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kolibrios/drivers/video/drm/i915/sna/sna.c
Sergey Semyonov (Serge) 8fd9581723 render context and composite render 
git-svn-id: svn://kolibrios.org@2361 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-02-21 06:06:51 +00:00

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C
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#include <drmP.h>
#include <drm.h>
#include "i915_drm.h"
#include "i915_drv.h"
#include "intel_drv.h"
#include <linux/kernel.h>
#include <linux/module.h>
#include <errno-base.h>
#include <memory.h>
#include <syscall.h>
#include "../bitmap.h"
#include "sna.h"
struct kgem_bo *create_bo(bitmap_t *bitmap);
static Bool sna_solid_cache_init(struct sna *sna);
struct sna *sna_device;
void no_render_init(struct sna *sna)
{
struct sna_render *render = &sna->render;
memset (render,0, sizeof (*render));
render->vertices = render->vertex_data;
render->vertex_size = ARRAY_SIZE(render->vertex_data);
// render->composite = no_render_composite;
// render->copy_boxes = no_render_copy_boxes;
// render->copy = no_render_copy;
// render->fill_boxes = no_render_fill_boxes;
// render->fill = no_render_fill;
// render->fill_one = no_render_fill_one;
// render->clear = no_render_clear;
// render->reset = no_render_reset;
// render->flush = no_render_flush;
// render->fini = no_render_fini;
// sna->kgem.context_switch = no_render_context_switch;
// sna->kgem.retire = no_render_retire;
// if (sna->kgem.gen >= 60)
sna->kgem.ring = KGEM_RENDER;
}
Bool sna_accel_init(struct sna *sna)
{
const char *backend;
// list_init(&sna->deferred_free);
// list_init(&sna->dirty_pixmaps);
// list_init(&sna->active_pixmaps);
// list_init(&sna->inactive_clock[0]);
// list_init(&sna->inactive_clock[1]);
// sna_accel_install_timers(sna);
backend = "no";
sna->have_render = false;
sna->default_tiling = 0; //I915_TILING_X;
no_render_init(sna);
if ((sna->have_render = gen6_render_init(sna)))
backend = "SandyBridge";
/*
if (sna->chipset.info->gen >= 80) {
} else if (sna->chipset.info->gen >= 70) {
if ((sna->have_render = gen7_render_init(sna)))
backend = "IvyBridge";
} else if (sna->chipset.info->gen >= 60) {
if ((sna->have_render = gen6_render_init(sna)))
backend = "SandyBridge";
} else if (sna->chipset.info->gen >= 50) {
if ((sna->have_render = gen5_render_init(sna)))
backend = "Ironlake";
} else if (sna->chipset.info->gen >= 40) {
if ((sna->have_render = gen4_render_init(sna)))
backend = "Broadwater";
} else if (sna->chipset.info->gen >= 30) {
if ((sna->have_render = gen3_render_init(sna)))
backend = "gen3";
} else if (sna->chipset.info->gen >= 20) {
if ((sna->have_render = gen2_render_init(sna)))
backend = "gen2";
}
*/
DBG(("%s(backend=%s, have_render=%d)\n",
__FUNCTION__, backend, sna->have_render));
kgem_reset(&sna->kgem);
if (!sna_solid_cache_init(sna))
return FALSE;
sna_device = sna;
#if 0
{
struct kgem_bo *screen_bo;
bitmap_t screen;
screen.pitch = 1024*4;
screen.gaddr = 0;
screen.width = 1024;
screen.height = 768;
screen.obj = (void*)-1;
screen_bo = create_bo(&screen);
sna->render.clear(sna, &screen, screen_bo);
}
#endif
return TRUE;
}
int sna_init()
{
struct sna *sna;
DBG(("%s\n", __FUNCTION__));
sna = kzalloc(sizeof(struct sna), 0);
if (sna == NULL)
return FALSE;
// sna->mode.cpp = 4;
kgem_init(&sna->kgem, 60);
/*
if (!xf86ReturnOptValBool(sna->Options,
OPTION_RELAXED_FENCING,
sna->kgem.has_relaxed_fencing)) {
xf86DrvMsg(scrn->scrnIndex,
sna->kgem.has_relaxed_fencing ? X_CONFIG : X_PROBED,
"Disabling use of relaxed fencing\n");
sna->kgem.has_relaxed_fencing = 0;
}
if (!xf86ReturnOptValBool(sna->Options,
OPTION_VMAP,
sna->kgem.has_vmap)) {
xf86DrvMsg(scrn->scrnIndex,
sna->kgem.has_vmap ? X_CONFIG : X_PROBED,
"Disabling use of vmap\n");
sna->kgem.has_vmap = 0;
}
*/
/* Disable tiling by default */
sna->tiling = SNA_TILING_DISABLE;
/* Default fail-safe value of 75 Hz */
// sna->vblank_interval = 1000 * 1000 * 1000 / 75;
sna->flags = 0;
sna->flags |= SNA_NO_THROTTLE;
sna->flags |= SNA_NO_DELAYED_FLUSH;
return sna_accel_init(sna);
}
static Bool sna_solid_cache_init(struct sna *sna)
{
struct sna_solid_cache *cache = &sna->render.solid_cache;
DBG(("%s\n", __FUNCTION__));
cache->cache_bo =
kgem_create_linear(&sna->kgem, sizeof(cache->color));
if (!cache->cache_bo)
return FALSE;
/*
* Initialise [0] with white since it is very common and filling the
* zeroth slot simplifies some of the checks.
*/
cache->color[0] = 0xffffffff;
cache->bo[0] = kgem_create_proxy(cache->cache_bo, 0, sizeof(uint32_t));
cache->bo[0]->pitch = 4;
cache->dirty = 1;
cache->size = 1;
cache->last = 0;
return TRUE;
}
void
sna_render_flush_solid(struct sna *sna)
{
struct sna_solid_cache *cache = &sna->render.solid_cache;
DBG(("sna_render_flush_solid(size=%d)\n", cache->size));
assert(cache->dirty);
assert(cache->size);
kgem_bo_write(&sna->kgem, cache->cache_bo,
cache->color, cache->size*sizeof(uint32_t));
cache->dirty = 0;
cache->last = 0;
}
static void
sna_render_finish_solid(struct sna *sna, bool force)
{
struct sna_solid_cache *cache = &sna->render.solid_cache;
int i;
DBG(("sna_render_finish_solid(force=%d, domain=%d, busy=%d, dirty=%d)\n",
force, cache->cache_bo->domain, cache->cache_bo->rq != NULL, cache->dirty));
if (!force && cache->cache_bo->domain != DOMAIN_GPU)
return;
if (cache->dirty)
sna_render_flush_solid(sna);
for (i = 0; i < cache->size; i++) {
if (cache->bo[i] == NULL)
continue;
kgem_bo_destroy(&sna->kgem, cache->bo[i]);
cache->bo[i] = NULL;
}
kgem_bo_destroy(&sna->kgem, cache->cache_bo);
DBG(("sna_render_finish_solid reset\n"));
cache->cache_bo = kgem_create_linear(&sna->kgem, sizeof(cache->color));
cache->bo[0] = kgem_create_proxy(cache->cache_bo, 0, sizeof(uint32_t));
cache->bo[0]->pitch = 4;
if (force)
cache->size = 1;
}
struct kgem_bo *
sna_render_get_solid(struct sna *sna, uint32_t color)
{
struct sna_solid_cache *cache = &sna->render.solid_cache;
int i;
DBG(("%s: %08x\n", __FUNCTION__, color));
// if ((color & 0xffffff) == 0) /* alpha only */
// return kgem_bo_reference(sna->render.alpha_cache.bo[color>>24]);
if (color == 0xffffffff) {
DBG(("%s(white)\n", __FUNCTION__));
return kgem_bo_reference(cache->bo[0]);
}
if (cache->color[cache->last] == color) {
DBG(("sna_render_get_solid(%d) = %x (last)\n",
cache->last, color));
return kgem_bo_reference(cache->bo[cache->last]);
}
for (i = 1; i < cache->size; i++) {
if (cache->color[i] == color) {
if (cache->bo[i] == NULL) {
DBG(("sna_render_get_solid(%d) = %x (recreate)\n",
i, color));
goto create;
} else {
DBG(("sna_render_get_solid(%d) = %x (old)\n",
i, color));
goto done;
}
}
}
sna_render_finish_solid(sna, i == ARRAY_SIZE(cache->color));
i = cache->size++;
cache->color[i] = color;
cache->dirty = 1;
DBG(("sna_render_get_solid(%d) = %x (new)\n", i, color));
create:
cache->bo[i] = kgem_create_proxy(cache->cache_bo,
i*sizeof(uint32_t), sizeof(uint32_t));
cache->bo[i]->pitch = 4;
done:
cache->last = i;
return kgem_bo_reference(cache->bo[i]);
}
int sna_blit_copy(bitmap_t *dst_bitmap, int dst_x, int dst_y,
int w, int h, bitmap_t *src_bitmap, int src_x, int src_y)
{
batchbuffer_t execbuffer;
struct kgem_bo src_bo, dst_bo;
memset(&execbuffer, 0, sizeof(execbuffer));
memset(&src_bo, 0, sizeof(src_bo));
memset(&dst_bo, 0, sizeof(dst_bo));
INIT_LIST_HEAD(&execbuffer.objects);
src_bo.gaddr = src_bitmap->gaddr;
src_bo.pitch = src_bitmap->pitch;
src_bo.tiling = 0;
dst_bo.gaddr = dst_bitmap->gaddr;
dst_bo.pitch = dst_bitmap->pitch;
dst_bo.tiling = 0;
sna_device->render.copy(sna_device, 0, src_bitmap, &src_bo,
dst_bitmap, &dst_bo, dst_x, dst_y,
src_x, src_y, w, h);
INIT_LIST_HEAD(&execbuffer.objects);
list_add_tail(&src_bitmap->obj->exec_list, &execbuffer.objects);
_kgem_submit(&sna_device->kgem, &execbuffer);
};
int sna_blit_tex(bitmap_t *dst_bitmap, int dst_x, int dst_y,
int w, int h, bitmap_t *src_bitmap, int src_x, int src_y,
bitmap_t *mask_bitmap)
{
struct sna_composite_op cop;
batchbuffer_t execbuffer;
BoxRec box;
struct kgem_bo src_bo, mask_bo, dst_bo;
memset(&cop, 0, sizeof(cop));
memset(&execbuffer, 0, sizeof(execbuffer));
memset(&src_bo, 0, sizeof(src_bo));
memset(&dst_bo, 0, sizeof(dst_bo));
memset(&mask_bo, 0, sizeof(mask_bo));
src_bo.gaddr = src_bitmap->gaddr;
src_bo.pitch = src_bitmap->pitch;
src_bo.tiling = 0;
dst_bo.gaddr = dst_bitmap->gaddr;
dst_bo.pitch = dst_bitmap->pitch;
dst_bo.tiling = 0;
mask_bo.gaddr = mask_bitmap->gaddr;
mask_bo.pitch = mask_bitmap->pitch;
mask_bo.tiling = 0;
box.x1 = dst_x;
box.y1 = dst_y;
box.x2 = dst_x+w;
box.y2 = dst_y+h;
sna_device->render.composite(sna_device, 0,
src_bitmap, &src_bo,
mask_bitmap, &mask_bo,
dst_bitmap, &dst_bo,
src_x, src_y,
src_x, src_y,
dst_x, dst_y,
w, h, &cop);
cop.box(sna_device, &cop, &box);
cop.done(sna_device, &cop);
INIT_LIST_HEAD(&execbuffer.objects);
list_add_tail(&src_bitmap->obj->exec_list, &execbuffer.objects);
list_add_tail(&mask_bitmap->obj->exec_list, &execbuffer.objects);
_kgem_submit(&sna_device->kgem, &execbuffer);
};
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