diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_cs_legacy.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_cs_legacy.c | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_cs_legacy.c b/src/mesa/drivers/dri/radeon/radeon_cs_legacy.c new file mode 100644 index 0000000000..587e2acf91 --- /dev/null +++ b/src/mesa/drivers/dri/radeon/radeon_cs_legacy.c @@ -0,0 +1,408 @@ +/* + * Copyright © 2008 Nicolai Haehnle + * Copyright © 2008 Jérôme Glisse + * All Rights Reserved. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + */ +/* + * Authors: + * Aapo Tahkola <aet@rasterburn.org> + * Nicolai Haehnle <prefect_@gmx.net> + * Jérôme Glisse <glisse@freedesktop.org> + */ +#include <errno.h> + +#include "radeon_bocs_wrapper.h" + +struct cs_manager_legacy { + struct radeon_cs_manager base; + struct radeon_context *ctx; + /* hack for scratch stuff */ + uint32_t pending_age; + uint32_t pending_count; + + +}; + +struct cs_reloc_legacy { + struct radeon_cs_reloc base; + uint32_t cindices; + uint32_t *indices; +}; + + +static struct radeon_cs *cs_create(struct radeon_cs_manager *csm, + uint32_t ndw) +{ + struct radeon_cs *cs; + + cs = (struct radeon_cs*)calloc(1, sizeof(struct radeon_cs)); + if (cs == NULL) { + return NULL; + } + cs->csm = csm; + cs->ndw = (ndw + 0x3FF) & (~0x3FF); + cs->packets = (uint32_t*)malloc(4*cs->ndw); + if (cs->packets == NULL) { + free(cs); + return NULL; + } + cs->relocs_total_size = 0; + return cs; +} + +static int cs_write_reloc(struct radeon_cs *cs, + struct radeon_bo *bo, + uint32_t read_domain, + uint32_t write_domain, + uint32_t flags) +{ + struct cs_reloc_legacy *relocs; + int i; + + relocs = (struct cs_reloc_legacy *)cs->relocs; + /* check domains */ + if ((read_domain && write_domain) || (!read_domain && !write_domain)) { + /* in one CS a bo can only be in read or write domain but not + * in read & write domain at the same sime + */ + return -EINVAL; + } + if (read_domain == RADEON_GEM_DOMAIN_CPU) { + return -EINVAL; + } + if (write_domain == RADEON_GEM_DOMAIN_CPU) { + return -EINVAL; + } + /* check if bo is already referenced */ + for(i = 0; i < cs->crelocs; i++) { + uint32_t *indices; + + if (relocs[i].base.bo->handle == bo->handle) { + /* Check domains must be in read or write. As we check already + * checked that in argument one of the read or write domain was + * set we only need to check that if previous reloc as the read + * domain set then the read_domain should also be set for this + * new relocation. + */ + if (relocs[i].base.read_domain && !read_domain) { + return -EINVAL; + } + if (relocs[i].base.write_domain && !write_domain) { + return -EINVAL; + } + relocs[i].base.read_domain |= read_domain; + relocs[i].base.write_domain |= write_domain; + /* save indice */ + relocs[i].cindices++; + indices = (uint32_t*)realloc(relocs[i].indices, + relocs[i].cindices * 4); + if (indices == NULL) { + relocs[i].cindices -= 1; + return -ENOMEM; + } + relocs[i].indices = indices; + relocs[i].indices[relocs[i].cindices - 1] = cs->cdw - 1; + return 0; + } + } + /* add bo to reloc */ + relocs = (struct cs_reloc_legacy*) + realloc(cs->relocs, + sizeof(struct cs_reloc_legacy) * (cs->crelocs + 1)); + if (relocs == NULL) { + return -ENOMEM; + } + cs->relocs = relocs; + relocs[cs->crelocs].base.bo = bo; + relocs[cs->crelocs].base.read_domain = read_domain; + relocs[cs->crelocs].base.write_domain = write_domain; + relocs[cs->crelocs].base.flags = flags; + relocs[cs->crelocs].indices = (uint32_t*)malloc(4); + if (relocs[cs->crelocs].indices == NULL) { + return -ENOMEM; + } + relocs[cs->crelocs].indices[0] = cs->cdw - 1; + relocs[cs->crelocs].cindices = 1; + cs->relocs_total_size += radeon_bo_legacy_relocs_size(bo); + cs->crelocs++; + radeon_bo_ref(bo); + return 0; +} + +static int cs_begin(struct radeon_cs *cs, + uint32_t ndw, + const char *file, + const char *func, + int line) +{ + if (cs->section) { + fprintf(stderr, "CS already in a section(%s,%s,%d)\n", + cs->section_file, cs->section_func, cs->section_line); + fprintf(stderr, "CS can't start section(%s,%s,%d)\n", + file, func, line); + return -EPIPE; + } + cs->section = 1; + cs->section_ndw = ndw; + cs->section_cdw = 0; + cs->section_file = file; + cs->section_func = func; + cs->section_line = line; + + + if (cs->cdw + ndw > cs->ndw) { + uint32_t tmp, *ptr; + int num = (ndw > 0x3FF) ? ndw : 0x3FF; + + tmp = (cs->cdw + 1 + num) & (~num); + ptr = (uint32_t*)realloc(cs->packets, 4 * tmp); + if (ptr == NULL) { + return -ENOMEM; + } + cs->packets = ptr; + cs->ndw = tmp; + } + + return 0; +} + +static int cs_end(struct radeon_cs *cs, + const char *file, + const char *func, + int line) + +{ + if (!cs->section) { + fprintf(stderr, "CS no section to end at (%s,%s,%d)\n", + file, func, line); + return -EPIPE; + } + cs->section = 0; + if (cs->section_ndw != cs->section_cdw) { + fprintf(stderr, "CS section size missmatch start at (%s,%s,%d) %d vs %d\n", + cs->section_file, cs->section_func, cs->section_line, cs->section_ndw, cs->section_cdw); + fprintf(stderr, "CS section end at (%s,%s,%d)\n", + file, func, line); + return -EPIPE; + } + return 0; +} + +static int cs_process_relocs(struct radeon_cs *cs) +{ + struct cs_manager_legacy *csm = (struct cs_manager_legacy*)cs->csm; + struct cs_reloc_legacy *relocs; + int i, j, r; + + csm = (struct cs_manager_legacy*)cs->csm; + relocs = (struct cs_reloc_legacy *)cs->relocs; +restart: + for (i = 0; i < cs->crelocs; i++) + { + for (j = 0; j < relocs[i].cindices; j++) + { + uint32_t soffset, eoffset; + + r = radeon_bo_legacy_validate(relocs[i].base.bo, + &soffset, &eoffset); + if (r == -EAGAIN) + { + goto restart; + } + if (r) + { + fprintf(stderr, "validated %p [0x%08X, 0x%08X]\n", + relocs[i].base.bo, soffset, eoffset); + return r; + } + cs->packets[relocs[i].indices[j]] += soffset; + if (cs->packets[relocs[i].indices[j]] >= eoffset) + { + /* radeon_bo_debug(relocs[i].base.bo, 12); */ + fprintf(stderr, "validated %p [0x%08X, 0x%08X]\n", + relocs[i].base.bo, soffset, eoffset); + fprintf(stderr, "above end: %p 0x%08X 0x%08X\n", + relocs[i].base.bo, + cs->packets[relocs[i].indices[j]], + eoffset); + exit(0); + return -EINVAL; + } + } + } + return 0; +} + +static int cs_set_age(struct radeon_cs *cs) +{ + struct cs_manager_legacy *csm = (struct cs_manager_legacy*)cs->csm; + struct cs_reloc_legacy *relocs; + int i; + + relocs = (struct cs_reloc_legacy *)cs->relocs; + for (i = 0; i < cs->crelocs; i++) { + radeon_bo_legacy_pending(relocs[i].base.bo, csm->pending_age); + radeon_bo_unref(relocs[i].base.bo); + } + return 0; +} + +static int cs_emit(struct radeon_cs *cs) +{ + struct cs_manager_legacy *csm = (struct cs_manager_legacy*)cs->csm; + drm_radeon_cmd_buffer_t cmd; + drm_r300_cmd_header_t age; + uint64_t ull; + int r; + + csm->ctx->vtbl.emit_cs_header(cs, csm->ctx); + + /* append buffer age */ + if ( IS_R300_CLASS(csm->ctx->radeonScreen) ) + { + age.scratch.cmd_type = R300_CMD_SCRATCH; + /* Scratch register 2 corresponds to what radeonGetAge polls */ + csm->pending_age = 0; + csm->pending_count = 1; + ull = (uint64_t) (intptr_t) &csm->pending_age; + age.scratch.reg = 2; + age.scratch.n_bufs = 1; + age.scratch.flags = 0; + radeon_cs_write_dword(cs, age.u); + radeon_cs_write_qword(cs, ull); + radeon_cs_write_dword(cs, 0); + } + + r = cs_process_relocs(cs); + if (r) { + return 0; + } + + cmd.buf = (char *)cs->packets; + cmd.bufsz = cs->cdw * 4; + if (csm->ctx->state.scissor.enabled) { + cmd.nbox = csm->ctx->state.scissor.numClipRects; + cmd.boxes = (drm_clip_rect_t *) csm->ctx->state.scissor.pClipRects; + } else { + cmd.nbox = csm->ctx->numClipRects; + cmd.boxes = (drm_clip_rect_t *) csm->ctx->pClipRects; + } + + //dump_cmdbuf(cs); + + r = drmCommandWrite(cs->csm->fd, DRM_RADEON_CMDBUF, &cmd, sizeof(cmd)); + if (r) { + return r; + } + if ((!IS_R300_CLASS(csm->ctx->radeonScreen)) && + (!IS_R600_CLASS(csm->ctx->radeonScreen))) { /* +r6/r7 : No irq for r6/r7 yet. */ + drm_radeon_irq_emit_t emit_cmd; + emit_cmd.irq_seq = (int*)&csm->pending_age; + r = drmCommandWrite(cs->csm->fd, DRM_RADEON_IRQ_EMIT, &emit_cmd, sizeof(emit_cmd)); + if (r) { + return r; + } + } + cs_set_age(cs); + + cs->csm->read_used = 0; + cs->csm->vram_write_used = 0; + cs->csm->gart_write_used = 0; + return 0; +} + +static void inline cs_free_reloc(void *relocs_p, int crelocs) +{ + struct cs_reloc_legacy *relocs = relocs_p; + int i; + if (!relocs_p) + return; + for (i = 0; i < crelocs; i++) + free(relocs[i].indices); +} + +static int cs_destroy(struct radeon_cs *cs) +{ + cs_free_reloc(cs->relocs, cs->crelocs); + free(cs->relocs); + free(cs->packets); + free(cs); + return 0; +} + +static int cs_erase(struct radeon_cs *cs) +{ + cs_free_reloc(cs->relocs, cs->crelocs); + free(cs->relocs); + cs->relocs_total_size = 0; + cs->relocs = NULL; + cs->crelocs = 0; + cs->cdw = 0; + cs->section = 0; + return 0; +} + +static int cs_need_flush(struct radeon_cs *cs) +{ + /* this function used to flush when the BO usage got to + * a certain size, now the higher levels handle this better */ + return 0; +} + +static void cs_print(struct radeon_cs *cs, FILE *file) +{ +} + +static struct radeon_cs_funcs radeon_cs_legacy_funcs = { + cs_create, + cs_write_reloc, + cs_begin, + cs_end, + cs_emit, + cs_destroy, + cs_erase, + cs_need_flush, + cs_print, +}; + +struct radeon_cs_manager *radeon_cs_manager_legacy_ctor(struct radeon_context *ctx) +{ + struct cs_manager_legacy *csm; + + csm = (struct cs_manager_legacy*) + calloc(1, sizeof(struct cs_manager_legacy)); + if (csm == NULL) { + return NULL; + } + csm->base.funcs = &radeon_cs_legacy_funcs; + csm->base.fd = ctx->dri.fd; + csm->ctx = ctx; + csm->pending_age = 1; + return (struct radeon_cs_manager*)csm; +} + +void radeon_cs_manager_legacy_dtor(struct radeon_cs_manager *csm) +{ + free(csm); +} + |