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/*
* 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_simple_list.h"
#include "r300_blit.h"
#include "r300_context.h"
#include "r300_emit.h"
#include "r300_flush.h"
#include "r300_query.h"
#include "r300_render.h"
#include "r300_screen.h"
#include "r300_state_invariant.h"
#include "r300_texture.h"
#include "r300_winsys.h"
static void r300_destroy_context(struct pipe_context* context)
{
struct r300_context* r300 = r300_context(context);
struct r300_query* query, * temp;
util_blitter_destroy(r300->blitter);
draw_destroy(r300->draw);
/* Free the OQ BO. */
context->screen->buffer_destroy(r300->oqbo);
/* 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);
}
FREE(r300->blend_color_state.state);
FREE(r300->clip_state.state);
FREE(r300->rs_block_state.state);
FREE(r300->scissor_state.state);
FREE(r300->vertex_format_state.state);
FREE(r300->viewport_state.state);
FREE(r300->ztop_state.state);
FREE(r300);
}
static unsigned int
r300_is_texture_referenced(struct pipe_context *pipe,
struct pipe_texture *texture,
unsigned face, unsigned level)
{
struct pipe_buffer* buf = 0;
r300_get_texture_buffer(pipe->screen, texture, &buf, NULL);
return pipe->is_buffer_referenced(pipe, buf);
}
static unsigned int
r300_is_buffer_referenced(struct pipe_context *pipe,
struct pipe_buffer *buf)
{
/* This only checks to see whether actual hardware buffers are
* referenced. Since we use managed BOs and transfers, it's actually not
* possible for pipe_buffers to ever reference the actual hardware, so
* buffers are never referenced. */
return 0;
}
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##_state.name = #atomname; \
r300->atomname##_state.state = NULL; \
r300->atomname##_state.size = atomsize; \
r300->atomname##_state.emit = r300_emit_##atomname##_state; \
r300->atomname##_state.dirty = FALSE; \
insert_at_tail(&r300->atom_list, &r300->atomname##_state);
static void r300_setup_atoms(struct r300_context* r300)
{
/* 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. This is just
* an upper bound on each atom, to keep the emission machinery from
* underallocating space. */
make_empty_list(&r300->atom_list);
R300_INIT_ATOM(invariant, 71);
R300_INIT_ATOM(ztop, 2);
R300_INIT_ATOM(blend, 8);
R300_INIT_ATOM(blend_color, 3);
R300_INIT_ATOM(clip, 29);
R300_INIT_ATOM(dsa, 8);
R300_INIT_ATOM(fb, 56);
R300_INIT_ATOM(rs, 25);
R300_INIT_ATOM(scissor, 3);
R300_INIT_ATOM(viewport, 9);
R300_INIT_ATOM(rs_block, 21);
R300_INIT_ATOM(vertex_format, 26);
}
struct pipe_context* r300_create_context(struct pipe_screen* screen,
struct radeon_winsys* radeon_winsys)
{
struct r300_context* r300 = CALLOC_STRUCT(r300_context);
struct r300_screen* r300screen = r300_screen(screen);
if (!r300)
return NULL;
r300->winsys = radeon_winsys;
r300->context.winsys = (struct pipe_winsys*)radeon_winsys;
r300->context.screen = screen;
r300->context.destroy = r300_destroy_context;
r300->context.clear = r300_clear;
r300->context.surface_copy = r300_surface_copy;
r300->context.surface_fill = r300_surface_fill;
if (r300screen->caps->has_tcl) {
r300->context.draw_arrays = r300_draw_arrays;
r300->context.draw_elements = r300_draw_elements;
r300->context.draw_range_elements = r300_draw_range_elements;
} else {
r300->context.draw_arrays = r300_swtcl_draw_arrays;
r300->context.draw_elements = r300_draw_elements;
r300->context.draw_range_elements = r300_swtcl_draw_range_elements;
/* Create a Draw. This is used for SW TCL. */
r300->draw = draw_create();
/* Enable our renderer. */
draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300));
/* Enable Draw's clipping. */
draw_set_driver_clipping(r300->draw, FALSE);
/* Force Draw to never do viewport transform, since we can do
* transform in hardware, always. */
draw_set_viewport_state(r300->draw, &r300_viewport_identity);
}
r300->context.is_texture_referenced = r300_is_texture_referenced;
r300->context.is_buffer_referenced = r300_is_buffer_referenced;
r300_setup_atoms(r300);
r300->blend_color_state.state = CALLOC_STRUCT(r300_blend_color_state);
r300->clip_state.state = CALLOC_STRUCT(pipe_clip_state);
r300->rs_block_state.state = CALLOC_STRUCT(r300_rs_block);
r300->scissor_state.state = CALLOC_STRUCT(pipe_scissor_state);
r300->vertex_format_state.state = CALLOC_STRUCT(r300_vertex_info);
r300->viewport_state.state = CALLOC_STRUCT(r300_viewport_state);
r300->ztop_state.state = CALLOC_STRUCT(r300_ztop_state);
/* Open up the OQ BO. */
r300->oqbo = screen->buffer_create(screen, 4096,
PIPE_BUFFER_USAGE_VERTEX, 4096);
make_empty_list(&r300->query_list);
r300_init_flush_functions(r300);
r300_init_query_functions(r300);
/* r300_init_surface_functions(r300); */
r300_init_state_functions(r300);
r300->invariant_state.dirty = TRUE;
r300->winsys->set_flush_cb(r300->winsys, r300_flush_cb, r300);
r300->dirty_state = R300_NEW_KITCHEN_SINK;
r300->dirty_hw++;
r300->blitter = util_blitter_create(&r300->context);
return &r300->context;
}
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