static enum pipe_error
emit_consts_vgpu10(struct svga_context *svga, unsigned shader)
{
enum pipe_error ret;
unsigned dirty_constbufs;
unsigned enabled_constbufs;
/* Emit 0th constant buffer (with extra constants) */
ret = emit_constbuf_vgpu10(svga, shader);
if (ret != PIPE_OK) {
return ret;
}
enabled_constbufs = svga->state.hw_draw.enabled_constbufs[shader] | 1u;
/* Emit other constant buffers (UBOs) */
dirty_constbufs = svga->state.dirty_constbufs[shader] & ~1u;
while (dirty_constbufs) {
unsigned index = u_bit_scan(&dirty_constbufs);
unsigned offset = svga->curr.constbufs[shader][index].buffer_offset;
unsigned size = svga->curr.constbufs[shader][index].buffer_size;
struct svga_buffer *buffer =
svga_buffer(svga->curr.constbufs[shader][index].buffer);
struct svga_winsys_surface *handle;
if (buffer) {
handle = svga_buffer_handle(svga, &buffer->b.b);
enabled_constbufs |= 1 << index;
}
else {
handle = NULL;
enabled_constbufs &= ~(1 << index);
assert(offset == 0);
assert(size == 0);
}
assert(size % 16 == 0);
ret = SVGA3D_vgpu10_SetSingleConstantBuffer(svga->swc,
index,
svga_shader_type(shader),
handle,
offset,
size);
if (ret != PIPE_OK)
return ret;
}
svga->state.hw_draw.enabled_constbufs[shader] = enabled_constbufs;
svga->state.dirty_constbufs[shader] = 0;
return ret;
}
static enum pipe_error
emit_consts_vgpu10(struct svga_context *svga, unsigned shader)
{
enum pipe_error ret;
unsigned dirty_constbufs;
unsigned enabled_constbufs;
/* Emit 0th constant buffer (with extra constants) */
ret = emit_constbuf_vgpu10(svga, shader);
if (ret != PIPE_OK) {
return ret;
}
enabled_constbufs = svga->state.hw_draw.enabled_constbufs[shader] | 1u;
/* Emit other constant buffers (UBOs) */
dirty_constbufs = svga->state.dirty_constbufs[shader] & ~1u;
while (dirty_constbufs) {
unsigned index = u_bit_scan(&dirty_constbufs);
unsigned offset = svga->curr.constbufs[shader][index].buffer_offset;
unsigned size = svga->curr.constbufs[shader][index].buffer_size;
struct svga_buffer *buffer =
svga_buffer(svga->curr.constbufs[shader][index].buffer);
struct svga_winsys_surface *handle;
if (buffer) {
handle = svga_buffer_handle(svga, &buffer->b.b);
enabled_constbufs |= 1 << index;
}
else {
handle = NULL;
enabled_constbufs &= ~(1 << index);
assert(offset == 0);
assert(size == 0);
}
if (size % 16 != 0) {
/* GL's buffer range sizes can be any number of bytes but the
* SVGA3D device requires a multiple of 16 bytes.
*/
const unsigned total_size = buffer->b.b.width0;
if (offset + align(size, 16) <= total_size) {
/* round up size to multiple of 16 */
size = align(size, 16);
}
else {
/* round down to mulitple of 16 (this may cause rendering problems
* but should avoid a device error).
*/
size &= ~15;
}
}
assert(size % 16 == 0);
ret = SVGA3D_vgpu10_SetSingleConstantBuffer(svga->swc,
index,
svga_shader_type(shader),
handle,
offset,
size);
if (ret != PIPE_OK)
return ret;
svga->hud.num_const_buf_updates++;
}
svga->state.hw_draw.enabled_constbufs[shader] = enabled_constbufs;
svga->state.dirty_constbufs[shader] = 0;
return ret;
}
