static void via_draw_line(struct via_context *vmesa,
viaVertexPtr v0,
viaVertexPtr v1)
{
GLuint vertsize = vmesa->vertexSize;
GLuint *vb = viaExtendPrimitive(vmesa, 2 * 4 * vertsize);
COPY_DWORDS(vb, vertsize, v0);
COPY_DWORDS(vb, vertsize, v1);
}
static __inline__ void i830_draw_line( i830ContextPtr imesa,
i830VertexPtr v0,
i830VertexPtr v1 )
{
GLuint vertsize = imesa->vertex_size;
GLuint *vb = i830AllocDmaLow( imesa, 2 * 4 * vertsize );
int j;
COPY_DWORDS( j, vb, vertsize, v0 );
COPY_DWORDS( j, vb, vertsize, v1 );
}
static void via_ptex_line (struct via_context *vmesa,
viaVertexPtr v0,
viaVertexPtr v1)
{
GLuint vertsize = vmesa->hwVertexSize;
GLuint *vb = viaExtendPrimitive(vmesa, 2*4*vertsize);
viaVertex tmp;
PTEX_VERTEX(tmp, vertsize, v0); COPY_DWORDS(vb, vertsize, &tmp);
PTEX_VERTEX(tmp, vertsize, v1); COPY_DWORDS(vb, vertsize, &tmp);
}
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 void __inline__ i830_draw_triangle( i830ContextPtr imesa,
i830VertexPtr v0,
i830VertexPtr v1,
i830VertexPtr v2 )
{
GLuint vertsize = imesa->vertex_size;
GLuint *vb = i830AllocDmaLow( imesa, 3 * 4 * vertsize );
int j;
COPY_DWORDS( j, vb, vertsize, v0 );
COPY_DWORDS( j, vb, vertsize, v1 );
COPY_DWORDS( j, vb, vertsize, v2 );
}
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);
}
static void i810FastRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
GLuint n )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
GLuint vertsize = imesa->vertex_size;
GLuint *vb = i810AllocDmaLow( imesa, (n-2) * 3 * 4 * vertsize );
GLubyte *vertptr = (GLubyte *)imesa->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 emit_vec16( GLcontext *ctx,
struct radeon_dma_region *rvb,
char *data,
int stride,
int count )
{
int i;
int *out = (int *)(rvb->address + rvb->start);
if (RADEON_DEBUG & DEBUG_VERTS)
fprintf(stderr, "%s count %d stride %d\n",
__FUNCTION__, count, stride);
if (stride == 16)
COPY_DWORDS( out, data, count*4 );
else
for (i = 0; i < count; i++) {
out[0] = *(int *)data;
out[1] = *(int *)(data+4);
out[2] = *(int *)(data+8);
out[3] = *(int *)(data+12);
out += 4;
data += stride;
}
}
static void viaFastRenderClippedPoly(struct gl_context *ctx, const GLuint *elts,
GLuint n)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
GLuint vertsize = vmesa->vertexSize;
GLuint *vb = viaExtendPrimitive(vmesa, (n - 2) * 3 * 4 * vertsize);
GLubyte *vertptr = (GLubyte *)vmesa->verts;
const GLuint *start = (const GLuint *)V(elts[0]);
int i;
for (i = 2; i < n; i++) {
COPY_DWORDS(vb, vertsize, V(elts[i - 1]));
COPY_DWORDS(vb, vertsize, V(elts[i]));
COPY_DWORDS(vb, vertsize, start);
}
}
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 sisFastRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
GLuint n )
{
sisContextPtr smesa = SIS_CONTEXT( ctx );
GLuint vertsize = smesa->vertex_size;
GLuint *vb = r128AllocDmaLow( rmesa, (n-2) * 3 * 4 * vertsize );
GLubyte *sisverts = (GLubyte *)smesa->verts;
const GLuint shift = smesa->vertex_stride_shift;
const GLuint *start = (const GLuint *)VERT(elts[0]);
int i,j;
smesa->num_verts += (n-2) * 3;
for (i = 2 ; i < n ; i++) {
COPY_DWORDS( j, vb, vertsize, (sisVertexPtr) VERT(elts[i-1]) );
COPY_DWORDS( j, vb, vertsize, (sisVertexPtr) VERT(elts[i]) );
COPY_DWORDS( j, vb, vertsize, (sisVertexPtr) start );
}
}
static void emit_ubyte_rgba4( GLcontext *ctx,
struct radeon_dma_region *rvb,
char *data,
int stride,
int count )
{
int i;
int *out = (int *)(rvb->address + rvb->start);
if (RADEON_DEBUG & DEBUG_VERTS)
fprintf(stderr, "%s count %d stride %d\n",
__FUNCTION__, count, stride);
if (stride == 4)
COPY_DWORDS( out, data, count );
else
for (i = 0; i < count; i++) {
*out++ = LE32_TO_CPU(*(int *)data);
data += stride;
}
}
static void emit_vec4( GLcontext *ctx,
struct r200_dma_region *rvb,
char *data,
int stride,
int count )
{
int i;
int *out = (int *)(rvb->address + rvb->start);
if (R200_DEBUG & DEBUG_VERTS)
fprintf(stderr, "%s count %d stride %d\n",
__FUNCTION__, count, stride);
if (stride == 4)
COPY_DWORDS( out, data, count );
else
for (i = 0; i < count; i++) {
out[0] = *(int *)data;
out++;
data += stride;
}
}
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 );
}
static __inline__ void i810_draw_quad( i810ContextPtr imesa,
i810VertexPtr v0,
i810VertexPtr v1,
i810VertexPtr v2,
i810VertexPtr v3 )
{
GLuint vertsize = imesa->vertex_size;
GLuint *vb = i810AllocDmaLow( imesa, 6 * 4 * 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 );
}
static void emit_vec12( GLcontext *ctx,
struct r200_dma_region *rvb,
char *data,
int stride,
int count )
{
int i;
int *out = (int *)(rvb->address + rvb->start);
if (R200_DEBUG & DEBUG_VERTS)
fprintf(stderr, "%s count %d stride %d out %p data %p\n",
__FUNCTION__, count, stride, (void *)out, (void *)data);
if (stride == 12)
COPY_DWORDS( out, data, count*3 );
else
for (i = 0; i < count; i++) {
out[0] = *(int *)data;
out[1] = *(int *)(data+4);
out[2] = *(int *)(data+8);
out += 3;
data += stride;
}
}