diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_context.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_context.c | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c new file mode 100644 index 0000000000..16a75aa612 --- /dev/null +++ b/src/gallium/drivers/r300/r300_context.c @@ -0,0 +1,329 @@ +/* + * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> + * + * 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 + * on 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR 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. */ + +#include "draw/draw_context.h" + +#include "util/u_memory.h" +#include "util/u_sampler.h" +#include "util/u_simple_list.h" +#include "util/u_upload_mgr.h" + +#include "r300_cb.h" +#include "r300_context.h" +#include "r300_emit.h" +#include "r300_screen.h" +#include "r300_screen_buffer.h" +#include "r300_state_invariant.h" +#include "r300_winsys.h" + +#include <inttypes.h> + +static void r300_destroy_context(struct pipe_context* context) +{ + struct r300_context* r300 = r300_context(context); + struct r300_query *query, *temp; + struct r300_atom *atom; + + if (r300->texkill_sampler) { + pipe_sampler_view_reference( + (struct pipe_sampler_view**)&r300->texkill_sampler, + NULL); + } + + util_blitter_destroy(r300->blitter); + draw_destroy(r300->draw); + + /* Print stats, if enabled. */ + if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) { + fprintf(stderr, "r300: Stats for context %p:\n", r300); + fprintf(stderr, " : Flushes: %" PRIu64 "\n", r300->flush_counter); + foreach(atom, &r300->atom_list) { + fprintf(stderr, " : %s: %" PRIu64 " emits\n", + atom->name, atom->counter); + } + } + + /* If there are any queries pending or not destroyed, remove them now. */ + foreach_s(query, temp, &r300->query_list) { + remove_from_list(query); + FREE(query); + } + + u_upload_destroy(r300->upload_vb); + u_upload_destroy(r300->upload_ib); + + translate_cache_destroy(r300->tran.translate_cache); + + FREE(r300->blend_color_state.state); + FREE(r300->clip_state.state); + FREE(r300->fb_state.state); + FREE(r300->rs_block_state.state); + FREE(r300->scissor_state.state); + FREE(r300->textures_state.state); + FREE(r300->viewport_state.state); + FREE(r300->ztop_state.state); + FREE(r300->fs_constants.state); + FREE(r300->vs_constants.state); + if (!r300->screen->caps.has_tcl) { + FREE(r300->vertex_stream_state.state); + } + FREE(r300); +} + +static void r300_flush_cb(void *data) +{ + struct r300_context* const cs_context_copy = data; + + cs_context_copy->context.flush(&cs_context_copy->context, 0, NULL); +} + +#define R300_INIT_ATOM(atomname, atomsize) \ + r300->atomname.name = #atomname; \ + r300->atomname.state = NULL; \ + r300->atomname.size = atomsize; \ + r300->atomname.emit = r300_emit_##atomname; \ + r300->atomname.dirty = FALSE; \ + insert_at_tail(&r300->atom_list, &r300->atomname); + +static void r300_setup_atoms(struct r300_context* r300) +{ + boolean is_r500 = r300->screen->caps.is_r500; + boolean has_tcl = r300->screen->caps.has_tcl; + + /* Create the actual atom list. + * + * Each atom is examined and emitted in the order it appears here, which + * can affect performance and conformance if not handled with care. + * + * Some atoms never change size, others change every emit - those have + * the size of 0 here. */ + make_empty_list(&r300->atom_list); + R300_INIT_ATOM(invariant_state, 71); + R300_INIT_ATOM(ztop_state, 2); + R300_INIT_ATOM(query_start, 4); + R300_INIT_ATOM(blend_state, 8); + R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2); + R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2); + R300_INIT_ATOM(dsa_state, is_r500 ? 8 : 6); + R300_INIT_ATOM(fb_state, 0); + R300_INIT_ATOM(rs_state, 0); + R300_INIT_ATOM(scissor_state, 3); + R300_INIT_ATOM(viewport_state, 9); + R300_INIT_ATOM(rs_block_state, 0); + R300_INIT_ATOM(vertex_stream_state, 0); + R300_INIT_ATOM(pvs_flush, 2); + R300_INIT_ATOM(vs_state, 0); + R300_INIT_ATOM(vs_constants, 0); + R300_INIT_ATOM(texture_cache_inval, 2); + R300_INIT_ATOM(textures_state, 0); + R300_INIT_ATOM(fs, 0); + R300_INIT_ATOM(fs_rc_constant_state, 0); + R300_INIT_ATOM(fs_constants, 0); + + /* Replace emission functions for r500. */ + if (r300->screen->caps.is_r500) { + r300->fs.emit = r500_emit_fs; + r300->fs_rc_constant_state.emit = r500_emit_fs_rc_constant_state; + r300->fs_constants.emit = r500_emit_fs_constants; + } + + /* Some non-CSO atoms need explicit space to store the state locally. */ + r300->blend_color_state.state = CALLOC_STRUCT(r300_blend_color_state); + r300->clip_state.state = CALLOC_STRUCT(r300_clip_state); + r300->fb_state.state = CALLOC_STRUCT(pipe_framebuffer_state); + r300->rs_block_state.state = CALLOC_STRUCT(r300_rs_block); + r300->scissor_state.state = CALLOC_STRUCT(pipe_scissor_state); + r300->textures_state.state = CALLOC_STRUCT(r300_textures_state); + r300->viewport_state.state = CALLOC_STRUCT(r300_viewport_state); + r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state); + r300->fs_constants.state = CALLOC_STRUCT(r300_constant_buffer); + r300->vs_constants.state = CALLOC_STRUCT(r300_constant_buffer); + if (!r300->screen->caps.has_tcl) { + r300->vertex_stream_state.state = CALLOC_STRUCT(r300_vertex_stream_state); + } + + /* Some non-CSO atoms don't use the state pointer. */ + r300->invariant_state.allow_null_state = TRUE; + r300->fs_rc_constant_state.allow_null_state = TRUE; + r300->pvs_flush.allow_null_state = TRUE; + r300->query_start.allow_null_state = TRUE; + r300->texture_cache_inval.allow_null_state = TRUE; +} + +/* Not every state tracker calls every driver function before the first draw + * call and we must initialize the command buffers somehow. */ +static void r300_init_states(struct pipe_context *pipe) +{ + struct pipe_blend_color bc = {{0}}; + struct pipe_clip_state cs = {{{0}}}; + struct pipe_scissor_state ss = {0}; + struct r300_clip_state *clip = + (struct r300_clip_state*)r300_context(pipe)->clip_state.state; + CB_LOCALS; + + pipe->set_blend_color(pipe, &bc); + pipe->set_scissor_state(pipe, &ss); + + if (r300_context(pipe)->screen->caps.has_tcl) { + pipe->set_clip_state(pipe, &cs); + } else { + BEGIN_CB(clip->cb, 2); + OUT_CB_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); + END_CB; + } +} + +struct pipe_context* r300_create_context(struct pipe_screen* screen, + void *priv) +{ + struct r300_context* r300 = CALLOC_STRUCT(r300_context); + struct r300_screen* r300screen = r300_screen(screen); + struct r300_winsys_screen *rws = r300screen->rws; + + if (!r300) + return NULL; + + r300->rws = rws; + r300->screen = r300screen; + + r300->context.winsys = (struct pipe_winsys*)rws; + r300->context.screen = screen; + r300->context.priv = priv; + + r300->context.destroy = r300_destroy_context; + + if (!r300screen->caps.has_tcl) { + /* Create a Draw. This is used for SW TCL. */ + r300->draw = draw_create(&r300->context); + /* Enable our renderer. */ + draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300)); + /* Enable Draw's clipping. */ + draw_set_driver_clipping(r300->draw, FALSE); + /* Disable converting points/lines to triangles. */ + draw_wide_line_threshold(r300->draw, 10000000.f); + draw_wide_point_threshold(r300->draw, 10000000.f); + } + + r300_setup_atoms(r300); + + make_empty_list(&r300->query_list); + + r300_init_blit_functions(r300); + r300_init_flush_functions(r300); + r300_init_query_functions(r300); + r300_init_render_functions(r300); + r300_init_state_functions(r300); + r300_init_resource_functions(r300); + + r300->invariant_state.dirty = TRUE; + + rws->set_flush_cb(r300->rws, r300_flush_cb, r300); + r300->dirty_hw++; + + r300->blitter = util_blitter_create(&r300->context); + + r300->upload_ib = u_upload_create(&r300->context, + 32 * 1024, 16, + PIPE_BIND_INDEX_BUFFER); + + if (r300->upload_ib == NULL) + goto no_upload_ib; + + r300->upload_vb = u_upload_create(&r300->context, + 128 * 1024, 16, + PIPE_BIND_VERTEX_BUFFER); + if (r300->upload_vb == NULL) + goto no_upload_vb; + + r300->tran.translate_cache = translate_cache_create(); + + r300_init_states(&r300->context); + + /* The KIL opcode needs the first texture unit to be enabled + * on r3xx-r4xx. In order to calm down the CS checker, we bind this + * dummy texture there. */ + if (!r300->screen->caps.is_r500) { + struct pipe_resource *tex; + struct pipe_resource rtempl = {{0}}; + struct pipe_sampler_view vtempl = {{0}}; + + rtempl.target = PIPE_TEXTURE_2D; + rtempl.format = PIPE_FORMAT_I8_UNORM; + rtempl.bind = PIPE_BIND_SAMPLER_VIEW; + rtempl.width0 = 1; + rtempl.height0 = 1; + rtempl.depth0 = 1; + tex = screen->resource_create(screen, &rtempl); + + u_sampler_view_default_template(&vtempl, tex, tex->format); + + r300->texkill_sampler = (struct r300_sampler_view*) + r300->context.create_sampler_view(&r300->context, tex, &vtempl); + + pipe_resource_reference(&tex, NULL); + + /* This will make sure that the dummy texture is set up + * from the beginning even if an application does not use + * textures. */ + r300->textures_state.dirty = TRUE; + } + + return &r300->context; + + no_upload_ib: + u_upload_destroy(r300->upload_ib); + no_upload_vb: + FREE(r300); + return NULL; +} + +boolean r300_check_cs(struct r300_context *r300, unsigned size) +{ + return size <= r300->rws->get_cs_free_dwords(r300->rws); +} + +void r300_finish(struct r300_context *r300) +{ + struct pipe_framebuffer_state *fb; + unsigned i; + + /* This is a preliminary implementation of glFinish. + * + * The ideal implementation should use something like EmitIrqLocked and + * WaitIrq, or better, real fences. + */ + if (r300->fb_state.state) { + fb = r300->fb_state.state; + + for (i = 0; i < fb->nr_cbufs; i++) { + if (fb->cbufs[i]->texture) { + r300->rws->buffer_wait(r300->rws, + r300_texture(fb->cbufs[i]->texture)->buffer); + return; + } + } + if (fb->zsbuf && fb->zsbuf->texture) { + r300->rws->buffer_wait(r300->rws, + r300_texture(fb->zsbuf->texture)->buffer); + } + } +} |