CompizUtils: add TextureQuad and PixmapTextureQuad structs

(bzr r3566.5.34)

1 files changed, 33 insertions, 0 deletions

diff --git a/plugins/unityshell/src/CompizUtils.h b/plugins/unityshell/src/CompizUtils.h
index 717da2300..3781d1ed5 100644
--- a/plugins/unityshell/src/CompizUtils.h
+++ b/plugins/unityshell/src/CompizUtils.h
@@ -27,6 +27,12 @@ namespace unity
 namespace compiz_utils
 {
 
+struct TextureQuad
+{
+ CompRect box;
+ GLTexture::Matrix matrix;
+};
+
 struct PixmapTexture
 {
 typedef std::shared_ptr<PixmapTexture> Ptr;
@@ -43,6 +49,33 @@ private:
 GLTexture::List texture_;
 };
 
+struct PixmapTextureQuad
+{
+ void Init(PixmapTexture::Ptr const& pixmap_texture)
+ {
+ pt = pixmap_texture;
+
+ if (pt && pt->texture())
+ {
+ auto* tex = pt->texture();
+ quad.box.setWidth(tex->width());
+ quad.box.setHeight(tex->height());
+ }
+ }
+
+ void SetCoords(int x, int y)
+ {
+ quad.box.setX(x);
+ quad.box.setY(y);
+ quad.matrix = (pt && pt->texture()) ? pt->texture()->matrix() : GLTexture::Matrix();
+ quad.matrix.x0 = 0.0f - COMP_TEX_COORD_X(quad.matrix, x);
+ quad.matrix.y0 = 0.0f - COMP_TEX_COORD_Y(quad.matrix, y);
+ }
+
+ PixmapTexture::Ptr pt;
+ TextureQuad quad;
+};
+
 struct CairoContext
 {
 CairoContext(unsigned width, unsigned height);