static void set_vertices( void )
{
struct pipe_vertex_element ve[2];
struct pipe_vertex_buffer vbuf;
void *handle;
memset(ve, 0, sizeof ve);
ve[0].src_offset = Offset(struct vertex, position);
ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
ve[1].src_offset = Offset(struct vertex, color);
ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
handle = ctx->create_vertex_elements_state(ctx, 2, ve);
ctx->bind_vertex_elements_state(ctx, handle);
memset(&vbuf, 0, sizeof vbuf);
vbuf.stride = sizeof( struct vertex );
vbuf.buffer_offset = 0;
vbuf.buffer = pipe_buffer_create_with_data(ctx,
PIPE_BIND_VERTEX_BUFFER,
PIPE_USAGE_STATIC,
sizeof(vertices),
vertices);
ctx->set_vertex_buffers(ctx, 0, 1, &vbuf);
}
static void set_vertices( void )
{
struct pipe_vertex_element ve[2];
struct pipe_vertex_buffer vbuf;
void *handle;
int x,y;
memset(ve, 0, sizeof ve);
ve[0].src_offset = Offset(struct vertex, position);
ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
ve[1].src_offset = Offset(struct vertex, color);
ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
handle = ctx->create_vertex_elements_state(ctx, 2, ve);
ctx->bind_vertex_elements_state(ctx, handle);
for (x = 0; x < MESH_SZ; x++) {
for (y = 0; y < MESH_SZ; y++) {
int i = y * MESH_SZ + x;
vertices[i].position[0] = ((float)x)/MESH_SZ * 2.0 - 1.0;
vertices[i].position[1] = ((float)y)/MESH_SZ * 2.0 - 1.0;
vertices[i].position[2] = 0;
vertices[i].position[3] = 1.0;
vertices[i].color[0] = .5;
vertices[i].color[1] = (float)x / (float)MESH_SZ;
vertices[i].color[2] = (float)y / (float)MESH_SZ;
}
}
memset(&vbuf, 0, sizeof vbuf);
vbuf.stride = sizeof( struct vertex );
vbuf.buffer_offset = 0;
vbuf.buffer = pipe_buffer_create_with_data(ctx,
PIPE_BIND_VERTEX_BUFFER,
PIPE_USAGE_STATIC,
sizeof(vertices),
vertices);
ctx->set_vertex_buffers(ctx, 0, 1, &vbuf);
}
static void set_vertices( void )
{
struct pipe_vertex_element ve[3];
struct pipe_vertex_buffer vbuf[2];
struct pipe_index_buffer ibuf;
void *handle;
memset(ve, 0, sizeof ve);
/* pos */
ve[0].src_offset = Offset(struct vertex, position);
ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
ve[0].vertex_buffer_index = 0;
/* color */
ve[1].src_offset = Offset(struct vertex, color);
ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
ve[1].vertex_buffer_index = 0;
/* per-instance info */
ve[2].src_offset = 0;
ve[2].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
ve[2].vertex_buffer_index = 1;
ve[2].instance_divisor = 1;
handle = ctx->create_vertex_elements_state(ctx, 3, ve);
ctx->bind_vertex_elements_state(ctx, handle);
memset(&vbuf, 0, sizeof vbuf);
/* vertex data */
vbuf[0].stride = sizeof( struct vertex );
vbuf[0].buffer_offset = 0;
vbuf[0].buffer = pipe_buffer_create_with_data(ctx,
PIPE_BIND_VERTEX_BUFFER,
PIPE_USAGE_STATIC,
sizeof(vertices),
vertices);
/* instance data */
vbuf[1].stride = sizeof( inst_data[0] );
vbuf[1].buffer_offset = 0;
vbuf[1].buffer = pipe_buffer_create_with_data(ctx,
PIPE_BIND_VERTEX_BUFFER,
PIPE_USAGE_STATIC,
sizeof(inst_data),
inst_data);
ctx->set_vertex_buffers(ctx, 0, 2, vbuf);
/* index data */
ibuf.buffer = pipe_buffer_create_with_data(ctx,
PIPE_BIND_INDEX_BUFFER,
PIPE_USAGE_STATIC,
sizeof(indices),
indices);
ibuf.offset = 0;
ibuf.index_size = 2;
ctx->set_index_buffer(ctx, &ibuf);
}