/**
* For a singlesample image buffer, this simply wraps the given region with a miptree.
*
* For a multisample image buffer, this wraps the given region with
* a singlesample miptree, then creates a multisample miptree into which the
* singlesample miptree is embedded as a child.
*/
struct intel_mipmap_tree*
intel_miptree_create_for_image_buffer(struct intel_context *intel,
enum __DRIimageBufferMask buffer_type,
mesa_format format,
uint32_t num_samples,
struct intel_region *region)
{
struct intel_mipmap_tree *mt = NULL;
/* Only the front and back buffers, which are color buffers, are allocated
* through the image loader.
*/
assert(_mesa_get_format_base_format(format) == GL_RGB ||
_mesa_get_format_base_format(format) == GL_RGBA);
mt = intel_miptree_create_for_bo(intel,
region->bo,
format,
0,
region->width,
region->height,
region->pitch,
region->tiling);
return mt;
}
/**
* For a singlesample DRI2 buffer, this simply wraps the given region with a miptree.
*
* For a multisample DRI2 buffer, this wraps the given region with
* a singlesample miptree, then creates a multisample miptree into which the
* singlesample miptree is embedded as a child.
*/
struct intel_mipmap_tree*
intel_miptree_create_for_dri2_buffer(struct intel_context *intel,
unsigned dri_attachment,
mesa_format format,
struct intel_region *region)
{
struct intel_mipmap_tree *mt = NULL;
/* Only the front and back buffers, which are color buffers, are shared
* through DRI2.
*/
assert(dri_attachment == __DRI_BUFFER_BACK_LEFT ||
dri_attachment == __DRI_BUFFER_FRONT_LEFT ||
dri_attachment == __DRI_BUFFER_FAKE_FRONT_LEFT);
assert(_mesa_get_format_base_format(format) == GL_RGB ||
_mesa_get_format_base_format(format) == GL_RGBA);
mt = intel_miptree_create_for_bo(intel,
region->bo,
format,
0,
region->width,
region->height,
region->pitch,
region->tiling);
if (!mt)
return NULL;
mt->region->name = region->name;
return mt;
}
static bool
intel_set_texture_storage_for_buffer_object(struct gl_context *ctx,
struct gl_texture_object *tex_obj,
struct gl_buffer_object *buffer_obj,
uint32_t buffer_offset,
uint32_t row_stride,
bool read_only)
{
struct brw_context *brw = brw_context(ctx);
struct intel_texture_object *intel_texobj = intel_texture_object(tex_obj);
struct gl_texture_image *image = tex_obj->Image[0][0];
struct intel_texture_image *intel_image = intel_texture_image(image);
struct intel_buffer_object *intel_buffer_obj = intel_buffer_object(buffer_obj);
if (!read_only) {
/* Renderbuffers have the restriction that the buffer offset and
* surface pitch must be a multiple of the element size. If it's
* not, we have to fail and fall back to software.
*/
int cpp = _mesa_get_format_bytes(image->TexFormat);
if (buffer_offset % cpp || row_stride % cpp) {
perf_debug("Bad PBO alignment; fallback to CPU mapping\n");
return false;
}
if (!brw->format_supported_as_render_target[image->TexFormat]) {
perf_debug("Non-renderable PBO format; fallback to CPU mapping\n");
return false;
}
}
assert(intel_texobj->mt == NULL);
drm_intel_bo *bo = intel_bufferobj_buffer(brw, intel_buffer_obj,
buffer_offset,
row_stride * image->Height);
intel_texobj->mt =
intel_miptree_create_for_bo(brw, bo,
image->TexFormat,
buffer_offset,
image->Width, image->Height, image->Depth,
row_stride,
0);
if (!intel_texobj->mt)
return false;
if (!_swrast_init_texture_image(image))
return false;
intel_miptree_reference(&intel_image->mt, intel_texobj->mt);
/* The miptree is in a validated state, so no need to check later. */
intel_texobj->needs_validate = false;
intel_texobj->validated_first_level = 0;
intel_texobj->validated_last_level = 0;
intel_texobj->_Format = intel_texobj->mt->format;
return true;
}
/**
* Binds a BO to a texture image, as if it was uploaded by glTexImage2D().
*
* Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
*/
static void
intel_set_texture_image_bo(struct gl_context *ctx,
struct gl_texture_image *image,
drm_intel_bo *bo,
GLenum target,
GLenum internalFormat,
mesa_format format,
uint32_t offset,
GLuint width, GLuint height,
GLuint pitch,
GLuint tile_x, GLuint tile_y,
uint32_t layout_flags)
{
struct brw_context *brw = brw_context(ctx);
struct intel_texture_image *intel_image = intel_texture_image(image);
struct gl_texture_object *texobj = image->TexObject;
struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
uint32_t draw_x, draw_y;
_mesa_init_teximage_fields(&brw->ctx, image,
width, height, 1,
0, internalFormat, format);
ctx->Driver.FreeTextureImageBuffer(ctx, image);
intel_image->mt = intel_miptree_create_for_bo(brw, bo, image->TexFormat,
0, width, height, 1, pitch,
layout_flags);
if (intel_image->mt == NULL)
return;
intel_image->mt->target = target;
intel_image->mt->total_width = width;
intel_image->mt->total_height = height;
intel_image->mt->level[0].slice[0].x_offset = tile_x;
intel_image->mt->level[0].slice[0].y_offset = tile_y;
intel_miptree_get_tile_offsets(intel_image->mt, 0, 0, &draw_x, &draw_y);
/* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION
* for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has
* trouble resolving back to destination image due to alignment issues.
*/
if (!brw->has_surface_tile_offset &&
(draw_x != 0 || draw_y != 0)) {
_mesa_error(ctx, GL_INVALID_OPERATION, __func__);
intel_miptree_release(&intel_image->mt);
return;
}
intel_texobj->needs_validate = true;
intel_image->mt->offset = offset;
assert(pitch % intel_image->mt->cpp == 0);
intel_image->base.RowStride = pitch / intel_image->mt->cpp;
/* Immediately validate the image to the object. */
intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
}
static void
intel_image_target_renderbuffer_storage(struct gl_context *ctx,
struct gl_renderbuffer *rb,
void *image_handle)
{
struct intel_context *intel = intel_context(ctx);
struct intel_renderbuffer *irb;
__DRIscreen *screen;
__DRIimage *image;
screen = intel->intelScreen->driScrnPriv;
image = screen->dri2.image->lookupEGLImage(screen, image_handle,
screen->loaderPrivate);
if (image == NULL)
return;
/* __DRIimage is opaque to the core so it has to be checked here */
switch (image->format) {
case MESA_FORMAT_R8G8B8A8_UNORM:
_mesa_error(&intel->ctx, GL_INVALID_OPERATION,
"glEGLImageTargetRenderbufferStorage(unsupported image format");
return;
break;
default:
break;
}
irb = intel_renderbuffer(rb);
intel_miptree_release(&irb->mt);
irb->mt = intel_miptree_create_for_bo(intel,
image->region->bo,
image->format,
image->offset,
image->region->width,
image->region->height,
image->region->pitch,
image->region->tiling);
if (!irb->mt)
return;
rb->InternalFormat = image->internal_format;
rb->Width = image->region->width;
rb->Height = image->region->height;
rb->Format = image->format;
rb->_BaseFormat = _mesa_base_fbo_format(&intel->ctx,
image->internal_format);
rb->NeedsFinishRenderTexture = true;
}
/**
* Binds a BO to a texture image, as if it was uploaded by glTexImage2D().
*
* Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
*/
static struct intel_mipmap_tree *
create_mt_for_dri_image(struct brw_context *brw,
GLenum target, __DRIimage *image)
{
struct intel_mipmap_tree *mt;
uint32_t draw_x, draw_y;
/* Disable creation of the texture's aux buffers because the driver exposes
* no EGL API to manage them. That is, there is no API for resolving the aux
* buffer's content to the main buffer nor for invalidating the aux buffer's
* content.
*/
mt = intel_miptree_create_for_bo(brw, image->bo, image->format,
0, image->width, image->height, 1,
image->pitch,
MIPTREE_LAYOUT_DISABLE_AUX);
if (mt == NULL)
return NULL;
mt->target = target;
mt->total_width = image->width;
mt->total_height = image->height;
mt->level[0].slice[0].x_offset = image->tile_x;
mt->level[0].slice[0].y_offset = image->tile_y;
intel_miptree_get_tile_offsets(mt, 0, 0, &draw_x, &draw_y);
/* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION
* for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has
* trouble resolving back to destination image due to alignment issues.
*/
if (!brw->has_surface_tile_offset &&
(draw_x != 0 || draw_y != 0)) {
_mesa_error(&brw->ctx, GL_INVALID_OPERATION, __func__);
intel_miptree_release(&mt);
return NULL;
}
mt->offset = image->offset;
return mt;
}
static struct intel_mipmap_tree *
create_mt_for_planar_dri_image(struct brw_context *brw,
GLenum target, __DRIimage *image)
{
struct intel_image_format *f = image->planar_format;
struct intel_mipmap_tree *planar_mt;
for (int i = 0; i < f->nplanes; i++) {
const int index = f->planes[i].buffer_index;
const uint32_t dri_format = f->planes[i].dri_format;
const mesa_format format = driImageFormatToGLFormat(dri_format);
const uint32_t width = image->width >> f->planes[i].width_shift;
const uint32_t height = image->height >> f->planes[i].height_shift;
/* Disable creation of the texture's aux buffers because the driver
* exposes no EGL API to manage them. That is, there is no API for
* resolving the aux buffer's content to the main buffer nor for
* invalidating the aux buffer's content.
*/
struct intel_mipmap_tree *mt =
intel_miptree_create_for_bo(brw, image->bo, format,
image->offsets[index],
width, height, 1,
image->strides[index],
MIPTREE_LAYOUT_DISABLE_AUX);
if (mt == NULL)
return NULL;
mt->target = target;
mt->total_width = width;
mt->total_height = height;
if (i == 0)
planar_mt = mt;
else
planar_mt->plane[i - 1] = mt;
}
return planar_mt;
}
/* XXX: Do this for TexSubImage also:
*/
static bool
try_pbo_upload(struct gl_context *ctx,
struct gl_texture_image *image,
const struct gl_pixelstore_attrib *unpack,
GLenum format, GLenum type, const void *pixels)
{
struct intel_texture_image *intelImage = intel_texture_image(image);
struct intel_context *intel = intel_context(ctx);
struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
GLuint src_offset;
drm_intel_bo *src_buffer;
if (!_mesa_is_bufferobj(unpack->BufferObj))
return false;
DBG("trying pbo upload\n");
if (intel->ctx._ImageTransferState ||
unpack->SkipPixels || unpack->SkipRows) {
DBG("%s: image transfer\n", __FUNCTION__);
return false;
}
ctx->Driver.AllocTextureImageBuffer(ctx, image);
if (!intelImage->mt) {
DBG("%s: no miptree\n", __FUNCTION__);
return false;
}
if (!_mesa_format_matches_format_and_type(intelImage->mt->format,
format, type, false)) {
DBG("%s: format mismatch (upload to %s with format 0x%x, type 0x%x)\n",
__FUNCTION__, _mesa_get_format_name(intelImage->mt->format),
format, type);
return false;
}
if (image->TexObject->Target == GL_TEXTURE_1D_ARRAY ||
image->TexObject->Target == GL_TEXTURE_2D_ARRAY) {
DBG("%s: no support for array textures\n", __FUNCTION__);
return false;
}
src_buffer = intel_bufferobj_source(intel, pbo, 64, &src_offset);
/* note: potential 64-bit ptr to 32-bit int cast */
src_offset += (GLuint) (unsigned long) pixels;
int src_stride =
_mesa_image_row_stride(unpack, image->Width, format, type);
struct intel_mipmap_tree *pbo_mt =
intel_miptree_create_for_bo(intel,
src_buffer,
intelImage->mt->format,
src_offset,
image->Width, image->Height,
src_stride, I915_TILING_NONE);
if (!pbo_mt)
return false;
if (!intel_miptree_blit(intel,
pbo_mt, 0, 0,
0, 0, false,
intelImage->mt, image->Level, image->Face,
0, 0, false,
image->Width, image->Height, GL_COPY)) {
DBG("%s: blit failed\n", __FUNCTION__);
intel_miptree_release(&pbo_mt);
return false;
}
intel_miptree_release(&pbo_mt);
DBG("%s: success\n", __FUNCTION__);
return true;
}
static bool
do_blit_drawpixels(struct gl_context * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid * pixels)
{
struct brw_context *brw = brw_context(ctx);
struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj);
GLuint src_offset;
drm_intel_bo *src_buffer;
DBG("%s\n", __FUNCTION__);
if (!intel_check_blit_fragment_ops(ctx, false))
return false;
if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) {
DBG("%s: fallback due to MRT\n", __FUNCTION__);
return false;
}
struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
if (!_mesa_format_matches_format_and_type(irb->mt->format, format, type,
false)) {
DBG("%s: bad format for blit\n", __FUNCTION__);
return false;
}
if (unpack->SwapBytes || unpack->LsbFirst ||
unpack->SkipPixels || unpack->SkipRows) {
DBG("%s: bad packing params\n", __FUNCTION__);
return false;
}
int src_stride = _mesa_image_row_stride(unpack, width, format, type);
bool src_flip = false;
/* Mesa flips the src_stride for unpack->Invert, but we want our mt to have
* a normal src_stride.
*/
if (unpack->Invert) {
src_stride = -src_stride;
src_flip = true;
}
src_offset = (GLintptr)pixels;
src_offset += _mesa_image_offset(2, unpack, width, height,
format, type, 0, 0, 0);
intel_prepare_render(brw);
src_buffer = intel_bufferobj_buffer(brw, src,
src_offset, width * height *
irb->mt->cpp);
struct intel_mipmap_tree *pbo_mt =
intel_miptree_create_for_bo(brw,
src_buffer,
irb->mt->format,
src_offset,
width, height,
src_stride, I915_TILING_NONE);
if (!pbo_mt)
return false;
if (!intel_miptree_blit(brw,
pbo_mt, 0, 0,
0, 0, src_flip,
irb->mt, irb->mt_level, irb->mt_layer,
x, y, _mesa_is_winsys_fbo(ctx->DrawBuffer),
width, height, GL_COPY)) {
DBG("%s: blit failed\n", __FUNCTION__);
intel_miptree_release(&pbo_mt);
return false;
}
intel_miptree_release(&pbo_mt);
if (ctx->Query.CurrentOcclusionObject)
ctx->Query.CurrentOcclusionObject->Result += width * height;
intel_check_front_buffer_rendering(brw);
DBG("%s: success\n", __FUNCTION__);
return true;
}
static void
intel_image_target_renderbuffer_storage(struct gl_context *ctx,
struct gl_renderbuffer *rb,
void *image_handle)
{
struct brw_context *brw = brw_context(ctx);
struct intel_renderbuffer *irb;
__DRIscreen *screen;
__DRIimage *image;
screen = brw->intelScreen->driScrnPriv;
image = screen->dri2.image->lookupEGLImage(screen, image_handle,
screen->loaderPrivate);
if (image == NULL)
return;
if (image->planar_format && image->planar_format->nplanes > 1) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEGLImageTargetRenderbufferStorage(planar buffers are not "
"supported as render targets.");
return;
}
/* Buffers originating from outside are for read-only. */
if (image->dma_buf_imported) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEGLImageTargetRenderbufferStorage(dma buffers are read-only)");
return;
}
/* __DRIimage is opaque to the core so it has to be checked here */
switch (image->format) {
case MESA_FORMAT_RGBA8888_REV:
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEGLImageTargetRenderbufferStorage(unsupported image format");
return;
break;
default:
break;
}
irb = intel_renderbuffer(rb);
intel_miptree_release(&irb->mt);
irb->mt = intel_miptree_create_for_bo(brw,
image->region->bo,
image->format,
image->offset,
image->region->width,
image->region->height,
image->region->pitch,
image->region->tiling);
if (!irb->mt)
return;
rb->InternalFormat = image->internal_format;
rb->Width = image->region->width;
rb->Height = image->region->height;
rb->Format = image->format;
rb->_BaseFormat = _mesa_base_fbo_format(ctx, image->internal_format);
rb->NeedsFinishRenderTexture = true;
}
void
intelSetTexBuffer2(__DRIcontext *pDRICtx, GLint target,
GLint texture_format,
__DRIdrawable *dPriv)
{
struct gl_framebuffer *fb = dPriv->driverPrivate;
struct brw_context *brw = pDRICtx->driverPrivate;
struct gl_context *ctx = &brw->ctx;
struct intel_renderbuffer *rb;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
mesa_format texFormat = MESA_FORMAT_NONE;
struct intel_mipmap_tree *mt;
GLenum internal_format = 0;
texObj = _mesa_get_current_tex_object(ctx, target);
if (!texObj)
return;
if (dPriv->lastStamp != dPriv->dri2.stamp ||
!pDRICtx->driScreenPriv->dri2.useInvalidate)
intel_update_renderbuffers(pDRICtx, dPriv);
rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
/* If the miptree isn't set, then intel_update_renderbuffers was unable
* to get the BO for the drawable from the window system.
*/
if (!rb || !rb->mt)
return;
if (rb->mt->cpp == 4) {
if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
internal_format = GL_RGB;
texFormat = MESA_FORMAT_B8G8R8X8_UNORM;
}
else {
internal_format = GL_RGBA;
texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
}
} else if (rb->mt->cpp == 2) {
internal_format = GL_RGB;
texFormat = MESA_FORMAT_B5G6R5_UNORM;
}
intel_miptree_make_shareable(brw, rb->mt);
mt = intel_miptree_create_for_bo(brw, rb->mt->bo, texFormat, 0,
rb->Base.Base.Width,
rb->Base.Base.Height,
1, rb->mt->pitch, 0);
if (mt == NULL)
return;
mt->target = target;
mt->total_width = rb->Base.Base.Width;
mt->total_height = rb->Base.Base.Height;
_mesa_lock_texture(&brw->ctx, texObj);
texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
intel_set_texture_image_mt(brw, texImage, internal_format, mt);
intel_miptree_release(&mt);
_mesa_unlock_texture(&brw->ctx, texObj);
}
static bool
do_blit_readpixels(struct gl_context * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack, GLvoid * pixels)
{
struct brw_context *brw = brw_context(ctx);
struct intel_buffer_object *dst = intel_buffer_object(pack->BufferObj);
GLuint dst_offset;
drm_intel_bo *dst_buffer;
GLint dst_x, dst_y;
GLuint dirty;
DBG("%s\n", __FUNCTION__);
assert(_mesa_is_bufferobj(pack->BufferObj));
struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
if (ctx->_ImageTransferState ||
!_mesa_format_matches_format_and_type(irb->mt->format, format, type,
false)) {
DBG("%s - bad format for blit\n", __FUNCTION__);
return false;
}
if (pack->SwapBytes || pack->LsbFirst) {
DBG("%s: bad packing params\n", __FUNCTION__);
return false;
}
int dst_stride = _mesa_image_row_stride(pack, width, format, type);
bool dst_flip = false;
/* Mesa flips the dst_stride for pack->Invert, but we want our mt to have a
* normal dst_stride.
*/
struct gl_pixelstore_attrib uninverted_pack = *pack;
if (pack->Invert) {
dst_stride = -dst_stride;
dst_flip = true;
uninverted_pack.Invert = false;
}
dst_offset = (GLintptr)pixels;
dst_offset += _mesa_image_offset(2, &uninverted_pack, width, height,
format, type, 0, 0, 0);
if (!_mesa_clip_copytexsubimage(ctx,
&dst_x, &dst_y,
&x, &y,
&width, &height)) {
return true;
}
dirty = brw->front_buffer_dirty;
intel_prepare_render(brw);
brw->front_buffer_dirty = dirty;
dst_buffer = intel_bufferobj_buffer(brw, dst,
dst_offset, height * dst_stride);
struct intel_mipmap_tree *pbo_mt =
intel_miptree_create_for_bo(brw,
dst_buffer,
irb->mt->format,
dst_offset,
width, height,
dst_stride, I915_TILING_NONE);
if (!intel_miptree_blit(brw,
irb->mt, irb->mt_level, irb->mt_layer,
x, y, _mesa_is_winsys_fbo(ctx->ReadBuffer),
pbo_mt, 0, 0,
0, 0, dst_flip,
width, height, GL_COPY)) {
return false;
}
intel_miptree_release(&pbo_mt);
DBG("%s - DONE\n", __FUNCTION__);
return true;
}
