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st/mesa: Advertise GL_EXT_shader_framebuffer_fetch_non_coherent

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This extension requires the ability to read from all render targets,
so we only enable it if PIPE_CAP_FBFETCH >= PIPE_CAP_MAX_RENDER_TARGETS.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Kenneth Graunke 2019-04-24 13:08:57 -07:00
parent a2d7834457
commit 87f4286137
1 changed files with 5 additions and 0 deletions
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5
src/mesa/state_tracker/st_extensions.c
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@ -1398,6 +1398,11 @@ void st_init_extensions(struct pipe_screen *screen,
if (max_fb_fetch_rts > 0) {
extensions->KHR_blend_equation_advanced = true;
if (max_fb_fetch_rts >=
screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS)) {
extensions->EXT_shader_framebuffer_fetch_non_coherent = true;
}
}
consts->MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS);