static void
st_egl_image_target_renderbuffer_storage(struct gl_context *ctx,
struct gl_renderbuffer *rb,
GLeglImageOES image_handle)
{
struct st_context *st = st_context(ctx);
struct st_renderbuffer *strb = st_renderbuffer(rb);
struct pipe_surface *ps;
unsigned usage;
usage = PIPE_BIND_RENDER_TARGET;
ps = st_manager_get_egl_image_surface(st, (void *) image_handle, usage);
if (ps) {
strb->Base.Width = ps->width;
strb->Base.Height = ps->height;
strb->Base.Format = st_pipe_format_to_mesa_format(ps->format);
strb->Base.DataType = st_format_datatype(ps->format);
strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format);
strb->Base.InternalFormat = strb->Base._BaseFormat;
pipe_surface_reference(&strb->surface, ps);
pipe_resource_reference(&strb->texture, ps->texture);
pipe_surface_reference(&ps, NULL);
}
}
/**
* gl_renderbuffer::AllocStorage()
* This is called to allocate the original drawing surface, and
* during window resize.
*/
static GLboolean
st_renderbuffer_alloc_storage(struct gl_context * ctx,
struct gl_renderbuffer *rb,
GLenum internalFormat,
GLuint width, GLuint height)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = st->pipe->screen;
struct st_renderbuffer *strb = st_renderbuffer(rb);
enum pipe_format format;
struct pipe_surface surf_tmpl;
format = st_choose_renderbuffer_format(screen, internalFormat,
rb->NumSamples);
if (format == PIPE_FORMAT_NONE) {
return FALSE;
}
/* init renderbuffer fields */
strb->Base.Width = width;
strb->Base.Height = height;
strb->Base.Format = st_pipe_format_to_mesa_format(format);
strb->Base._BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);
strb->Base.DataType = st_format_datatype(format);
strb->format = format;
strb->defined = GL_FALSE; /* undefined contents now */
if (strb->software) {
size_t size;
free(strb->data);
assert(strb->format != PIPE_FORMAT_NONE);
strb->stride = util_format_get_stride(strb->format, width);
size = util_format_get_2d_size(strb->format, strb->stride, height);
strb->data = malloc(size);
return strb->data != NULL;
}
else {
struct pipe_resource template;
/* Free the old surface and texture
*/
pipe_surface_reference( &strb->surface, NULL );
pipe_resource_reference( &strb->texture, NULL );
pipe_sampler_view_reference(&strb->sampler_view, NULL);
/* Setup new texture template.
*/
memset(&template, 0, sizeof(template));
/**
* Compute the renderbuffer's Red/Green/EtcBit fields from the pipe format.
*/
static int
init_renderbuffer_bits(struct st_renderbuffer *strb,
enum pipe_format pipeFormat)
{
struct pipe_format_info info;
if (!st_get_format_info( pipeFormat, &info )) {
assert( 0 );
}
strb->Base.Format = info.mesa_format;
strb->Base.DataType = st_format_datatype(pipeFormat);
return info.size;
}
/**
* Compute the renderbuffer's Red/Green/EtcBit fields from the pipe format.
*/
static int
init_renderbuffer_bits(struct st_renderbuffer *strb,
enum pipe_format pipeFormat)
{
struct pipe_format_info info;
if (!st_get_format_info( pipeFormat, &info )) {
assert( 0 );
}
strb->Base._ActualFormat = info.base_format;
strb->Base.RedBits = info.red_bits;
strb->Base.GreenBits = info.green_bits;
strb->Base.BlueBits = info.blue_bits;
strb->Base.AlphaBits = info.alpha_bits;
strb->Base.DepthBits = info.depth_bits;
strb->Base.StencilBits = info.stencil_bits;
strb->Base.DataType = st_format_datatype(pipeFormat);
return info.size;
}
