#include "main/glheader.h"
#include "main/macros.h"
#include "main/mtypes.h"
#include "main/enums.h"
#include "main/bufferobj.h"
#include "main/context.h"
#include "main/formats.h"
#include "main/image.h"
#include "main/pbo.h"
#include "main/renderbuffer.h"
#include "main/texcompress.h"
#include "main/texgetimage.h"
#include "main/texobj.h"
#include "main/teximage.h"
#include "main/texstore.h"
#include "drivers/common/meta.h"
#include "intel_mipmap_tree.h"
#include "intel_buffer_objects.h"
#include "intel_batchbuffer.h"
#include "intel_tex.h"
#include "intel_blit.h"
#include "intel_fbo.h"
#include "intel_image.h"
#include "intel_tiled_memcpy.h"
#include "brw_context.h"
#define FILE_DEBUG_FLAG DEBUG_TEXTURE
/* Work back from the specified level of the image to the baselevel and create a
* miptree of that size.
*/
struct intel_mipmap_tree *
intel_miptree_create_for_teximage(struct brw_context *brw,
struct intel_texture_object *intelObj,
struct intel_texture_image *intelImage,
bool expect_accelerated_upload)
{
GLuint lastLevel;
int width, height, depth;
GLuint i;
intel_miptree_get_dimensions_for_image(&intelImage->base.Base,
&width, &height, &depth);
DBG("%s\n", __func__);
/* Figure out image dimensions at start level. */
for (i = intelImage->base.Base.Level; i > 0; i--) {
width <<= 1;
if (height != 1)
height <<= 1;
if (depth != 1)
depth <<= 1;
}
/* Guess a reasonable value for lastLevel. This is probably going
* to be wrong fairly often and might mean that we have to look at
* resizable buffers, or require that buffers implement lazy
* pagetable arrangements.
*/
if ((intelObj->base.Sampler.MinFilter == GL_NEAREST ||
intelObj->base.Sampler.MinFilter == GL_LINEAR) &&
intelImage->base.Base.Level == 0 &&
!intelObj->base.GenerateMipmap) {
lastLevel = 0;
} else {
lastLevel = _mesa_get_tex_max_num_levels(intelObj->base.Target,
width, height, depth) - 1;
}
return intel_miptree_create(brw,
intelObj->base.Target,
intelImage->base.Base.TexFormat,
0,
lastLevel,
width,
height,
depth,
expect_accelerated_upload,
intelImage->base.Base.NumSamples,
INTEL_MIPTREE_TILING_ANY,
false);
}
static void
intelTexImage(struct gl_context * ctx,
GLuint dims,
struct gl_texture_image *texImage,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
struct intel_texture_image *intelImage = intel_texture_image(texImage);
bool ok;
bool tex_busy = intelImage->mt && drm_intel_bo_busy(intelImage->mt->bo);
DBG("%s mesa_format %s target %s format %s type %s level %d %dx%dx%d\n",
__func__, _mesa_get_format_name(texImage->TexFormat),
_mesa_lookup_enum_by_nr(texImage->TexObject->Target),
_mesa_lookup_enum_by_nr(format), _mesa_lookup_enum_by_nr(type),
texImage->Level, texImage->Width, texImage->Height, texImage->Depth);
/* Allocate storage for texture data. */
if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
return;
}
ok = _mesa_meta_pbo_TexSubImage(ctx, dims, texImage, 0, 0, 0,
texImage->Width, texImage->Height,
texImage->Depth,
format, type, pixels,
false /*allocate_storage*/,
tex_busy, unpack);
if (ok)
return;
ok = intel_texsubimage_tiled_memcpy(ctx, dims, texImage,
0, 0, 0, /*x,y,z offsets*/
texImage->Width,
texImage->Height,
texImage->Depth,
format, type, pixels, unpack,
false /*allocate_storage*/);
if (ok)
return;
DBG("%s: upload image %dx%dx%d pixels %p\n",
__func__, texImage->Width, texImage->Height, texImage->Depth,
pixels);
_mesa_store_teximage(ctx, dims, texImage,
format, type, pixels, unpack);
}
/**
* 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,
bool disable_aux_buffers)
{
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,
disable_aux_buffers);
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);
}
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;
int level = 0, internalFormat = 0;
mesa_format texFormat = MESA_FORMAT_NONE;
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) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_B8G8R8X8_UNORM;
}
else {
internalFormat = GL_RGBA;
texFormat = MESA_FORMAT_B8G8R8A8_UNORM;
}
} else if (rb->mt->cpp == 2) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_B5G6R5_UNORM;
}
_mesa_lock_texture(&brw->ctx, texObj);
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
intel_miptree_make_shareable(brw, rb->mt);
intel_set_texture_image_bo(ctx, texImage, rb->mt->bo, target,
internalFormat, texFormat, 0,
rb->Base.Base.Width,
rb->Base.Base.Height,
rb->mt->pitch,
0, 0,
false /*disable_aux_buffers*/);
_mesa_unlock_texture(&brw->ctx, texObj);
}
static GLboolean
intel_bind_renderbuffer_tex_image(struct gl_context *ctx,
struct gl_renderbuffer *rb,
struct gl_texture_image *image)
{
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
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);
/* We can only handle RB allocated with AllocRenderbufferStorage, or
* window-system renderbuffers.
*/
if (!irb->mt)
return false;
_mesa_lock_texture(ctx, texobj);
_mesa_init_teximage_fields(ctx, image,
rb->Width, rb->Height, 1,
0, rb->InternalFormat, rb->Format);
image->NumSamples = rb->NumSamples;
intel_miptree_reference(&intel_image->mt, irb->mt);
/* Immediately validate the image to the object. */
intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
intel_texobj->needs_validate = true;
_mesa_unlock_texture(ctx, texobj);
return true;
}
void
intelSetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
{
/* The old interface didn't have the format argument, so copy our
* implementation's behavior at the time.
*/
intelSetTexBuffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
}
static void
intel_image_target_texture_2d(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
GLeglImageOES image_handle)
{
struct brw_context *brw = brw_context(ctx);
__DRIscreen *screen;
__DRIimage *image;
screen = brw->intelScreen->driScrnPriv;
image = screen->dri2.image->lookupEGLImage(screen, image_handle,
screen->loaderPrivate);
if (image == NULL)
return;
/* We support external textures only for EGLImages created with
* EGL_EXT_image_dma_buf_import. We may lift that restriction in the future.
*/
if (target == GL_TEXTURE_EXTERNAL_OES && !image->dma_buf_imported) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glEGLImageTargetTexture2DOES(external target is enabled only "
"for images created with EGL_EXT_image_dma_buf_import");
return;
}
/* Disallow depth/stencil textures: we don't have a way to pass the
* separate stencil miptree of a GL_DEPTH_STENCIL texture through.
*/
if (image->has_depthstencil) {
_mesa_error(ctx, GL_INVALID_OPERATION, __func__);
return;
}
/* 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.
*/
intel_set_texture_image_bo(ctx, texImage, image->bo,
target, image->internal_format,
image->format, image->offset,
image->width, image->height,
image->pitch,
image->tile_x, image->tile_y,
true /*disable_aux_buffers*/);
}
/**
* \brief A fast path for glGetTexImage.
*
* \see intel_readpixels_tiled_memcpy()
*/
bool
intel_gettexsubimage_tiled_memcpy(struct gl_context *ctx,
struct gl_texture_image *texImage,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
GLvoid *pixels,
const struct gl_pixelstore_attrib *packing)
{
struct brw_context *brw = brw_context(ctx);
struct intel_texture_image *image = intel_texture_image(texImage);
int dst_pitch;
/* The miptree's buffer. */
drm_intel_bo *bo;
int error = 0;
uint32_t cpp;
mem_copy_fn mem_copy = NULL;
/* This fastpath is restricted to specific texture types:
* a 2D BGRA, RGBA, L8 or A8 texture. It could be generalized to support
* more types.
*
* FINISHME: The restrictions below on packing alignment and packing row
* length are likely unneeded now because we calculate the destination stride
* with _mesa_image_row_stride. However, before removing the restrictions
* we need tests.
*/
if (!brw->has_llc ||
!(type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_8_8_8_8_REV) ||
!(texImage->TexObject->Target == GL_TEXTURE_2D ||
texImage->TexObject->Target == GL_TEXTURE_RECTANGLE) ||
pixels == NULL ||
_mesa_is_bufferobj(packing->BufferObj) ||
packing->Alignment > 4 ||
packing->SkipPixels > 0 ||
packing->SkipRows > 0 ||
(packing->RowLength != 0 && packing->RowLength != width) ||
packing->SwapBytes ||
packing->LsbFirst ||
packing->Invert)
return false;
/* We can't handle copying from RGBX or BGRX because the tiled_memcpy
* function doesn't set the last channel to 1.
*/
if (texImage->TexFormat == MESA_FORMAT_B8G8R8X8_UNORM ||
texImage->TexFormat == MESA_FORMAT_R8G8B8X8_UNORM)
return false;
if (!intel_get_memcpy(texImage->TexFormat, format, type, &mem_copy, &cpp,
INTEL_DOWNLOAD))
return false;
/* If this is a nontrivial texture view, let another path handle it instead. */
if (texImage->TexObject->MinLayer)
return false;
if (!image->mt ||
(image->mt->tiling != I915_TILING_X &&
image->mt->tiling != I915_TILING_Y)) {
/* The algorithm is written only for X- or Y-tiled memory. */
return false;
}
/* Since we are going to write raw data to the miptree, we need to resolve
* any pending fast color clears before we start.
*/
intel_miptree_resolve_color(brw, image->mt);
bo = image->mt->bo;
if (drm_intel_bo_references(brw->batch.bo, bo)) {
perf_debug("Flushing before mapping a referenced bo.\n");
intel_batchbuffer_flush(brw);
}
error = brw_bo_map(brw, bo, false /* write enable */, "miptree");
if (error) {
DBG("%s: failed to map bo\n", __func__);
return false;
}
dst_pitch = _mesa_image_row_stride(packing, width, format, type);
DBG("%s: level=%d x,y=(%d,%d) (w,h)=(%d,%d) format=0x%x type=0x%x "
"mesa_format=0x%x tiling=%d "
"packing=(alignment=%d row_length=%d skip_pixels=%d skip_rows=%d)\n",
__func__, texImage->Level, xoffset, yoffset, width, height,
format, type, texImage->TexFormat, image->mt->tiling,
packing->Alignment, packing->RowLength, packing->SkipPixels,
packing->SkipRows);
int level = texImage->Level + texImage->TexObject->MinLevel;
/* Adjust x and y offset based on miplevel */
xoffset += image->mt->level[level].level_x;
yoffset += image->mt->level[level].level_y;
tiled_to_linear(
xoffset * cpp, (xoffset + width) * cpp,
yoffset, yoffset + height,
pixels - (ptrdiff_t) yoffset * dst_pitch - (ptrdiff_t) xoffset * cpp,
bo->virtual,
dst_pitch, image->mt->pitch,
brw->has_swizzling,
image->mt->tiling,
mem_copy
);
drm_intel_bo_unmap(bo);
return true;
}
static void
intel_get_tex_image(struct gl_context *ctx,
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_image *texImage) {
struct brw_context *brw = brw_context(ctx);
bool ok;
DBG("%s\n", __func__);
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
if (_mesa_meta_pbo_GetTexSubImage(ctx, 3, texImage, 0, 0, 0,
texImage->Width, texImage->Height,
texImage->Depth, format, type,
pixels, &ctx->Pack)) {
/* Flush to guarantee coherency between the render cache and other
* caches the PBO could potentially be bound to after this point.
* See the related comment in intelReadPixels() for a more detailed
* explanation.
*/
intel_batchbuffer_emit_mi_flush(brw);
return;
}
perf_debug("%s: fallback to CPU mapping in PBO case\n", __func__);
}
ok = intel_gettexsubimage_tiled_memcpy(ctx, texImage, 0, 0,
texImage->Width, texImage->Height,
format, type, pixels, &ctx->Pack);
if(ok)
return;
_mesa_meta_GetTexImage(ctx, format, type, pixels, texImage);
DBG("%s - DONE\n", __func__);
}
void
intelInitTextureImageFuncs(struct dd_function_table *functions)
{
functions->TexImage = intelTexImage;
functions->EGLImageTargetTexture2D = intel_image_target_texture_2d;
functions->BindRenderbufferTexImage = intel_bind_renderbuffer_tex_image;
functions->GetTexImage = intel_get_tex_image;
}