static gboolean
allocate_with_size (CoglTexture2D *tex_2d,
CoglTextureLoader *loader,
CoglError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_2d);
CoglPixelFormat internal_format;
int width = loader->src.sized.width;
int height = loader->src.sized.height;
CoglContext *ctx = tex->context;
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
GLenum gl_texture;
internal_format =
_cogl_texture_determine_internal_format (tex, COGL_PIXEL_FORMAT_ANY);
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;
}
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
&gl_format,
&gl_type);
gl_texture = ctx->texture_driver->gen (ctx, GL_TEXTURE_2D, internal_format);
tex_2d->gl_internal_format = gl_intformat;
_cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
gl_texture,
tex_2d->is_foreign);
/* Clear any GL errors */
_cogl_gl_util_clear_gl_errors (ctx);
ctx->glTexImage2D (GL_TEXTURE_2D, 0, gl_intformat,
width, height, 0, gl_format, gl_type, NULL);
if (_cogl_gl_util_catch_out_of_memory (ctx, error))
{
GE( ctx, glDeleteTextures (1, &gl_texture) );
return FALSE;
}
tex_2d->gl_texture = gl_texture;
tex_2d->gl_internal_format = gl_intformat;
tex_2d->internal_format = internal_format;
_cogl_texture_set_allocated (tex, internal_format, width, height);
return TRUE;
}
static CoglBool
allocate_with_size (CoglTextureRectangle *tex_rect,
CoglTextureLoader *loader,
CoglError **error)
{
CoglTexture *tex = COGL_TEXTURE (tex_rect);
CoglContext *ctx = tex->context;
CoglPixelFormat internal_format;
int width = loader->src.sized.width;
int height = loader->src.sized.height;
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
GLenum gl_error;
GLenum gl_texture;
internal_format =
_cogl_texture_determine_internal_format (tex, COGL_PIXEL_FORMAT_ANY);
if (!_cogl_texture_rectangle_can_create (ctx,
width,
height,
internal_format,
error))
return FALSE;
ctx->driver_vtable->pixel_format_to_gl (ctx,
internal_format,
&gl_intformat,
&gl_format,
&gl_type);
gl_texture =
ctx->texture_driver->gen (ctx,
GL_TEXTURE_RECTANGLE_ARB,
internal_format);
_cogl_bind_gl_texture_transient (GL_TEXTURE_RECTANGLE_ARB,
gl_texture,
tex_rect->is_foreign);
/* Clear any GL errors */
while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR)
;
ctx->glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, gl_intformat,
width, height, 0, gl_format, gl_type, NULL);
if (_cogl_gl_util_catch_out_of_memory (ctx, error))
{
GE( ctx, glDeleteTextures (1, &gl_texture) );
return FALSE;
}
tex_rect->internal_format = internal_format;
tex_rect->gl_texture = gl_texture;
tex_rect->gl_format = gl_intformat;
_cogl_texture_set_allocated (COGL_TEXTURE (tex_rect),
internal_format, width, height);
return TRUE;
}