3 commits

Author	SHA1	Message	Date
Yuxuan Shui	de209fd52c	backend: gl: fix x_rect_to_coords when y_inverted is false ... Since image_dst is in X coordinates, after flipping Y, we need to subtract the height of the drawing area, to make it the bottom right corner for OpenGL. However, this breaks blur. Because we assumed the drawing area is the same size as the texture, which is not the case for blur. So add the height of the drawing area as another parameter. Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>	2022-08-26 05:43:12 +01:00
Yuxuan Shui	e942f253f7	backend: gl: make blur take a source texture and a target fbo ... Instead of always using the back texture/fbo. Also use the size of the source texture, instead of hard coded back buffer size. Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>	2022-08-25 18:07:57 +01:00
Yuxuan Shui	e2d990dc3d	backend: gl: split code into multiple files ... gl_common.c is getting too big. Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>	2022-08-25 13:31:54 +01:00