void
renderer_copy(struct xa_context *r,
int dx,
int dy,
int sx,
int sy,
int width, int height, float src_width, float src_height)
{
float s0, t0, s1, t1;
float x0, y0, x1, y1;
/* XXX: could put the texcoord scaling calculation into the vertex
* shader.
*/
s0 = sx / src_width;
s1 = (sx + width) / src_width;
t0 = sy / src_height;
t1 = (sy + height) / src_height;
x0 = dx;
x1 = dx + width;
y0 = dy;
y1 = dy + height;
/* draw quad */
renderer_draw_conditional(r, 4 * 8);
add_vertex_1tex(r, x0, y0, s0, t0);
add_vertex_1tex(r, x1, y0, s1, t0);
add_vertex_1tex(r, x1, y1, s1, t1);
add_vertex_1tex(r, x0, y1, s0, t1);
}
static void
setup_vertex_data_yuv(struct xa_context *r,
float srcX,
float srcY,
float srcW,
float srcH,
float dstX,
float dstY,
float dstW, float dstH, struct xa_surface *srf[])
{
float s0, t0, s1, t1;
float spt0[2], spt1[2];
struct pipe_resource *tex;
spt0[0] = srcX;
spt0[1] = srcY;
spt1[0] = srcX + srcW;
spt1[1] = srcY + srcH;
tex = srf[0]->tex;
s0 = spt0[0] / tex->width0;
t0 = spt0[1] / tex->height0;
s1 = spt1[0] / tex->width0;
t1 = spt1[1] / tex->height0;
/* 1st vertex */
add_vertex_1tex(r, dstX, dstY, s0, t0);
/* 2nd vertex */
add_vertex_1tex(r, dstX + dstW, dstY, s1, t0);
/* 3rd vertex */
add_vertex_1tex(r, dstX + dstW, dstY + dstH, s1, t1);
/* 4th vertex */
add_vertex_1tex(r, dstX, dstY + dstH, s0, t1);
}
static struct pipe_buffer *
setup_vertex_data_yuv(struct xorg_renderer *r,
float srcX, float srcY, float srcW, float srcH,
float dstX, float dstY, float dstW, float dstH,
struct pipe_texture **tex)
{
float s0, t0, s1, t1;
float spt0[2], spt1[2];
spt0[0] = srcX;
spt0[1] = srcY;
spt1[0] = srcX + srcW;
spt1[1] = srcY + srcH;
s0 = spt0[0] / tex[0]->width[0];
t0 = spt0[1] / tex[0]->height[0];
s1 = spt1[0] / tex[0]->width[0];
t1 = spt1[1] / tex[0]->height[0];
/* 1st vertex */
add_vertex_1tex(r, dstX, dstY, s0, t0);
/* 2nd vertex */
add_vertex_1tex(r, dstX + dstW, dstY,
s1, t0);
/* 3rd vertex */
add_vertex_1tex(r, dstX + dstW, dstY + dstH,
s1, t1);
/* 4th vertex */
add_vertex_1tex(r, dstX, dstY + dstH,
s0, t1);
return renderer_buffer_create(r);
}
static void
add_vertex_data1(struct xa_context *r,
float srcX, float srcY, float dstX, float dstY,
float width, float height,
struct pipe_resource *src, const float *src_matrix)
{
float s0, t0, s1, t1, s2, t2, s3, t3;
float pt0[2], pt1[2], pt2[2], pt3[2];
pt0[0] = srcX;
pt0[1] = srcY;
pt1[0] = (srcX + width);
pt1[1] = srcY;
pt2[0] = (srcX + width);
pt2[1] = (srcY + height);
pt3[0] = srcX;
pt3[1] = (srcY + height);
if (src_matrix) {
map_point((float *)src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]);
map_point((float *)src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]);
map_point((float *)src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]);
map_point((float *)src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]);
}
s0 = pt0[0] / src->width0;
s1 = pt1[0] / src->width0;
s2 = pt2[0] / src->width0;
s3 = pt3[0] / src->width0;
t0 = pt0[1] / src->height0;
t1 = pt1[1] / src->height0;
t2 = pt2[1] / src->height0;
t3 = pt3[1] / src->height0;
/* 1st vertex */
add_vertex_1tex(r, dstX, dstY, s0, t0);
/* 2nd vertex */
add_vertex_1tex(r, dstX + width, dstY, s1, t1);
/* 3rd vertex */
add_vertex_1tex(r, dstX + width, dstY + height, s2, t2);
/* 4th vertex */
add_vertex_1tex(r, dstX, dstY + height, s3, t3);
}
