRIB_FOGC][2] = 0.0; - span.attrStart[FRAG_ATTRIB_FOGC][3] = 0.0; /* t0 set below */ - span.attrStepX[FRAG_ATTRIB_FOGC][2] = dsdx; - span.attrStepX[FRAG_ATTRIB_FOGC][3] = 0.0; - span.attrStepY[FRAG_ATTRIB_FOGC][2] = 0.0; - span.attrStepY[FRAG_ATTRIB_FOGC][3] = dtdy; - tCoords[numTcoords++] = FRAG_ATTRIB_FOGC; + else if (attr == FRAG_ATTRIB_PNTC) { + /* GLSL gl_PointCoord.xy (.zw undefined) */ + span.attrStart[FRAG_ATTRIB_PNTC][0] = 0.0; + span.attrStart[FRAG_ATTRIB_PNTC][1] = 0.0; /* t0 set below */ + span.attrStepX[FRAG_ATTRIB_PNTC][0] = dsdx; + span.attrStepX[FRAG_ATTRIB_PNTC][1] = 0.0; + span.attrStepY[FRAG_ATTRIB_PNTC][0] = 0.0; + span.attrStepY[FRAG_ATTRIB_PNTC][1] = dtdy; + tCoords[numTcoords++] = FRAG_ATTRIB_PNTC; continue; } /* use vertex's texcoord/attrib */ @@ -221,10 +222,7 @@ sprite_point(GLcontext *ctx, const SWvertex *vert) GLuint i; /* setup texcoord T for this row */ for (i = 0; i < numTcoords; i++) { - if (tCoords[i] == FRAG_ATTRIB_FOGC) - span.attrStart[FRAG_ATTRIB_FOGC][3] = tcoord; - else - span.attrStart[tCoords[i]][1] = tcoord; + span.attrStart[tCoords[i]][1] = tcoord; } /* these might get changed by span clipping */ @@ -570,6 +568,9 @@ void _swrast_choose_point(GLcontext *ctx) { SWcontext *swrast = SWRAST_CONTEXT(ctx); + const GLfloat size = CLAMP(ctx->Point.Size, + ctx->Point.MinSize, + ctx->Point.MaxSize); if (ctx->RenderMode == GL_RENDER) { if (ctx->Point.PointSprite) { @@ -578,7 +579,7 @@ _swrast_choose_point(GLcontext *ctx) else if (ctx->Point.SmoothFlag) { swrast->Point = smooth_point; } - else if (ctx->Point.Size > 1.0 || + else if (size > 1.0 || ctx->Point._Attenuated || ctx->VertexProgram.PointSizeEnabled) { swrast->Point = large_point; |