#include <gtk/gtk.h>
#include <cstdint>

Functions
G_BEGIN_DECLS	G_DECLARE_FINAL_TYPE (FlBackingStoreProvider, fl_backing_store_provider, FL, BACKING_STORE_PROVIDER, GObject) FlBackingStoreProvider *fl_backing_store_provider_new(int width

uint32_t	fl_backing_store_provider_get_gl_framebuffer_id (FlBackingStoreProvider *provider)

uint32_t	fl_backing_store_provider_get_gl_texture_id (FlBackingStoreProvider *provider)

uint32_t	fl_backing_store_provider_get_gl_target (FlBackingStoreProvider *provider)

uint32_t	fl_backing_store_provider_get_gl_format (FlBackingStoreProvider *provider)

GdkRectangle	fl_backing_store_provider_get_geometry (FlBackingStoreProvider *provider)

Variables
G_BEGIN_DECLS int	height

Function Documentation

◆ fl_backing_store_provider_get_geometry()

GdkRectangle fl_backing_store_provider_get_geometry ( FlBackingStoreProvider * provider )

fl_backing_store_provider_get_geometry: @provider: an #FlBackingStoreProvider.

Gets geometry of framebuffer.

Returns: geometry of backing store.

Definition at line 105 of file fl_backing_store_provider.cc.

                                  {
  return self->geometry;
}

◆ fl_backing_store_provider_get_gl_format()

uint32_t fl_backing_store_provider_get_gl_format ( FlBackingStoreProvider * provider )

fl_backing_store_provider_get_gl_format: @provider: an #FlBackingStoreProvider.

Gets texture format (example GL_RGBA8).

Returns: texture format.

Definition at line 80 of file fl_backing_store_provider.cc.

                                                                               {
  // Flutter defines SK_R32_SHIFT=16, so SK_PMCOLOR_BYTE_ORDER should be BGRA.
  // In Linux kN32_SkColorType is assumed to be kBGRA_8888_SkColorType.
  // So we must choose a valid gl format to be compatible with surface format
  // BGRA8.
  // Following logic is copied from Skia GrGLCaps.cpp:
  // https://github.com/google/skia/blob/4738ed711e03212aceec3cd502a4adb545f38e63/src/gpu/ganesh/gl/GrGLCaps.cpp#L1963-L2116
 
  if (epoxy_is_desktop_gl()) {
    // For OpenGL.
    if (epoxy_gl_version() >= 12 || epoxy_has_gl_extension("GL_EXT_bgra")) {
      return GL_RGBA8;
    }
  } else {
    // For OpenGL ES.
    if (epoxy_has_gl_extension("GL_EXT_texture_format_BGRA8888") ||
        (epoxy_has_gl_extension("GL_APPLE_texture_format_BGRA8888") &&
         epoxy_gl_version() >= 30)) {
      return GL_BGRA8_EXT;
    }
  }
  g_critical("Failed to determine valid GL format for Flutter rendering");
  return GL_RGBA8;
}

◆ fl_backing_store_provider_get_gl_framebuffer_id()

uint32_t fl_backing_store_provider_get_gl_framebuffer_id ( FlBackingStoreProvider * provider )

fl_backing_store_provider_get_gl_framebuffer_id: @provider: an #FlBackingStoreProvider.

Gets created framebuffer id.

Returns: gl framebuffer id, 0 if creation failed.

Definition at line 66 of file fl_backing_store_provider.cc.

                                  {
  return self->framebuffer_id;
}

◆ fl_backing_store_provider_get_gl_target()

uint32_t fl_backing_store_provider_get_gl_target ( FlBackingStoreProvider * provider )

fl_backing_store_provider_get_gl_target: @provider: an #FlBackingStoreProvider.

Gets target texture (example GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE).

Returns: target texture.

Definition at line 76 of file fl_backing_store_provider.cc.

                                                                               {
  return GL_TEXTURE_2D;
}

◆ fl_backing_store_provider_get_gl_texture_id()

uint32_t fl_backing_store_provider_get_gl_texture_id ( FlBackingStoreProvider * provider )

fl_backing_store_provider_get_gl_texture_id: @provider: an #FlBackingStoreProvider.

Gets created texture id.

Returns: gl texture id, 0 if creation failed.

Definition at line 71 of file fl_backing_store_provider.cc.

                                  {
  return self->texture_id;
}

◆ G_DECLARE_FINAL_TYPE()

G_BEGIN_DECLS G_DECLARE_FINAL_TYPE	(	FlBackingStoreProvider	,
		fl_backing_store_provider	,
		FL	,
		BACKING_STORE_PROVIDER	,
		GObject
	)

FlBackingStoreProvider:

#FlBackingStoreProvider creates framebuffers and their backing textures for embedder compositor. fl_backing_store_provider_new: @width: width of texture. @height: height of texture.

Creates a new frame buffer. fl_renderer_make_current() must be called first.

Returns: a new #FlBackingStoreProvider.

Variable Documentation

◆ height

G_BEGIN_DECLS int height

Definition at line 37 of file fl_backing_store_provider.h.

Functions

Variables