| /* |
| * 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 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: Ben Skeggs |
| * |
| */ |
| |
| #include "draw/draw_context.h" |
| #include "tgsi/tgsi_parse.h" |
| |
| #include "nv_object.xml.h" |
| #include "nv30/nv30-40_3d.xml.h" |
| #include "nv30/nv30_context.h" |
| #include "nv30/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; |
| |
| if (unlikely(!fp->buffer)) |
| fp->buffer = pipe_buffer_create(pipe->screen, 0, 0, fp->insn_len * 4); |
| |
| #ifndef PIPE_ARCH_BIG_ENDIAN |
| pipe_buffer_write(pipe, fp->buffer, 0, fp->insn_len * 4, fp->insn); |
| #else |
| { |
| struct pipe_transfer *transfer; |
| uint32_t *map; |
| int i; |
| |
| map = pipe_buffer_map(pipe, fp->buffer, |
| PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE, |
| &transfer); |
| for (i = 0; i < fp->insn_len; i++) |
| *map++ = (fp->insn[i] >> 16) | (fp->insn[i] << 16); |
| pipe_buffer_unmap(pipe, transfer); |
| } |
| #endif |
| |
| 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; |
| bool upload = false; |
| int i; |
| |
| if (!fp->translated) { |
| _nvfx_fragprog_translate(eng3d->oclass, fp); |
| 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->texcoords); |
| } 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); |
| |
| if (fp->draw) |
| draw_delete_fragment_shader(nv30_context(pipe)->draw, fp->draw); |
| |
| FREE((void *)fp->pipe.tokens); |
| FREE(fp->insn); |
| FREE(fp->consts); |
| FREE(fp); |
| } |
| |
| static void |
| nv30_fp_state_bind(struct pipe_context *pipe, void *hwcso) |
| { |
| struct nv30_context *nv30 = nv30_context(pipe); |
| struct nv30_fragprog *fp = hwcso; |
| |
| /* reset the bucftx so that we don't keep a dangling reference to the fp |
| * code |
| */ |
| if (fp != nv30->state.fragprog) |
| nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGPROG); |
| |
| nv30->fragprog.program = fp; |
| 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; |
| } |