#include "glheader.h"
#include "colormac.h"
#include "macros.h"
#include "mtypes.h"
#include "tnl/t_context.h"
#include "ss_triangle.h"
#include "ss_context.h"
#define SS_RGBA_BIT 0x1
#define SS_OFFSET_BIT 0x2
#define SS_TWOSIDE_BIT 0x4
#define SS_UNFILLED_BIT 0x8
#define SS_MAX_TRIFUNC 0x10
static tnl_triangle_func tri_tab[SS_MAX_TRIFUNC];
static tnl_quad_func quad_tab[SS_MAX_TRIFUNC];
static void _swsetup_render_line_tri( GLcontext *ctx,
GLuint e0, GLuint e1, GLuint e2,
GLuint facing )
{
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];
GLfloat i[2];
if (ctx->Polygon.CullFlag) {
if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT)
return;
if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK)
return;
}
_swrast_SetFacing(ctx, facing);
if (ctx->Light.ShadeModel == GL_FLAT) {
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->Light.ShadeModel == GL_FLAT) {
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];
}
}
static void _swsetup_render_point_tri( GLcontext *ctx,
GLuint e0, GLuint e1, GLuint e2,
GLuint facing )
{
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];
GLfloat i[2];
if (ctx->Polygon.CullFlag) {
if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT)
return;
if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK)
return;
}
_swrast_SetFacing(ctx, facing);
if (ctx->Light.ShadeModel == GL_FLAT) {
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 (ef[e0]) _swrast_Point( ctx, v0 );
if (ef[e1]) _swrast_Point( ctx, v1 );
if (ef[e2]) _swrast_Point( ctx, v2 );
if (ctx->Light.ShadeModel == GL_FLAT) {
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];
}
_swrast_flush(ctx);
}
#define SS_COLOR(a,b) UNCLAMPED_FLOAT_TO_RGBA_CHAN(a,b)
#define SS_SPEC(a,b) UNCLAMPED_FLOAT_TO_RGB_CHAN(a,b)
#define SS_IND(a,b) (a = b)
#define IND (0)
#define TAG(x) x
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT)
#define TAG(x) x##_offset
#include "ss_tritmp.h"
#define IND (SS_TWOSIDE_BIT)
#define TAG(x) x##_twoside
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT)
#define TAG(x) x##_offset_twoside
#include "ss_tritmp.h"
#define IND (SS_UNFILLED_BIT)
#define TAG(x) x##_unfilled
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT)
#define TAG(x) x##_offset_unfilled
#include "ss_tritmp.h"
#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT)
#define TAG(x) x##_twoside_unfilled
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT)
#define TAG(x) x##_offset_twoside_unfilled
#include "ss_tritmp.h"
#define IND (0|SS_RGBA_BIT)
#define TAG(x) x##_rgba
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_rgba
#include "ss_tritmp.h"
#define IND (SS_TWOSIDE_BIT|SS_RGBA_BIT)
#define TAG(x) x##_twoside_rgba
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_twoside_rgba
#include "ss_tritmp.h"
#define IND (SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_unfilled_rgba
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_unfilled_rgba
#include "ss_tritmp.h"
#define IND (SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_twoside_unfilled_rgba
#include "ss_tritmp.h"
#define IND (SS_OFFSET_BIT|SS_TWOSIDE_BIT|SS_UNFILLED_BIT|SS_RGBA_BIT)
#define TAG(x) x##_offset_twoside_unfilled_rgba
#include "ss_tritmp.h"
void _swsetup_trifuncs_init( GLcontext *ctx )
{
(void) ctx;
init();
init_offset();
init_twoside();
init_offset_twoside();
init_unfilled();
init_offset_unfilled();
init_twoside_unfilled();
init_offset_twoside_unfilled();
init_rgba();
init_offset_rgba();
init_twoside_rgba();
init_offset_twoside_rgba();
init_unfilled_rgba();
init_offset_unfilled_rgba();
init_twoside_unfilled_rgba();
init_offset_twoside_unfilled_rgba();
}
static void swsetup_points( GLcontext *ctx, GLuint first, GLuint last )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
GLuint i;
if (VB->Elts) {
for (i = first; i < last; i++)
if (VB->ClipMask[VB->Elts[i]] == 0)
_swrast_Point( ctx, &verts[VB->Elts[i]] );
}
else {
for (i = first; i < last; i++)
if (VB->ClipMask[i] == 0)
_swrast_Point( ctx, &verts[i] );
}
}
static void swsetup_line( GLcontext *ctx, GLuint v0, GLuint v1 )
{
SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
_swrast_Line( ctx, &verts[v0], &verts[v1] );
}
void _swsetup_choose_trifuncs( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint ind = 0;
if (ctx->Polygon.OffsetPoint ||
ctx->Polygon.OffsetLine ||
ctx->Polygon.OffsetFill)
ind |= SS_OFFSET_BIT;
if ((ctx->Light.Enabled && ctx->Light.Model.TwoSide) ||
(ctx->VertexProgram._Current && ctx->VertexProgram.TwoSideEnabled))
ind |= SS_TWOSIDE_BIT;
if (ctx->Polygon.FrontMode != GL_FILL ||
ctx->Polygon.BackMode != GL_FILL ||
(ctx->Stencil.Enabled && ctx->Stencil._TestTwoSide))
ind |= SS_UNFILLED_BIT;
if (ctx->Visual.rgbMode)
ind |= SS_RGBA_BIT;
tnl->Driver.Render.Triangle = tri_tab[ind];
tnl->Driver.Render.Quad = quad_tab[ind];
tnl->Driver.Render.Line = swsetup_line;
tnl->Driver.Render.Points = swsetup_points;
}