static CoglBool
_cogl_texture_rectangle_set_region (CoglTexture *tex,
int src_x,
int src_y,
int dst_x,
int dst_y,
int dst_width,
int dst_height,
int level,
CoglBitmap *bmp,
CoglError **error)
{
CoglBitmap *upload_bmp;
GLenum gl_format;
GLenum gl_type;
CoglContext *ctx = tex->context;
CoglBool status;
upload_bmp =
_cogl_bitmap_convert_for_upload (bmp,
_cogl_texture_get_format (tex),
FALSE, /* can't convert in place */
error);
if (upload_bmp == NULL)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
cogl_bitmap_get_format (upload_bmp),
NULL, /* internal format */
&gl_format,
&gl_type);
/* Send data to GL */
status =
ctx->texture_driver->upload_subregion_to_gl (ctx,
tex,
FALSE,
src_x, src_y,
dst_x, dst_y,
dst_width, dst_height,
level,
upload_bmp,
gl_format,
gl_type,
error);
cogl_object_unref (upload_bmp);
return status;
}
static CoglBool
allocate_from_bitmap (CoglTexture3D *tex_3d,
CoglTextureLoader *loader,
CoglError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_3d);
CoglContext *ctx = tex->context;
CoglPixelFormat internal_format;
CoglBitmap *bmp = loader->src.bitmap.bitmap;
int bmp_width = cogl_bitmap_get_width (bmp);
int height = loader->src.bitmap.height;
int depth = loader->src.bitmap.depth;
CoglPixelFormat bmp_format = cogl_bitmap_get_format (bmp);
CoglBool can_convert_in_place = loader->src.bitmap.can_convert_in_place;
CoglBitmap *upload_bmp;
CoglPixelFormat upload_format;
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
internal_format = _cogl_texture_determine_internal_format (tex, bmp_format);
if (!_cogl_texture_3d_can_create (ctx,
bmp_width, height, depth,
internal_format,
error))
return FALSE;
upload_bmp = _cogl_bitmap_convert_for_upload (bmp,
internal_format,
can_convert_in_place,
error);
if (upload_bmp == NULL)
return FALSE;
upload_format = cogl_bitmap_get_format (upload_bmp);
ctx->driver_vtable->pixel_format_to_gl (ctx,
upload_format,
NULL, /* internal format */
&gl_format,
&gl_type);
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
NULL,
NULL);
/* Keep a copy of the first pixel so that if glGenerateMipmap isn't
supported we can fallback to using GL_GENERATE_MIPMAP */
if (!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN))
{
CoglError *ignore = NULL;
uint8_t *data = _cogl_bitmap_map (upload_bmp,
COGL_BUFFER_ACCESS_READ, 0,
&ignore);
tex_3d->first_pixel.gl_format = gl_format;
tex_3d->first_pixel.gl_type = gl_type;
if (data)
{
memcpy (tex_3d->first_pixel.data, data,
_cogl_pixel_format_get_bytes_per_pixel (upload_format));
_cogl_bitmap_unmap (upload_bmp);
}
else
{
g_warning ("Failed to read first pixel of bitmap for "
"glGenerateMipmap fallback");
cogl_error_free (ignore);
memset (tex_3d->first_pixel.data, 0,
_cogl_pixel_format_get_bytes_per_pixel (upload_format));
}
}
tex_3d->gl_texture =
ctx->texture_driver->gen (ctx, GL_TEXTURE_3D, internal_format);
if (!ctx->texture_driver->upload_to_gl_3d (ctx,
GL_TEXTURE_3D,
tex_3d->gl_texture,
FALSE, /* is_foreign */
height,
depth,
upload_bmp,
gl_intformat,
gl_format,
gl_type,
error))
{
cogl_object_unref (upload_bmp);
return FALSE;
}
tex_3d->gl_format = gl_intformat;
cogl_object_unref (upload_bmp);
tex_3d->depth = loader->src.bitmap.depth;
tex_3d->internal_format = internal_format;
_cogl_texture_set_allocated (tex, internal_format,
bmp_width, loader->src.bitmap.height);
return TRUE;
}
gboolean
_cogl_texture_2d_gl_copy_from_bitmap (CoglTexture2D *tex_2d,
int src_x,
int src_y,
int width,
int height,
CoglBitmap *bmp,
int dst_x,
int dst_y,
int level,
CoglError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglContext *ctx = tex->context;
CoglBitmap *upload_bmp;
CoglPixelFormat upload_format;
GLenum gl_format;
GLenum gl_type;
gboolean status = TRUE;
upload_bmp =
_cogl_bitmap_convert_for_upload (bmp,
_cogl_texture_get_format (tex),
FALSE, /* can't convert in place */
error);
if (upload_bmp == NULL)
return FALSE;
upload_format = cogl_bitmap_get_format (upload_bmp);
ctx->driver_vtable->pixel_format_to_gl (ctx,
upload_format,
NULL, /* internal gl format */
&gl_format,
&gl_type);
/* If this touches the first pixel then we'll update our copy */
if (dst_x == 0 && dst_y == 0 &&
!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN))
{
CoglError *ignore = NULL;
uint8_t *data =
_cogl_bitmap_map (upload_bmp, COGL_BUFFER_ACCESS_READ, 0, &ignore);
CoglPixelFormat bpp =
_cogl_pixel_format_get_bytes_per_pixel (upload_format);
tex_2d->first_pixel.gl_format = gl_format;
tex_2d->first_pixel.gl_type = gl_type;
if (data)
{
memcpy (tex_2d->first_pixel.data,
(data +
cogl_bitmap_get_rowstride (upload_bmp) * src_y +
bpp * src_x),
bpp);
_cogl_bitmap_unmap (bmp);
}
else
{
g_warning ("Failed to read first bitmap pixel for "
"glGenerateMipmap fallback");
cogl_error_free (ignore);
memset (tex_2d->first_pixel.data, 0, bpp);
}
}
status = ctx->texture_driver->upload_subregion_to_gl (ctx,
tex,
FALSE,
src_x, src_y,
dst_x, dst_y,
width, height,
level,
upload_bmp,
gl_format,
gl_type,
error);
cogl_object_unref (upload_bmp);
_cogl_texture_gl_maybe_update_max_level (tex, level);
return status;
}
static gboolean
allocate_from_bitmap (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
CoglError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglBitmap *bmp = loader->src.bitmap.bitmap;
CoglContext *ctx = _cogl_bitmap_get_context (bmp);
CoglPixelFormat internal_format;
int width = cogl_bitmap_get_width (bmp);
int height = cogl_bitmap_get_height (bmp);
gboolean can_convert_in_place = loader->src.bitmap.can_convert_in_place;
CoglBitmap *upload_bmp;
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
internal_format =
_cogl_texture_determine_internal_format (tex, cogl_bitmap_get_format (bmp));
if (!_cogl_texture_2d_gl_can_create (ctx,
width,
height,
internal_format))
{
_cogl_set_error (error, COGL_TEXTURE_ERROR,
COGL_TEXTURE_ERROR_SIZE,
"Failed to create texture 2d due to size/format"
" constraints");
return FALSE;
}
upload_bmp = _cogl_bitmap_convert_for_upload (bmp,
internal_format,
can_convert_in_place,
error);
if (upload_bmp == NULL)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
cogl_bitmap_get_format (upload_bmp),
NULL, /* internal format */
&gl_format,
&gl_type);
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
NULL,
NULL);
/* Keep a copy of the first pixel so that if glGenerateMipmap isn't
supported we can fallback to using GL_GENERATE_MIPMAP */
if (!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN))
{
CoglError *ignore = NULL;
uint8_t *data = _cogl_bitmap_map (upload_bmp,
COGL_BUFFER_ACCESS_READ, 0,
&ignore);
CoglPixelFormat format = cogl_bitmap_get_format (upload_bmp);
tex_2d->first_pixel.gl_format = gl_format;
tex_2d->first_pixel.gl_type = gl_type;
if (data)
{
memcpy (tex_2d->first_pixel.data, data,
_cogl_pixel_format_get_bytes_per_pixel (format));
_cogl_bitmap_unmap (upload_bmp);
}
else
{
g_warning ("Failed to read first pixel of bitmap for "
"glGenerateMipmap fallback");
cogl_error_free (ignore);
memset (tex_2d->first_pixel.data, 0,
_cogl_pixel_format_get_bytes_per_pixel (format));
}
}
tex_2d->gl_texture =
ctx->texture_driver->gen (ctx, GL_TEXTURE_2D, internal_format);
if (!ctx->texture_driver->upload_to_gl (ctx,
GL_TEXTURE_2D,
tex_2d->gl_texture,
FALSE,
upload_bmp,
gl_intformat,
gl_format,
gl_type,
error))
{
cogl_object_unref (upload_bmp);
return FALSE;
}
tex_2d->gl_internal_format = gl_intformat;
cogl_object_unref (upload_bmp);
tex_2d->internal_format = internal_format;
_cogl_texture_set_allocated (tex, internal_format, width, height);
return TRUE;
}
static CoglBool
allocate_from_bitmap (CoglTextureRectangle *tex_rect,
CoglTextureLoader *loader,
CoglError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_rect);
CoglContext *ctx = tex->context;
CoglPixelFormat internal_format;
CoglBitmap *bmp = loader->src.bitmap.bitmap;
int width = cogl_bitmap_get_width (bmp);
int height = cogl_bitmap_get_height (bmp);
CoglBool can_convert_in_place = loader->src.bitmap.can_convert_in_place;
CoglBitmap *upload_bmp;
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
internal_format =
_cogl_texture_determine_internal_format (tex, cogl_bitmap_get_format (bmp));
if (!_cogl_texture_rectangle_can_create (ctx,
width,
height,
internal_format,
error))
return FALSE;
upload_bmp = _cogl_bitmap_convert_for_upload (bmp,
internal_format,
can_convert_in_place,
error);
if (upload_bmp == NULL)
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
cogl_bitmap_get_format (upload_bmp),
NULL, /* internal format */
&gl_format,
&gl_type);
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
NULL,
NULL);
tex_rect->gl_texture =
ctx->texture_driver->gen (ctx,
GL_TEXTURE_RECTANGLE_ARB,
internal_format);
if (!ctx->texture_driver->upload_to_gl (ctx,
GL_TEXTURE_RECTANGLE_ARB,
tex_rect->gl_texture,
FALSE,
upload_bmp,
gl_intformat,
gl_format,
gl_type,
error))
{
cogl_object_unref (upload_bmp);
return FALSE;
}
tex_rect->gl_format = gl_intformat;
tex_rect->internal_format = internal_format;
cogl_object_unref (upload_bmp);
_cogl_texture_set_allocated (COGL_TEXTURE (tex_rect),
internal_format, width, height);
return TRUE;
}
