#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 "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 "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 firstLevel;
GLuint lastLevel;
int width, height, depth;
GLuint i;
intel_miptree_get_dimensions_for_image(&intelImage->base.Base,
&width, &height, &depth);
DBG("%s\n", __FUNCTION__);
if (intelImage->base.Base.Level > intelObj->base.BaseLevel &&
(width == 1 ||
(intelObj->base.Target != GL_TEXTURE_1D && height == 1) ||
(intelObj->base.Target == GL_TEXTURE_3D && depth == 1))) {
/* For this combination, we're at some lower mipmap level and
* some important dimension is 1. We can't extrapolate up to a
* likely base level width/height/depth for a full mipmap stack
* from this info, so just allocate this one level.
*/
firstLevel = intelImage->base.Base.Level;
lastLevel = intelImage->base.Base.Level;
} else {
/* If this image disrespects BaseLevel, allocate from level zero.
* Usually BaseLevel == 0, so it's unlikely to happen.
*/
if (intelImage->base.Base.Level < intelObj->base.BaseLevel)
firstLevel = 0;
else
firstLevel = intelObj->base.BaseLevel;
/* Figure out image dimensions at start level. */
for (i = intelImage->base.Base.Level; i > firstLevel; 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 == firstLevel &&
firstLevel == 0) {
lastLevel = firstLevel;
} else {
lastLevel = (firstLevel +
_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,
firstLevel,
lastLevel,
width,
height,
depth,
expect_accelerated_upload,
intelImage->base.Base.NumSamples,
INTEL_MIPTREE_TILING_ANY);
}
/* 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 brw_context *brw = brw_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 (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(brw, 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(brw,
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(brw,
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 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)
{
bool ok;
DBG("%s target %s level %d %dx%dx%d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(texImage->TexObject->Target),
texImage->Level, texImage->Width, texImage->Height, texImage->Depth);
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,
true /*for_glTexImage*/);
if (ok)
return;
/* Attempt to use the blitter for PBO image uploads.
*/
if (dims <= 2 &&
try_pbo_upload(ctx, texImage, unpack, format, type, pixels)) {
return;
}
DBG("%s: upload image %dx%dx%d pixels %p\n",
__FUNCTION__, texImage->Width, texImage->Height, texImage->Depth,
pixels);
_mesa_store_teximage(ctx, dims, texImage,
format, type, pixels, unpack);
}
/**
* Binds a region to a texture image, like it was uploaded by glTexImage2D().
*
* Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
*/
static void
intel_set_texture_image_region(struct gl_context *ctx,
struct gl_texture_image *image,
struct intel_region *region,
GLenum target,
GLenum internalFormat,
gl_format format,
uint32_t offset,
GLuint width,
GLuint height,
GLuint tile_x,
GLuint tile_y)
{
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_layout(brw, target, image->TexFormat,
0, 0,
width, height, 1,
true, 0 /* num_samples */);
if (intel_image->mt == NULL)
return;
intel_region_reference(&intel_image->mt->region, region);
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(region
->pitch
% region
->cpp
== 0); intel_image->base.RowStride = region->pitch / region->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_texture_object *intelObj;
struct intel_renderbuffer *rb;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
int level = 0, internalFormat = 0;
gl_format texFormat = MESA_FORMAT_NONE;
texObj = _mesa_get_current_tex_object(ctx, target);
intelObj = intel_texture_object(texObj);
if (!intelObj)
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 region isn't set, then intel_update_renderbuffers was unable
* to get the buffers for the drawable.
*/
if (!rb || !rb->mt)
return;
if (rb->mt->cpp == 4) {
if (texture_format == __DRI_TEXTURE_FORMAT_RGB) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_XRGB8888;
}
else {
internalFormat = GL_RGBA;
texFormat = MESA_FORMAT_ARGB8888;
}
} else if (rb->mt->cpp == 2) {
internalFormat = GL_RGB;
texFormat = MESA_FORMAT_RGB565;
}
_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_region(ctx, texImage, rb->mt->region, target,
internalFormat, texFormat, 0,
rb->mt->region->width,
rb->mt->region->height,
0, 0);
_mesa_unlock_texture(&brw->ctx, texObj);
}
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;
/* 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;
}
intel_set_texture_image_region(ctx, texImage, image->region,
target, image->internal_format,
image->format, image->offset,
image->width, image->height,
image->tile_x, image->tile_y);
}
void
intelInitTextureImageFuncs(struct dd_function_table *functions)
{
functions->TexImage = intelTexImage;
functions->EGLImageTargetTexture2D = intel_image_target_texture_2d;
}