static void
intel_draw_quad(struct intel_context *intel,
intelVertexPtr v0,
intelVertexPtr v1, intelVertexPtr v2, intelVertexPtr v3)
{
GLuint vertsize = intel->vertex_size;
GLuint *vb = intelExtendInlinePrimitive(intel, 6 * vertsize);
int j;
COPY_DWORDS(j, vb, vertsize, v0);
COPY_DWORDS(j, vb, vertsize, v1);
/* If smooth shading, draw like a trifan which gives better
* rasterization. Otherwise draw as two triangles with provoking
* vertex in third position as required for flat shading.
*/
if (intel->ctx.Light.ShadeModel == GL_FLAT) {
COPY_DWORDS(j, vb, vertsize, v3);
COPY_DWORDS(j, vb, vertsize, v1);
}
else {
COPY_DWORDS(j, vb, vertsize, v2);
COPY_DWORDS(j, vb, vertsize, v0);
}
COPY_DWORDS(j, vb, vertsize, v2);
COPY_DWORDS(j, vb, vertsize, v3);
}
void
intel_meta_draw_poly(struct intel_context *intel,
GLuint n,
GLfloat xy[][2],
GLfloat z, GLuint color, GLfloat tex[][2])
{
union fi *vb;
GLint i;
/* All 3d primitives should be emitted with INTEL_BATCH_CLIPRECTS,
* otherwise the drawing origin (DR4) might not be set correctly.
*/
intelStartInlinePrimitive(intel, PRIM3D_TRIFAN, INTEL_BATCH_CLIPRECTS);
vb = (union fi *) intelExtendInlinePrimitive(intel, n * 6);
for (i = 0; i < n; i++) {
vb[0].f = xy[i][0];
vb[1].f = xy[i][1];
vb[2].f = z;
vb[3].i = color;
vb[4].f = tex[i][0];
vb[5].f = tex[i][1];
vb += 6;
}
INTEL_FIREVERTICES(intel);
}
static __inline__ void intel_draw_line( intelContextPtr intel,
intelVertexPtr v0,
intelVertexPtr v1 )
{
GLuint vertsize = intel->vertex_size;
GLuint *vb = intelExtendInlinePrimitive( intel, 2 * vertsize );
int j;
COPY_DWORDS( j, vb, vertsize, v0 );
COPY_DWORDS( j, vb, vertsize, v1 );
}
static void
intel_draw_triangle(struct intel_context *intel,
intelVertexPtr v0, intelVertexPtr v1, intelVertexPtr v2)
{
GLuint vertsize = intel->vertex_size;
GLuint *vb = intelExtendInlinePrimitive(intel, 3 * vertsize);
int j;
COPY_DWORDS(j, vb, vertsize, v0);
COPY_DWORDS(j, vb, vertsize, v1);
COPY_DWORDS(j, vb, vertsize, v2);
}
static __inline__ void intel_draw_point( intelContextPtr intel,
intelVertexPtr v0 )
{
GLuint vertsize = intel->vertex_size;
GLuint *vb = intelExtendInlinePrimitive( intel, vertsize );
int j;
/* Adjust for sub pixel position -- still required for conform. */
*(float *)&vb[0] = v0->v.x - 0.125;
*(float *)&vb[1] = v0->v.y - 0.125;
for (j = 2 ; j < vertsize ; j++)
vb[j] = v0->ui[j];
}
static void intelFastRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
GLuint n )
{
intelContextPtr intel = INTEL_CONTEXT( ctx );
const GLuint vertsize = intel->vertex_size;
GLuint *vb = intelExtendInlinePrimitive( intel, (n-2) * 3 * vertsize );
GLubyte *vertptr = (GLubyte *)intel->verts;
const GLuint *start = (const GLuint *)V(elts[0]);
int i,j;
for (i = 2 ; i < n ; i++) {
COPY_DWORDS( j, vb, vertsize, V(elts[i-1]) );
COPY_DWORDS( j, vb, vertsize, V(elts[i]) );
COPY_DWORDS( j, vb, vertsize, start );
}
}
static void __inline__ intel_draw_quad( intelContextPtr intel,
intelVertexPtr v0,
intelVertexPtr v1,
intelVertexPtr v2,
intelVertexPtr v3 )
{
GLuint vertsize = intel->vertex_size;
GLuint *vb = intelExtendInlinePrimitive( intel, 6 * vertsize );
int j;
COPY_DWORDS( j, vb, vertsize, v0 );
COPY_DWORDS( j, vb, vertsize, v1 );
COPY_DWORDS( j, vb, vertsize, v3 );
COPY_DWORDS( j, vb, vertsize, v1 );
COPY_DWORDS( j, vb, vertsize, v2 );
COPY_DWORDS( j, vb, vertsize, v3 );
}
