diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 2a77fd17390..c9507ae1937 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -555,25 +555,41 @@ static void r300_set_viewport_state(struct pipe_context* pipe, { struct r300_context* r300 = r300_context(pipe); - r300->viewport_state->xscale = state->scale[0]; - r300->viewport_state->yscale = state->scale[1]; - r300->viewport_state->zscale = state->scale[2]; - - r300->viewport_state->xoffset = state->translate[0]; - r300->viewport_state->yoffset = state->translate[1]; - r300->viewport_state->zoffset = state->translate[2]; - - r300->viewport_state->vte_control = 0; if (r300_screen(r300->context.screen)->caps->has_tcl) { /* Do the transform in HW. */ - r300->viewport_state->vte_control |= - R300_VPORT_X_SCALE_ENA | R300_VPORT_X_OFFSET_ENA | - R300_VPORT_Y_SCALE_ENA | R300_VPORT_Y_OFFSET_ENA | - R300_VPORT_Z_SCALE_ENA | R300_VPORT_Z_OFFSET_ENA; + r300->viewport_state->vte_control = R300_VTX_W0_FMT; + + if (state->scale[0] != 1.0f) { + r300->viewport_state->xscale = state->scale[0]; + r300->viewport_state->vte_control |= R300_VPORT_X_SCALE_ENA; + } + if (state->scale[1] != 1.0f) { + r300->viewport_state->yscale = state->scale[1]; + r300->viewport_state->vte_control |= R300_VPORT_Y_SCALE_ENA; + } + if (state->scale[2] != 1.0f) { + r300->viewport_state->zscale = state->scale[2]; + r300->viewport_state->vte_control |= R300_VPORT_Z_SCALE_ENA; + } + if (state->translate[0] != 0.0f) { + r300->viewport_state->xoffset = state->translate[0]; + r300->viewport_state->vte_control |= R300_VPORT_X_OFFSET_ENA; + } + if (state->translate[1] != 0.0f) { + r300->viewport_state->yoffset = state->translate[1]; + r300->viewport_state->vte_control |= R300_VPORT_Y_OFFSET_ENA; + } + if (state->translate[2] != 0.0f) { + r300->viewport_state->zoffset = state->translate[2]; + r300->viewport_state->vte_control |= R300_VPORT_Z_OFFSET_ENA; + } } else { + r300->viewport_state->vte_control = 0; /* Have Draw do the actual transform. */ draw_set_viewport_state(r300->draw, state); } + + r300->dirty_state |= R300_NEW_VIEWPORT; } static void r300_set_vertex_buffers(struct pipe_context* pipe, |