diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/a3xx/fd3_zsa.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_zsa.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_zsa.c b/src/gallium/drivers/freedreno/a3xx/fd3_zsa.c new file mode 100644 index 00000000000..857ab8f106a --- /dev/null +++ b/src/gallium/drivers/freedreno/a3xx/fd3_zsa.c @@ -0,0 +1,100 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Rob Clark <robclark@freedesktop.org> + */ + + +#include "pipe/p_state.h" +#include "util/u_string.h" +#include "util/u_memory.h" + +#include "fd3_zsa.h" +#include "fd3_context.h" +#include "fd3_util.h" + +void * +fd3_zsa_state_create(struct pipe_context *pctx, + const struct pipe_depth_stencil_alpha_state *cso) +{ + struct fd3_zsa_stateobj *so; + + so = CALLOC_STRUCT(fd3_zsa_stateobj); + if (!so) + return NULL; + + so->base = *cso; + + so->rb_depth_control |= + A3XX_RB_DEPTH_CONTROL_ZFUNC(cso->depth.func); /* maps 1:1 */ + + if (cso->depth.enabled) + so->rb_depth_control |= + A3XX_RB_DEPTH_CONTROL_Z_ENABLE | + A3XX_RB_DEPTH_CONTROL_Z_TEST_ENABLE; + + if (cso->depth.writemask) + so->rb_depth_control |= A3XX_RB_DEPTH_CONTROL_Z_WRITE_ENABLE; + + if (cso->stencil[0].enabled) { + const struct pipe_stencil_state *s = &cso->stencil[0]; + + so->rb_stencil_control |= + A3XX_RB_STENCIL_CONTROL_STENCIL_ENABLE | + A3XX_RB_STENCIL_CONTROL_FUNC(s->func) | /* maps 1:1 */ + A3XX_RB_STENCIL_CONTROL_FAIL(fd_stencil_op(s->fail_op)) | + A3XX_RB_STENCIL_CONTROL_ZPASS(fd_stencil_op(s->zpass_op)) | + A3XX_RB_STENCIL_CONTROL_ZFAIL(fd_stencil_op(s->zfail_op)); + so->rb_stencilrefmask |= + 0xff000000 | /* ??? */ + A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(s->writemask) | + A3XX_RB_STENCILREFMASK_STENCILMASK(s->valuemask); + + if (cso->stencil[1].enabled) { + const struct pipe_stencil_state *bs = &cso->stencil[1]; + + so->rb_stencil_control |= + A3XX_RB_STENCIL_CONTROL_STENCIL_ENABLE_BF | + A3XX_RB_STENCIL_CONTROL_FUNC_BF(bs->func) | /* maps 1:1 */ + A3XX_RB_STENCIL_CONTROL_FAIL_BF(fd_stencil_op(bs->fail_op)) | + A3XX_RB_STENCIL_CONTROL_ZPASS_BF(fd_stencil_op(bs->zpass_op)) | + A3XX_RB_STENCIL_CONTROL_ZFAIL_BF(fd_stencil_op(bs->zfail_op)); + so->rb_stencilrefmask_bf |= + 0xff000000 | /* ??? */ + A3XX_RB_STENCILREFMASK_STENCILWRITEMASK(bs->writemask) | + A3XX_RB_STENCILREFMASK_STENCILMASK(bs->valuemask); + } + } + + if (cso->alpha.enabled) { + so->rb_render_control = + A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(cso->alpha.func); + // TODO alpha_ref and alpha_test_enable?? + } + + so->rb_render_control |= 0x2000; /* ??? */ + + return so; +} |