static void i810LineWidth( GLcontext *ctx, GLfloat widthf )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
- int width = (int)ctx->Line._Width;
+ /* AA, non-AA limits are same */
+ const int width = (int) CLAMP(ctx->Line.Width,
+ ctx->Const.MinLineWidth,
+ ctx->Const.MaxLineWidth);
imesa->LcsLineWidth = 0;
if (width & 1) imesa->LcsLineWidth |= LCS_LINEWIDTH_1_0;
static void i810PointSize( GLcontext *ctx, GLfloat sz )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
- int size = (int)ctx->Point._Size;
+ /* AA, non-AA limits are same */
+ const int size = (int) CLAMP(ctx->Point.Size,
+ ctx->Const.MinPointSize,
+ ctx->Const.MaxPointSize);
imesa->LcsPointSize = 0;
if (size & 1) imesa->LcsPointSize |= LCS_LINEWIDTH_1_0;
static __inline__ void i810_draw_point( i810ContextPtr imesa,
i810VertexPtr tmp )
{
- GLfloat sz = imesa->glCtx->Point._Size * .5;
+ GLfloat sz = 0.5 * CLAMP(imesa->glCtx->Point.Size,
+ imesa->glCtx->Const.MinPointSize,
+ imesa->glCtx->Const.MaxPointSize);
int vertsize = imesa->vertex_size;
GLuint *vb = i810AllocDmaLow( imesa, 2 * 4 * vertsize );
int j;
/* _NEW_LINE */
- sf.sf6.line_width = brw->attribs.Line->_Width * (1<<1);
+ /* XXX use ctx->Const.Min/MaxLineWidth here */
+ sf.sf6.line_width = CLAMP(brw->attribs.Line->Width, 1.0, 5.0) * (1<<1);
sf.sf6.line_endcap_aa_region_width = 1;
if (brw->attribs.Line->SmoothFlag)
/* _NEW_POINT */
sf.sf6.point_rast_rule = 1; /* opengl conventions */
- sf.sf7.point_size = brw->attribs.Point->_Size * (1<<3);
+ /* XXX clamp max depends on AA vs. non-AA */
+ sf.sf7.point_size = CLAMP(brw->attribs.Point->Size, 1.0, 3.0) * (1<<3);
sf.sf7.use_point_size_state = !brw->attribs.Point->_Attenuated;
/* might be BRW_NEW_PRIMITIVE if we have to adjust pv for polygons:
assert( p + 1 - (CARD32 *)src == 10 );
- dst->pointSize = ctx->Point._Size;
+ dst->pointSize = ctx->Point.Size;
}
#if MACH64_NATIVE_VTXFMT
GLcontext *ctx = mmesa->glCtx;
const GLuint vertsize = mmesa->vertex_size;
- GLint width = (GLint)(mmesa->glCtx->Line._Width * 2.0); /* 2 fractional bits for hardware */
+ /* 2 fractional bits for hardware: */
+ const int width = (int) (2.0 * CLAMP(mmesa->glCtx->Line.Width,
+ mmesa->glCtx->Const.MinLineWidth,
+ mmesa->glCtx->Const.MaxLineWidth));
GLfloat ooa;
GLuint *pxy0, *pxy1;
GLuint xy0old, xy0, xy1old, xy1;
mach64_print_vertex( ctx, v1 );
}
- if( !width )
- width = 1; /* round to the nearest supported width */
-
pxy0 = &v0->ui[xyoffset];
xy0old = *pxy0;
xy0 = LE32_IN( &xy0old );
#if MACH64_NATIVE_VTXFMT
GLcontext *ctx = mmesa->glCtx;
const GLuint vertsize = mmesa->vertex_size;
- GLint sz = (GLint)(mmesa->glCtx->Point._Size * 2.0); /* 2 fractional bits for hardware */
+ /* 2 fractional bits for hardware: */
+ GLint sz = (GLint) (2.0 * CLAMP(mmesa->glCtx->Point.Size,
+ ctx->Const.MinPointSize,
+ ctx->Const.MaxPointSize));
GLfloat ooa;
GLuint *pxy;
GLuint xyold, xy;
static __inline__ void mga_draw_point( mgaContextPtr mmesa,
mgaVertexPtr tmp )
{
- GLfloat sz = mmesa->glCtx->Point._Size * .5;
- int vertex_size = mmesa->vertex_size;
+ const GLfloat sz = 0.5 * CLAMP(mmesa->glCtx->Point.Size,
+ mmesa->glCtx->Const.MinPointSize,
+ mmesa->glCtx->Const.MaxPointSize);
+ const int vertex_size = mmesa->vertex_size;
GLuint *vb = mgaAllocDmaLow( mmesa, 6 * 4 * vertex_size );
int j;
GLuint vertex_size = mmesa->vertex_size;
GLuint *vb = mgaAllocDmaLow( mmesa, 6 * 4 * vertex_size );
GLfloat dx, dy, ix, iy;
- GLfloat width = mmesa->glCtx->Line._Width;
+ const GLfloat width = CLAMP(mmesa->glCtx->Line.Width,
+ mmesa->glCtx->Const.MinLineWidth,
+ mmesa->glCtx->Const.MaxLineWidth);
GLint j;
#if 0
R200_STATECHANGE( rmesa, set );
/* Line width is stored in U6.4 format.
+ * Same min/max limits for AA, non-AA lines.
*/
rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] &= ~0xffff;
- rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] |= (GLuint)(ctx->Line._Width * 16.0);
+ rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] |= (GLuint)
+ (CLAMP(widthf, ctx->Const.MinLineWidth, ctx->Const.MaxLineWidth) * 16.0);
if ( widthf > 1.0 ) {
rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_WIDELINE_ENABLE;
static void r300PointSize(GLcontext * ctx, GLfloat size)
{
r300ContextPtr r300 = R300_CONTEXT(ctx);
-
- size = ctx->Point._Size;
+ /* same size limits for AA, non-AA points */
+ size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
R300_STATECHANGE(r300, ps);
r300->hw.ps.cmd[R300_PS_POINTSIZE] =
{
r300ContextPtr r300 = R300_CONTEXT(ctx);
- widthf = ctx->Line._Width;
-
+ widthf = CLAMP(widthf,
+ ctx->Const.MinPointSize,
+ ctx->Const.MaxPointSize);
R300_STATECHANGE(r300, lcntl);
r300->hw.lcntl.cmd[1] =
R300_LINE_CNT_HO | R300_LINE_CNT_VE | (int)(widthf * 6.0);
u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
const GLfloat x = tmp->v.x;
const GLfloat y = tmp->v.y;
- const GLfloat sz = imesa->glCtx->Point._Size * .5;
+ const GLfloat sz = 0.5 * CLAMP(imesa->glCtx->Point.Size,
+ imesa->glCtx->Const.MinPointSize,
+ imesa->glCtx->Const.MaxPointSize);
GLuint j;
*(float *)&vb[0] = x - sz;
savageVertexPtr v1 ) {
GLuint vertsize = imesa->HwVertexSize;
u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
- GLfloat width = imesa->glCtx->Line._Width;
+ const GLfloat width = CLAMP(imesa->glCtx->Line.Width,
+ imesa->glCtx->Const.MinLineWidth,
+ imesa->glCtx->Const.MaxLineWidth);
GLfloat dx, dy, ix, iy;
GLuint j;
savageVertexPtr v1 ) {
GLuint vertsize = imesa->HwVertexSize;
u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
- GLfloat width = imesa->glCtx->Line._Width;
+ const GLfloat width = CLAMP(imesa->glCtx->Line.Width,
+ imesa->glCtx->Const.MinLineWidth,
+ imesa->glCtx->Const.MaxLineWidth);
GLfloat dx, dy, ix, iy;
savageVertex tmp0, tmp1;
GLuint j;
u_int32_t *vb = savageAllocVtxBuf (imesa, 6*vertsize);
const GLfloat x = v0->v.x;
const GLfloat y = v0->v.y;
- const GLfloat sz = imesa->glCtx->Point._Size * .5;
+ const GLfloat sz = 0.5 * CLAMP(imesa->glCtx->Point.Size,
+ imesa->glCtx->Const.MinPointSize,
+ imesa->glCtx->Const.MaxPointSize);
savageVertex tmp;
GLuint j;
}
}
- dst->pointSize = ctx->Point._Size;
+ dst->pointSize = ctx->Point.Size;
}
FLUSH_VERTICES(ctx, _NEW_LINE);
ctx->Line.Width = width;
- ctx->Line._Width = CLAMP(width,
- ctx->Const.MinLineWidth,
- ctx->Const.MaxLineWidth);
if (ctx->Driver.LineWidth)
ctx->Driver.LineWidth(ctx, width);
* Initializes __GLcontextRec::Line and line related constants in
* __GLcontextRec::Const.
*/
-void GLAPIENTRY _mesa_init_line( GLcontext * ctx )
+void GLAPIENTRY
+_mesa_init_line( GLcontext * ctx )
{
- /* Line group */
ctx->Line.SmoothFlag = GL_FALSE;
ctx->Line.StippleFlag = GL_FALSE;
ctx->Line.Width = 1.0;
- ctx->Line._Width = 1.0;
ctx->Line.StipplePattern = 0xffff;
ctx->Line.StippleFactor = 1;
}
GLushort StipplePattern; /**< Stipple pattern */
GLint StippleFactor; /**< Stipple repeat factor */
GLfloat Width; /**< Line width */
- GLfloat _Width; /**< Clamped Line width */
};
{
GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */
GLfloat Size; /**< User-specified point size */
- GLfloat _Size; /**< Size clamped to Const.Min/MaxPointSize */
GLfloat Params[3]; /**< GL_EXT_point_parameters */
GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */
GLfloat Threshold; /**< GL_EXT_point_parameters */
FLUSH_VERTICES(ctx, _NEW_POINT);
ctx->Point.Size = size;
- /* XXX correct clamp limits? */
- ctx->Point._Size = CLAMP(ctx->Point.Size,
- ctx->Point.MinSize,
- ctx->Point.MaxSize);
if (ctx->Driver.PointSize)
ctx->Driver.PointSize(ctx, size);
ctx->Point.SmoothFlag = GL_FALSE;
ctx->Point.Size = 1.0;
- ctx->Point._Size = 1.0;
ctx->Point.Params[0] = 1.0;
ctx->Point.Params[1] = 0.0;
ctx->Point.Params[2] = 0.0;
if (1/*new_state & _NEW_POINT*/) {
if (ctx->Point.SmoothFlag)
ctx->_TriangleCaps |= DD_POINT_SMOOTH;
- if (ctx->Point._Size != 1.0F)
+ if (ctx->Point.Size != 1.0F)
ctx->_TriangleCaps |= DD_POINT_SIZE;
if (ctx->Point._Attenuated)
ctx->_TriangleCaps |= DD_POINT_ATTEN;
ctx->_TriangleCaps |= DD_LINE_SMOOTH;
if (ctx->Line.StippleFlag)
ctx->_TriangleCaps |= DD_LINE_STIPPLE;
- if (ctx->Line._Width != 1.0)
+ if (ctx->Line.Width != 1.0)
ctx->_TriangleCaps |= DD_LINE_WIDTH;
}
line.dx = line.x1 - line.x0;
line.dy = line.y1 - line.y0;
line.len = SQRTF(line.dx * line.dx + line.dy * line.dy);
- line.halfWidth = 0.5F * ctx->Line._Width;
+ line.halfWidth = 0.5F * CLAMP(ctx->Line.Width,
+ ctx->Const.MinLineWidthAA,
+ ctx->Const.MaxLineWidthAA);
if (line.len == 0.0 || IS_INF_OR_NAN(line.len))
return;
static void
draw_wide_line( GLcontext *ctx, SWspan *span, GLboolean xMajor )
{
- GLint width, start;
+ const GLint width = (GLint) CLAMP(ctx->Line.Width,
+ ctx->Const.MinLineWidth,
+ ctx->Const.MaxLineWidth);
+ GLint start;
ASSERT(span->end < MAX_WIDTH);
- width = (GLint) CLAMP( ctx->Line._Width, MIN_LINE_WIDTH, MAX_LINE_WIDTH );
-
if (width & 1)
start = width / 2;
else
span.arrayMask |= SPAN_MASK; \
compute_stipple_mask(ctx, span.end, span.array->mask); \
} \
- if (ctx->Line._Width > 1.0) { \
+ if (ctx->Line.Width > 1.0) { \
draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \
} \
else { \
span.arrayMask |= SPAN_MASK; \
compute_stipple_mask(ctx, span.end, span.array->mask); \
} \
- if (ctx->Line._Width > 1.0) { \
+ if (ctx->Line.Width > 1.0) { \
draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \
} \
else { \
span.arrayMask |= SPAN_MASK; \
compute_stipple_mask(ctx, span.end, span.array->mask); \
} \
- if (ctx->Line._Width > 1.0) { \
+ if (ctx->Line.Width > 1.0) { \
draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \
} \
else { \
USE(general_line);
}
else if (ctx->Depth.Test
- || ctx->Line._Width != 1.0
+ || ctx->Line.Width != 1.0
|| ctx->Line.StippleFlag) {
/* no texture, but Z, fog, width>1, stipple, etc. */
if (rgbmode)
}
else {
ASSERT(!ctx->Depth.Test);
+ ASSERT(ctx->Line.Width == 1.0);
/* simple lines */
if (rgbmode)
USE(simple_no_z_rgba_line);
}
else {
/* use constant point size */
- size = ctx->Point._Size; /* already clamped to user range */
+ size = ctx->Point.Size;
}
/* clamp to non-AA implementation limits */
size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
}
else {
/* use constant point size */
- size = ctx->Point._Size; /* this is already clamped */
+ size = ctx->Point.Size;
}
/* clamp to AA implementation limits */
size = CLAMP(size, ctx->Const.MinPointSizeAA, ctx->Const.MaxPointSizeAA);
}
else {
/* use constant point size */
- size = ctx->Point._Size; /* already clamped to user range */
+ size = ctx->Point.Size;
}
/* clamp to non-AA implementation limits */
size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize);
else if (ctx->Point.SmoothFlag) {
swrast->Point = smooth_point;
}
- else if (ctx->Point._Size > 1.0 ||
+ else if (ctx->Point.Size > 1.0 ||
ctx->Point._Attenuated ||
ctx->VertexProgram.PointSizeEnabled) {
swrast->Point = large_point;
/* If the hardware vertex doesn't have point size then use size from
* GLcontext. XXX this will be wrong if drawing attenuated points!
*/
- dest[0] = ctx->Point._Size;
+ dest[0] = ctx->Point.Size;
}
else {
_mesa_memcpy( dest, ctx->Current.Attrib[attr], 4*sizeof(GLfloat));
}
}
- dst->pointSize = ctx->Point._Size;
+ dst->pointSize = ctx->Point.Size;
}