void ffb_fallback_line(GLcontext *ctx, ffb_vertex *v0, ffb_vertex *v1)
{
SWvertex v[2];
ffb_translate_vertex(ctx, v0, &v[0]);
ffb_translate_vertex(ctx, v1, &v[1]);
_swrast_Line(ctx, &v[0], &v[1]);
}
void nouveau_fallback_line(struct nouveau_context *nmesa,
nouveauVertex *v0,
nouveauVertex *v1)
{
GLcontext *ctx = nmesa->glCtx;
SWvertex v[2];
_swsetup_Translate(ctx, v0, &v[0]);
_swsetup_Translate(ctx, v1, &v[1]);
_swrast_Line(ctx, &v[0], &v[1]);
}
static void
mga_fallback_line( mgaContextPtr mmesa,
mgaVertex *v0,
mgaVertex *v1 )
{
GLcontext *ctx = mmesa->glCtx;
SWvertex v[2];
mga_translate_vertex( ctx, v0, &v[0] );
mga_translate_vertex( ctx, v1, &v[1] );
_swrast_Line( ctx, &v[0], &v[1] );
}
static void
trident_fallback_line( tridentContextPtr tmesa,
const tridentVertex *v0,
const tridentVertex *v1 )
{
GLcontext *ctx = tmesa->glCtx;
SWvertex v[2];
trident_translate_vertex( ctx, v0, &v[0] );
trident_translate_vertex( ctx, v1, &v[1] );
_swrast_Line( ctx, &v[0], &v[1] );
}
static void
tdfx_fallback_line( tdfxContextPtr fxMesa,
tdfxVertex *v0,
tdfxVertex *v1 )
{
GLcontext *ctx = fxMesa->glCtx;
SWvertex v[2];
tdfx_translate_vertex( ctx, v0, &v[0] );
tdfx_translate_vertex( ctx, v1, &v[1] );
_swrast_Line( ctx, &v[0], &v[1] );
}
static void
r128_fallback_line( r128ContextPtr rmesa,
r128Vertex *v0,
r128Vertex *v1 )
{
GLcontext *ctx = rmesa->glCtx;
SWvertex v[2];
_swsetup_Translate( ctx, v0, &v[0] );
_swsetup_Translate( ctx, v1, &v[1] );
_swrast_Line( ctx, &v[0], &v[1] );
}
static void
i810_fallback_line( i810ContextPtr imesa,
i810Vertex *v0,
i810Vertex *v1 )
{
GLcontext *ctx = imesa->glCtx;
SWvertex v[2];
i810_translate_vertex( ctx, v0, &v[0] );
i810_translate_vertex( ctx, v1, &v[1] );
_swrast_Line( ctx, &v[0], &v[1] );
}
static void
sis_fallback_line( sisContextPtr smesa,
sisVertex *v0,
sisVertex *v1 )
{
GLcontext *ctx = smesa->glCtx;
SWvertex v[2];
sis_translate_vertex( ctx, v0, &v[0] );
sis_translate_vertex( ctx, v1, &v[1] );
_swrast_Line( ctx, &v[0], &v[1] );
}
static void
via_fallback_line(struct via_context *vmesa,
viaVertex *v0,
viaVertex *v1)
{
struct gl_context *ctx = vmesa->glCtx;
SWvertex v[2];
_swsetup_Translate(ctx, v0, &v[0]);
_swsetup_Translate(ctx, v1, &v[1]);
viaSpanRenderStart( ctx );
_swrast_Line(ctx, &v[0], &v[1]);
viaSpanRenderFinish( ctx );
}
static void
sis_fallback_line( sisContextPtr smesa,
sisVertex *v0,
sisVertex *v1 )
{
struct gl_context *ctx = smesa->glCtx;
SWvertex v[2];
_swsetup_Translate( ctx, v0, &v[0] );
_swsetup_Translate( ctx, v1, &v[1] );
sisSpanRenderStart( ctx );
_swrast_Line( ctx, &v[0], &v[1] );
sisSpanRenderFinish( ctx );
_swrast_flush( ctx );
}
static void
intel_fallback_line( intelContextPtr intel,
intelVertex *v0,
intelVertex *v1 )
{
GLcontext *ctx = &intel->ctx;
SWvertex v[2];
if (0)
fprintf(stderr, "\n%s\n", __FUNCTION__);
_swsetup_Translate( ctx, v0, &v[0] );
_swsetup_Translate( ctx, v1, &v[1] );
intelSpanRenderStart( ctx );
_swrast_Line( ctx, &v[0], &v[1] );
intelSpanRenderFinish( ctx );
}
static void
i830_fallback_line( i830ContextPtr imesa,
i830Vertex *v0,
i830Vertex *v1 )
{
GLcontext *ctx = imesa->glCtx;
SWvertex v[2];
if (0)
fprintf(stderr, "\n%s\n", __FUNCTION__);
i830_translate_vertex( ctx, v0, &v[0] );
i830_translate_vertex( ctx, v1, &v[1] );
i830SpanRenderStart( ctx );
_swrast_Line( ctx, &v[0], &v[1] );
i830SpanRenderFinish( ctx );
}
static void _swsetup_render_line_tri( GLcontext *ctx,
GLuint e0, GLuint e1, GLuint e2 )
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLubyte *ef = VB->EdgeFlag;
SWvertex *verts = swsetup->verts;
SWvertex *v0 = &verts[e0];
SWvertex *v1 = &verts[e1];
SWvertex *v2 = &verts[e2];
GLchan c[2][4];
GLchan s[2][4];
GLuint i[2];
if (ctx->_TriangleCaps & DD_FLATSHADE) {
COPY_CHAN4(c[0], v0->color);
COPY_CHAN4(c[1], v1->color);
COPY_CHAN4(s[0], v0->specular);
COPY_CHAN4(s[1], v1->specular);
i[0] = v0->index;
i[1] = v1->index;
COPY_CHAN4(v0->color, v2->color);
COPY_CHAN4(v1->color, v2->color);
COPY_CHAN4(v0->specular, v2->specular);
COPY_CHAN4(v1->specular, v2->specular);
v0->index = v2->index;
v1->index = v2->index;
}
if (swsetup->render_prim == GL_POLYGON) {
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
} else {
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
}
if (ctx->_TriangleCaps & DD_FLATSHADE) {
COPY_CHAN4(v0->color, c[0]);
COPY_CHAN4(v1->color, c[1]);
COPY_CHAN4(v0->specular, s[0]);
COPY_CHAN4(v1->specular, s[1]);
v0->index = i[0];
v1->index = i[1];
}
}
/*
* Render a triangle using lines and respecting edge flags.
*/
static void
_swsetup_edge_render_line_tri(struct gl_context *ctx,
const GLubyte *ef,
GLuint e0,
GLuint e1,
GLuint e2,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
if (swsetup->render_prim == GL_POLYGON) {
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
} else {
if (ef[e0]) _swrast_Line( ctx, v0, v1 );
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
}
}
static void swsetup_line( struct gl_context *ctx, GLuint v0, GLuint v1 )
{
SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
_swrast_Line( ctx, &verts[v0], &verts[v1] );
}