Jose Maria Casanova Crespo f33853f861 render/gles2: add scissor-based clipping for tile-based renderers ... Add an optional scissor-based clipping strategy to the GLES2 render pass, it is enabled with WLR_GLES2_SCISSOR_CLIP=1 env var. And it is disabled by default so it doesn't affect current users. On tile-based renderers like V3D (Broadcom VideoCore, used in Raspberry Pi), not using scissoring makes the GPU to render the full-surface. If scissor is applied only the tiles affected are load/render/stored reducing the GPU usage. Patch backported to wlroots 0.19 with labwc on Raspberry Pi OS with v3d running glxgear 300x300 on top left corner of screen: - Before: labwc uses 21.5% of GPU render availability. - After : labwc uses 3.3% of GPU render availability. This patch over wlroots master with sway on Raspberry Pi OS with v3d running glxgear half-screen and a terminal half screen: - Before: sway uses 23.5% of GPU render availability. - After : sway uses 13.6% of GPU render availability.		2026-03-12 22:00:03 +01:00
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shaders	render/gles2: skip glslang check when shaders are unchanged	2026-01-05 09:59:58 -05:00
meson.build	render/gles2: validate shaders at build time	2024-12-15 13:59:42 +01:00
pass.c	render/gles2: add scissor-based clipping for tile-based renderers	2026-03-12 22:00:03 +01:00
pixel_format.c	render/gles2: add BGR161616F and BGR161616	2026-01-03 17:47:19 +00:00
renderer.c	render/gles2: add scissor-based clipping for tile-based renderers	2026-03-12 22:00:03 +01:00
texture.c	treewide: make type-check helpers take const pointers	2026-03-06 16:04:21 +08:00