drm: Replace pitch with pitches[] in drm_framebuffer

Otherwise each driver would need to keep the information inside
their own framebuffer object structure. Also add offsets[]. BOs
on the other hand are driver specific, so those can be kept in
driver specific structures.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ville Syrjälä 2011-12-20 00:06:49 +02:00 committed by Dave Airlie
parent 935b597740
commit 01f2c7730e
22 changed files with 64 additions and 58 deletions

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@ -2292,7 +2292,7 @@ int drm_mode_getfb(struct drm_device *dev,
r->width = fb->width;
r->depth = fb->depth;
r->bpp = fb->bits_per_pixel;
r->pitch = fb->pitch;
r->pitch = fb->pitches[0];
fb->funcs->create_handle(fb, file_priv, &r->handle);
out:

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@ -814,9 +814,14 @@ EXPORT_SYMBOL(drm_helper_connector_dpms);
int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
struct drm_mode_fb_cmd2 *mode_cmd)
{
int i;
fb->width = mode_cmd->width;
fb->height = mode_cmd->height;
fb->pitch = mode_cmd->pitches[0];
for (i = 0; i < 4; i++) {
fb->pitches[i] = mode_cmd->pitches[i];
fb->offsets[i] = mode_cmd->offsets[i];
}
drm_fb_get_bpp_depth(mode_cmd->pixel_format, &fb->depth,
&fb->bits_per_pixel);
fb->pixel_format = mode_cmd->pixel_format;

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@ -119,7 +119,7 @@ static int exynos_drm_overlay_update(struct exynos_drm_overlay *overlay,
overlay->fb_width = fb->width;
overlay->fb_height = fb->height;
overlay->bpp = fb->bits_per_pixel;
overlay->pitch = fb->pitch;
overlay->pitch = fb->pitches[0];
/* set overlay range to be displayed. */
overlay->crtc_x = pos->crtc_x;

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@ -100,7 +100,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
exynos_fb->fb = fb;
drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth);
drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(fbi, helper, fb_width, fb_height);
entry = exynos_drm_fb_get_buf(fb);
@ -110,7 +110,7 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
}
offset = fbi->var.xoffset * (fb->bits_per_pixel >> 3);
offset += fbi->var.yoffset * fb->pitch;
offset += fbi->var.yoffset * fb->pitches[0];
dev->mode_config.fb_base = entry->paddr;
fbi->screen_base = entry->vaddr + offset;

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@ -253,7 +253,7 @@ static void psbfb_copyarea_accel(struct fb_info *info,
return;
offset = psbfb->gtt->offset;
stride = fb->pitch;
stride = fb->pitches[0];
switch (fb->depth) {
case 8:

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@ -507,9 +507,9 @@ int cdv_intel_pipe_set_base(struct drm_crtc *crtc,
if (ret < 0)
goto psb_intel_pipe_set_base_exit;
start = psbfb->gtt->offset;
offset = y * crtc->fb->pitch + x * (crtc->fb->bits_per_pixel / 8);
offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
REG_WRITE(dspstride, crtc->fb->pitch);
REG_WRITE(dspstride, crtc->fb->pitches[0]);
dspcntr = REG_READ(dspcntr_reg);
dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;

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@ -500,7 +500,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
}
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
sizes->fb_width, sizes->fb_height);

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@ -543,9 +543,9 @@ int oaktrail_pipe_set_base(struct drm_crtc *crtc,
return 0;
start = psbfb->gtt->offset;
offset = y * crtc->fb->pitch + x * (crtc->fb->bits_per_pixel / 8);
offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
REG_WRITE(dspstride, crtc->fb->pitch);
REG_WRITE(dspstride, crtc->fb->pitches[0]);
dspcntr = REG_READ(dspcntr_reg);
dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;

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@ -365,9 +365,9 @@ int psb_intel_pipe_set_base(struct drm_crtc *crtc,
goto psb_intel_pipe_set_base_exit;
start = psbfb->gtt->offset;
offset = y * crtc->fb->pitch + x * (crtc->fb->bits_per_pixel / 8);
offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
REG_WRITE(dspstride, crtc->fb->pitch);
REG_WRITE(dspstride, crtc->fb->pitches[0]);
dspcntr = REG_READ(dspcntr_reg);
dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;

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@ -1204,7 +1204,7 @@ static void i915_pageflip_stall_check(struct drm_device *dev, int pipe)
} else {
int dspaddr = DSPADDR(intel_crtc->plane);
stall_detected = I915_READ(dspaddr) == (obj->gtt_offset +
crtc->y * crtc->fb->pitch +
crtc->y * crtc->fb->pitches[0] +
crtc->x * crtc->fb->bits_per_pixel/8);
}

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@ -1511,8 +1511,8 @@ static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
u32 fbc_ctl, fbc_ctl2;
cfb_pitch = dev_priv->cfb_size / FBC_LL_SIZE;
if (fb->pitch < cfb_pitch)
cfb_pitch = fb->pitch;
if (fb->pitches[0] < cfb_pitch)
cfb_pitch = fb->pitches[0];
/* FBC_CTL wants 64B units */
cfb_pitch = (cfb_pitch / 64) - 1;
@ -2073,11 +2073,11 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
I915_WRITE(reg, dspcntr);
Start = obj->gtt_offset;
Offset = y * fb->pitch + x * (fb->bits_per_pixel / 8);
Offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
Start, Offset, x, y, fb->pitch);
I915_WRITE(DSPSTRIDE(plane), fb->pitch);
Start, Offset, x, y, fb->pitches[0]);
I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
if (INTEL_INFO(dev)->gen >= 4) {
I915_WRITE(DSPSURF(plane), Start);
I915_WRITE(DSPTILEOFF(plane), (y << 16) | x);
@ -2154,11 +2154,11 @@ static int ironlake_update_plane(struct drm_crtc *crtc,
I915_WRITE(reg, dspcntr);
Start = obj->gtt_offset;
Offset = y * fb->pitch + x * (fb->bits_per_pixel / 8);
Offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
Start, Offset, x, y, fb->pitch);
I915_WRITE(DSPSTRIDE(plane), fb->pitch);
Start, Offset, x, y, fb->pitches[0]);
I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]);
I915_WRITE(DSPSURF(plane), Start);
I915_WRITE(DSPTILEOFF(plane), (y << 16) | x);
I915_WRITE(DSPADDR(plane), Offset);
@ -6353,11 +6353,11 @@ mode_fits_in_fbdev(struct drm_device *dev,
return NULL;
fb = &dev_priv->fbdev->ifb.base;
if (fb->pitch < intel_framebuffer_pitch_for_width(mode->hdisplay,
fb->bits_per_pixel))
if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay,
fb->bits_per_pixel))
return NULL;
if (obj->base.size < mode->vdisplay * fb->pitch)
if (obj->base.size < mode->vdisplay * fb->pitches[0])
return NULL;
return fb;
@ -6990,7 +6990,7 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
goto out;
/* Offset into the new buffer for cases of shared fbs between CRTCs */
offset = crtc->y * fb->pitch + crtc->x * fb->bits_per_pixel/8;
offset = crtc->y * fb->pitches[0] + crtc->x * fb->bits_per_pixel/8;
ret = BEGIN_LP_RING(6);
if (ret)
@ -7007,7 +7007,7 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
OUT_RING(MI_NOOP);
OUT_RING(MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
OUT_RING(fb->pitch);
OUT_RING(fb->pitches[0]);
OUT_RING(obj->gtt_offset + offset);
OUT_RING(MI_NOOP);
ADVANCE_LP_RING();
@ -7031,7 +7031,7 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
goto out;
/* Offset into the new buffer for cases of shared fbs between CRTCs */
offset = crtc->y * fb->pitch + crtc->x * fb->bits_per_pixel/8;
offset = crtc->y * fb->pitches[0] + crtc->x * fb->bits_per_pixel/8;
ret = BEGIN_LP_RING(6);
if (ret)
@ -7045,7 +7045,7 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
OUT_RING(MI_NOOP);
OUT_RING(MI_DISPLAY_FLIP_I915 |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
OUT_RING(fb->pitch);
OUT_RING(fb->pitches[0]);
OUT_RING(obj->gtt_offset + offset);
OUT_RING(MI_NOOP);
@ -7078,7 +7078,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
*/
OUT_RING(MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
OUT_RING(fb->pitch);
OUT_RING(fb->pitches[0]);
OUT_RING(obj->gtt_offset | obj->tiling_mode);
/* XXX Enabling the panel-fitter across page-flip is so far
@ -7113,7 +7113,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
OUT_RING(MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
OUT_RING(fb->pitch | obj->tiling_mode);
OUT_RING(fb->pitches[0] | obj->tiling_mode);
OUT_RING(obj->gtt_offset);
pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE;
@ -7149,7 +7149,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
goto out;
intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | (intel_crtc->plane << 19));
intel_ring_emit(ring, (fb->pitch | obj->tiling_mode));
intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode));
intel_ring_emit(ring, (obj->gtt_offset));
intel_ring_emit(ring, (MI_NOOP));
intel_ring_advance(ring);

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@ -149,7 +149,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
// memset(info->screen_base, 0, size);
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);
info->pixmap.size = 64*1024;

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@ -107,14 +107,14 @@ nouveau_framebuffer_init(struct drm_device *dev,
if (!tile_flags) {
if (dev_priv->card_type < NV_D0)
nv_fb->r_pitch = 0x00100000 | fb->pitch;
nv_fb->r_pitch = 0x00100000 | fb->pitches[0];
else
nv_fb->r_pitch = 0x01000000 | fb->pitch;
nv_fb->r_pitch = 0x01000000 | fb->pitches[0];
} else {
u32 mode = nvbo->tile_mode;
if (dev_priv->card_type >= NV_C0)
mode >>= 4;
nv_fb->r_pitch = ((fb->pitch / 4) << 4) | mode;
nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode;
}
}
@ -294,7 +294,7 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
/* Initialize a page flip struct */
*s = (struct nouveau_page_flip_state)
{ { }, event, nouveau_crtc(crtc)->index,
fb->bits_per_pixel, fb->pitch, crtc->x, crtc->y,
fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
new_bo->bo.offset };
/* Choose the channel the flip will be handled in */

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@ -370,7 +370,7 @@ nouveau_fbcon_create(struct nouveau_fbdev *nfbdev,
info->screen_base = nvbo_kmap_obj_iovirtual(nouveau_fb->nvbo);
info->screen_size = size;
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height);
/* Set aperture base/size for vesafb takeover */

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@ -364,7 +364,7 @@ nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode)
regp->CRTC[NV_CIO_CR_VRE_INDEX] = 1 << 5 | XLATE(vertEnd, 0, NV_CIO_CR_VRE_3_0);
regp->CRTC[NV_CIO_CR_VDE_INDEX] = vertDisplay;
/* framebuffer can be larger than crtc scanout area. */
regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = fb->pitch / 8;
regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = fb->pitches[0] / 8;
regp->CRTC[NV_CIO_CR_ULINE_INDEX] = 0x00;
regp->CRTC[NV_CIO_CR_VBS_INDEX] = vertBlankStart;
regp->CRTC[NV_CIO_CR_VBE_INDEX] = vertBlankEnd;
@ -377,9 +377,9 @@ nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode)
/* framebuffer can be larger than crtc scanout area. */
regp->CRTC[NV_CIO_CRE_RPC0_INDEX] =
XLATE(fb->pitch / 8, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
XLATE(fb->pitches[0] / 8, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
regp->CRTC[NV_CIO_CRE_42] =
XLATE(fb->pitch / 8, 11, NV_CIO_CRE_42_OFFSET_11);
XLATE(fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11);
regp->CRTC[NV_CIO_CRE_RPC1_INDEX] = mode->crtc_hdisplay < 1280 ?
MASK(NV_CIO_CRE_RPC1_LARGE) : 0x00;
regp->CRTC[NV_CIO_CRE_LSR_INDEX] = XLATE(horizBlankEnd, 6, NV_CIO_CRE_LSR_HBE_6) |
@ -835,18 +835,18 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_GENERAL_CONTROL,
regp->ramdac_gen_ctrl);
regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = drm_fb->pitch >> 3;
regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = drm_fb->pitches[0] >> 3;
regp->CRTC[NV_CIO_CRE_RPC0_INDEX] =
XLATE(drm_fb->pitch >> 3, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
XLATE(drm_fb->pitches[0] >> 3, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
regp->CRTC[NV_CIO_CRE_42] =
XLATE(drm_fb->pitch / 8, 11, NV_CIO_CRE_42_OFFSET_11);
XLATE(drm_fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11);
crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_RPC0_INDEX);
crtc_wr_cio_state(crtc, regp, NV_CIO_CR_OFFSET_INDEX);
crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_42);
/* Update the framebuffer location. */
regp->fb_start = nv_crtc->fb.offset & ~3;
regp->fb_start += (y * drm_fb->pitch) + (x * drm_fb->bits_per_pixel / 8);
regp->fb_start += (y * drm_fb->pitches[0]) + (x * drm_fb->bits_per_pixel / 8);
nv_set_crtc_base(dev, nv_crtc->index, regp->fb_start);
/* Update the arbitration parameters. */

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@ -1153,7 +1153,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
@ -1322,7 +1322,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);

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@ -406,7 +406,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
if (!ASIC_IS_AVIVO(rdev)) {
/* crtc offset is from display base addr not FB location */
base -= radeon_crtc->legacy_display_base_addr;
pitch_pixels = fb->pitch / (fb->bits_per_pixel / 8);
pitch_pixels = fb->pitches[0] / (fb->bits_per_pixel / 8);
if (tiling_flags & RADEON_TILING_MACRO) {
if (ASIC_IS_R300(rdev)) {

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@ -232,7 +232,7 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev,
strcpy(info->fix.id, "radeondrmfb");
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
info->fbops = &radeonfb_ops;
@ -275,7 +275,7 @@ static int radeonfb_create(struct radeon_fbdev *rfbdev,
DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo));
DRM_INFO("fb depth is %d\n", fb->depth);
DRM_INFO(" pitch is %d\n", fb->pitch);
DRM_INFO(" pitch is %d\n", fb->pitches[0]);
vga_switcheroo_client_fb_set(rdev->ddev->pdev, info);
return 0;

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@ -437,7 +437,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc,
crtc_offset_cntl = 0;
pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
crtc_pitch = (((pitch_pixels * target_fb->bits_per_pixel) +
((target_fb->bits_per_pixel * 8) - 1)) /
(target_fb->bits_per_pixel * 8));

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@ -605,7 +605,7 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
/* XXX get the first 3 from the surface info */
vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
vfbs->base.base.pitch = mode_cmd->pitch;
vfbs->base.base.pitches[0] = mode_cmd->pitch;
vfbs->base.base.depth = mode_cmd->depth;
vfbs->base.base.width = mode_cmd->width;
vfbs->base.base.height = mode_cmd->height;
@ -719,7 +719,7 @@ static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
cmd->body.format.colorDepth = depth;
cmd->body.format.reserved = 0;
cmd->body.bytesPerLine = framebuffer->base.pitch;
cmd->body.bytesPerLine = framebuffer->base.pitches[0];
cmd->body.ptr.gmrId = framebuffer->user_handle;
cmd->body.ptr.offset = 0;
@ -961,7 +961,7 @@ static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
}
vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
vfbd->base.base.pitch = mode_cmd->pitch;
vfbd->base.base.pitches[0] = mode_cmd->pitch;
vfbd->base.base.depth = mode_cmd->depth;
vfbd->base.base.width = mode_cmd->width;
vfbd->base.base.height = mode_cmd->height;
@ -1243,7 +1243,7 @@ int vmw_kms_readback(struct vmw_private *dev_priv,
cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
cmd->body.format.colorDepth = vfb->base.depth;
cmd->body.format.reserved = 0;
cmd->body.bytesPerLine = vfb->base.pitch;
cmd->body.bytesPerLine = vfb->base.pitches[0];
cmd->body.ptr.gmrId = vfb->user_handle;
cmd->body.ptr.offset = 0;

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@ -94,7 +94,7 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
return 0;
fb = entry->base.crtc.fb;
return vmw_kms_write_svga(dev_priv, w, h, fb->pitch,
return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
fb->bits_per_pixel, fb->depth);
}
@ -102,7 +102,7 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
entry = list_entry(lds->active.next, typeof(*entry), active);
fb = entry->base.crtc.fb;
vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitch,
vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitches[0],
fb->bits_per_pixel, fb->depth);
}

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@ -239,7 +239,8 @@ struct drm_framebuffer {
struct list_head head;
struct drm_mode_object base;
const struct drm_framebuffer_funcs *funcs;
unsigned int pitch;
unsigned int pitches[4];
unsigned int offsets[4];
unsigned int width;
unsigned int height;
/* depth can be 15 or 16 */