#include "glheader.h"
#include "imports.h"
#include "context.h"
#include "image.h"
#include "enums.h"
#include "macros.h"
#include "polygon.h"
#include "mtypes.h"
void
_mesa_CullFace( GLenum mode )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glCullFace %s\n", _mesa_lookup_enum_by_nr(mode));
if (mode!=GL_FRONT && mode!=GL_BACK && mode!=GL_FRONT_AND_BACK) {
_mesa_error( ctx, GL_INVALID_ENUM, "glCullFace" );
return;
}
if (ctx->Polygon.CullFaceMode == mode)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.CullFaceMode = mode;
if (ctx->Driver.CullFace)
ctx->Driver.CullFace( ctx, mode );
}
void
_mesa_FrontFace( GLenum mode )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glFrontFace %s\n", _mesa_lookup_enum_by_nr(mode));
if (mode!=GL_CW && mode!=GL_CCW) {
_mesa_error( ctx, GL_INVALID_ENUM, "glFrontFace" );
return;
}
if (ctx->Polygon.FrontFace == mode)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.FrontFace = mode;
ctx->Polygon._FrontBit = (GLboolean) (mode == GL_CW);
if (ctx->Driver.FrontFace)
ctx->Driver.FrontFace( ctx, mode );
}
void
_mesa_PolygonMode( GLenum face, GLenum mode )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glPolygonMode %s %s\n",
_mesa_lookup_enum_by_nr(face),
_mesa_lookup_enum_by_nr(mode));
if (mode!=GL_POINT && mode!=GL_LINE && mode!=GL_FILL) {
_mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(mode)" );
return;
}
switch (face) {
case GL_FRONT:
if (ctx->Polygon.FrontMode == mode)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.FrontMode = mode;
break;
case GL_FRONT_AND_BACK:
if (ctx->Polygon.FrontMode == mode &&
ctx->Polygon.BackMode == mode)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.FrontMode = mode;
ctx->Polygon.BackMode = mode;
break;
case GL_BACK:
if (ctx->Polygon.BackMode == mode)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.BackMode = mode;
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(face)" );
return;
}
ctx->_TriangleCaps &= ~DD_TRI_UNFILLED;
if (ctx->Polygon.FrontMode!=GL_FILL || ctx->Polygon.BackMode!=GL_FILL)
ctx->_TriangleCaps |= DD_TRI_UNFILLED;
if (ctx->Driver.PolygonMode) {
(*ctx->Driver.PolygonMode)( ctx, face, mode );
}
}
void
_mesa_PolygonStipple( const GLubyte *pattern )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glPolygonStipple\n");
FLUSH_VERTICES(ctx, _NEW_POLYGONSTIPPLE);
_mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
if (ctx->Driver.PolygonStipple)
ctx->Driver.PolygonStipple( ctx, (const GLubyte *) ctx->PolygonStipple );
}
void
_mesa_GetPolygonStipple( GLubyte *dest )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glGetPolygonStipple\n");
_mesa_pack_polygon_stipple(ctx->PolygonStipple, dest, &ctx->Pack);
}
void
_mesa_PolygonOffset( GLfloat factor, GLfloat units )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glPolygonOffset %f %f\n", factor, units);
if (ctx->Polygon.OffsetFactor == factor &&
ctx->Polygon.OffsetUnits == units)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetFactor = factor;
ctx->Polygon.OffsetUnits = units;
if (ctx->Driver.PolygonOffset)
ctx->Driver.PolygonOffset( ctx, factor, units );
}
void
_mesa_PolygonOffsetEXT( GLfloat factor, GLfloat bias )
{
GET_CURRENT_CONTEXT(ctx);
_mesa_PolygonOffset(factor, bias * ctx->DepthMaxF );
}