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/*
* Copyright 2005 Eric Anholt
* Copyright 2005 Benjamin Herrenschmidt
* Copyright 2008 Advanced Micro Devices, Inc.
* 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, 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 (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 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:
* Eric Anholt <anholt@FreeBSD.org>
* Zack Rusin <zrusin@trolltech.com>
* Benjamin Herrenschmidt <benh@kernel.crashing.org>
* Alex Deucher <alexander.deucher@amd.com>
* Matthias Hopf <mhopf@suse.de>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "radeon.h"
#ifdef XF86DRI
#include "radeon_drm.h"
#endif
#include "radeon_macros.h"
#include "radeon_probe.h"
#include "radeon_version.h"
#include "radeon_vbo.h"
PixmapPtr
RADEONGetDrawablePixmap(DrawablePtr pDrawable)
{
if (pDrawable->type == DRAWABLE_WINDOW)
return pDrawable->pScreen->GetWindowPixmap((WindowPtr)pDrawable);
else
return (PixmapPtr)pDrawable;
}
void RADEONVlineHelperClear(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
struct radeon_accel_state *accel_state = info->accel_state;
accel_state->vline_crtc = NULL;
accel_state->vline_y1 = -1;
accel_state->vline_y2 = 0;
}
void RADEONVlineHelperSet(ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
struct radeon_accel_state *accel_state = info->accel_state;
accel_state->vline_crtc = radeon_pick_best_crtc(pScrn, x1, x2, y1, y2);
if (accel_state->vline_y1 == -1)
accel_state->vline_y1 = y1;
if (y1 < accel_state->vline_y1)
accel_state->vline_y1 = y1;
if (y2 > accel_state->vline_y2)
accel_state->vline_y2 = y2;
}
Bool RADEONValidPM(uint32_t pm, int bpp)
{
uint8_t r, g, b, a;
Bool ret = FALSE;
switch (bpp) {
case 8:
a = pm & 0xff;
if ((a == 0) || (a == 0xff))
ret = TRUE;
break;
case 16:
r = (pm >> 11) & 0x1f;
g = (pm >> 5) & 0x3f;
b = (pm >> 0) & 0x1f;
if (((r == 0) || (r == 0x1f)) &&
((g == 0) || (g == 0x3f)) &&
((b == 0) || (b == 0x1f)))
ret = TRUE;
break;
case 32:
a = (pm >> 24) & 0xff;
r = (pm >> 16) & 0xff;
g = (pm >> 8) & 0xff;
b = (pm >> 0) & 0xff;
if (((a == 0) || (a == 0xff)) &&
((r == 0) || (r == 0xff)) &&
((g == 0) || (g == 0xff)) &&
((b == 0) || (b == 0xff)))
ret = TRUE;
break;
default:
break;
}
return ret;
}
Bool RADEONCheckBPP(int bpp)
{
switch (bpp) {
case 8:
case 16:
case 32:
return TRUE;
default:
break;
}
return FALSE;
}
PixmapPtr RADEONSolidPixmap(ScreenPtr pScreen, uint32_t solid)
{
PixmapPtr pPix = pScreen->CreatePixmap(pScreen, 1, 1, 32, 0);
struct radeon_bo *bo;
exaMoveInPixmap(pPix);
bo = radeon_get_pixmap_bo(pPix);
if (radeon_bo_map(bo, 1)) {
pScreen->DestroyPixmap(pPix);
return NULL;
}
memcpy(bo->ptr, &solid, 4);
radeon_bo_unmap(bo);
return pPix;
}
static Bool radeon_vb_get(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
struct radeon_accel_state *accel_state = info->accel_state;
accel_state->vbo.vb_mc_addr = info->gartLocation + info->dri->bufStart +
(accel_state->ib->idx*accel_state->ib->total)+
(accel_state->ib->total / 2);
accel_state->vbo.vb_total = (accel_state->ib->total / 2);
accel_state->vbo.vb_ptr = (pointer)((char*)accel_state->ib->address +
(accel_state->ib->total / 2));
accel_state->vbo.vb_offset = 0;
return TRUE;
}
int radeon_cp_start(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
struct radeon_accel_state *accel_state = info->accel_state;
#if defined(XF86DRM_MODE)
if (info->cs) {
if (CS_FULL(info->cs)) {
radeon_cs_flush_indirect(pScrn);
}
accel_state->ib_reset_op = info->cs->cdw;
} else
#endif
{
accel_state->ib = RADEONCPGetBuffer(pScrn);
if (!radeon_vb_get(pScrn)) {
return -1;
}
}
accel_state->vbo.vb_start_op = accel_state->vbo.vb_offset;
accel_state->cbuf.vb_start_op = accel_state->cbuf.vb_offset;
return 0;
}
void radeon_vb_no_space(ScrnInfoPtr pScrn,
struct radeon_vbo_object *vbo,
int vert_size)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
struct radeon_accel_state *accel_state = info->accel_state;
#if defined(XF86DRM_MODE)
if (info->cs) {
if (vbo->vb_bo) {
if (vbo->vb_start_op != vbo->vb_offset) {
accel_state->finish_op(pScrn, vert_size);
accel_state->ib_reset_op = info->cs->cdw;
}
/* release the current VBO */
radeon_vbo_put(pScrn, vbo);
}
/* get a new one */
radeon_vbo_get(pScrn, vbo);
return;
}
#endif
if (vbo->vb_start_op != -1) {
accel_state->finish_op(pScrn, vert_size);
radeon_cp_start(pScrn);
}
return;
}
#if defined(XF86DRM_MODE)
void radeon_ib_discard(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
int ret;
if (info->accel_state->ib_reset_op) {
/* if we have data just reset the CS and ignore the operation */
info->cs->cdw = info->accel_state->ib_reset_op;
info->accel_state->ib_reset_op = 0;
goto out;
}
info->accel_state->vbo.vb_offset = 0;
info->accel_state->vbo.vb_start_op = -1;
info->accel_state->cbuf.vb_offset = 0;
info->accel_state->cbuf.vb_start_op = -1;
if (CS_FULL(info->cs)) {
radeon_cs_flush_indirect(pScrn);
return;
}
radeon_cs_erase(info->cs);
ret = radeon_cs_space_check_with_bo(info->cs,
info->accel_state->vbo.vb_bo,
RADEON_GEM_DOMAIN_GTT, 0);
if (ret)
ErrorF("space check failed in flush\n");
if (info->accel_state->cbuf.vb_bo) {
ret = radeon_cs_space_check_with_bo(info->cs,
info->accel_state->cbuf.vb_bo,
RADEON_GEM_DOMAIN_GTT, 0);
if (ret)
ErrorF("space check failed in flush\n");
}
out:
if (info->dri2.enabled) {
info->accel_state->XInited3D = FALSE;
info->accel_state->engineMode = EXA_ENGINEMODE_UNKNOWN;
}
}
#endif
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