diff options
Diffstat (limited to 'src/gallium/drivers/nv30/nv30_fragprog.c')
| -rw-r--r-- | src/gallium/drivers/nv30/nv30_fragprog.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_fragprog.c b/src/gallium/drivers/nv30/nv30_fragprog.c new file mode 100644 index 00000000000..865c8283add --- /dev/null +++ b/src/gallium/drivers/nv30/nv30_fragprog.c @@ -0,0 +1,170 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * 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 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 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: Ben Skeggs + * + */ + +#include "tgsi/tgsi_parse.h" + +#include "nouveau/nv_object.xml.h" +#include "nv30-40_3d.xml.h" +#include "nv30_context.h" +#include "nvfx_shader.h" + +static void +nv30_fragprog_upload(struct nv30_context *nv30) +{ + struct nouveau_context *nv = &nv30->base; + struct nv30_fragprog *fp = nv30->fragprog.program; + struct pipe_context *pipe = &nv30->base.pipe; + struct pipe_transfer *transfer; + uint32_t *map; + int i; (void)i; + + if (unlikely(!fp->buffer)) { + fp->buffer = pipe_buffer_create(pipe->screen, 0, 0, fp->insn_len * 4); + } + + map = pipe_buffer_map(pipe, fp->buffer, PIPE_TRANSFER_WRITE, &transfer); +#ifndef PIPE_ARCH_BIG_ENDIAN + memcpy(map, fp->insn, fp->insn_len * 4); +#else + for (i = 0; i < fp->insn_len; i++) + *map++ = (fp->insn[i] >> 16) | (fp->insn[i] << 16); +#endif + pipe_buffer_unmap(pipe, transfer); + + if (nv04_resource(fp->buffer)->domain != NOUVEAU_BO_VRAM) + nouveau_buffer_migrate(nv, nv04_resource(fp->buffer), NOUVEAU_BO_VRAM); +} + +void +nv30_fragprog_validate(struct nv30_context *nv30) +{ + struct nouveau_pushbuf *push = nv30->base.pushbuf; + struct nouveau_object *eng3d = nv30->screen->eng3d; + struct nv30_fragprog *fp = nv30->fragprog.program; + boolean upload = FALSE; + int i; + + if (!fp->translated) { + _nvfx_fragprog_translate(nv30, fp, FALSE); + if (!fp->translated) + return; + + upload = TRUE; + } + + /* update constants, also needs to be done on every fp switch as we + * have no idea whether the constbuf changed in the meantime + */ + if (nv30->fragprog.constbuf) { + struct pipe_resource *constbuf = nv30->fragprog.constbuf; + uint32_t *cbuf = (uint32_t *)nv04_resource(constbuf)->data; + + for (i = 0; i < fp->nr_consts; i++) { + unsigned off = fp->consts[i].offset; + unsigned idx = fp->consts[i].index * 4; + + if (!memcmp(&fp->insn[off], &cbuf[idx], 4 * 4)) + continue; + memcpy(&fp->insn[off], &cbuf[idx], 4 * 4); + upload = TRUE; + } + } + + if (upload) + nv30_fragprog_upload(nv30); + + /* FP_ACTIVE_PROGRAM needs to be done again even if only the consts + * were updated. TEX_CACHE_CTL magic is not enough to convince the + * GPU that it should re-read the fragprog from VRAM... sigh. + */ + if (nv30->state.fragprog != fp || upload) { + struct nv04_resource *r = nv04_resource(fp->buffer); + + if (!PUSH_SPACE(push, 8)) + return; + PUSH_RESET(push, BUFCTX_FRAGPROG); + + BEGIN_NV04(push, NV30_3D(FP_ACTIVE_PROGRAM), 1); + PUSH_RESRC(push, NV30_3D(FP_ACTIVE_PROGRAM), BUFCTX_FRAGPROG, r, 0, + NOUVEAU_BO_LOW | NOUVEAU_BO_RD | NOUVEAU_BO_OR, + NV30_3D_FP_ACTIVE_PROGRAM_DMA0, + NV30_3D_FP_ACTIVE_PROGRAM_DMA1); + BEGIN_NV04(push, NV30_3D(FP_CONTROL), 1); + PUSH_DATA (push, fp->fp_control); + if (eng3d->oclass < NV40_3D_CLASS) { + BEGIN_NV04(push, NV30_3D(FP_REG_CONTROL), 1); + PUSH_DATA (push, 0x00010004); + BEGIN_NV04(push, NV30_3D(TEX_UNITS_ENABLE), 1); + PUSH_DATA (push, fp->samplers); + } else { + BEGIN_NV04(push, SUBC_3D(0x0b40), 1); + PUSH_DATA (push, 0x00000000); + } + + nv30->state.fragprog = fp; + } +} + +static void * +nv30_fp_state_create(struct pipe_context *pipe, + const struct pipe_shader_state *cso) +{ + struct nv30_fragprog *fp = CALLOC_STRUCT(nv30_fragprog); + if (!fp) + return NULL; + + fp->pipe.tokens = tgsi_dup_tokens(cso->tokens); + tgsi_scan_shader(fp->pipe.tokens, &fp->info); + return fp; +} + +static void +nv30_fp_state_delete(struct pipe_context *pipe, void *hwcso) +{ + struct nv30_fragprog *fp = hwcso; + + pipe_resource_reference(&fp->buffer, NULL); + + FREE((void *)fp->pipe.tokens); + FREE(fp->insn); + FREE(fp); +} + +static void +nv30_fp_state_bind(struct pipe_context *pipe, void *hwcso) +{ + struct nv30_context *nv30 = nv30_context(pipe); + + nv30->fragprog.program = hwcso; + nv30->dirty |= NV30_NEW_FRAGPROG; +} + +void +nv30_fragprog_init(struct pipe_context *pipe) +{ + pipe->create_fs_state = nv30_fp_state_create; + pipe->bind_fs_state = nv30_fp_state_bind; + pipe->delete_fs_state = nv30_fp_state_delete; +} |