diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_state_constants.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_state_constants.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_state_constants.c b/src/gallium/drivers/svga/svga_state_constants.c index b6d6de0dca3..75592d3bf8b 100644 --- a/src/gallium/drivers/svga/svga_state_constants.c +++ b/src/gallium/drivers/svga/svga_state_constants.c @@ -704,6 +704,24 @@ emit_consts_vgpu10(struct svga_context *svga, unsigned shader) 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 &= ~16; + } + } + assert(size % 16 == 0); ret = SVGA3D_vgpu10_SetSingleConstantBuffer(svga->swc, index, |