From 2c3273861cdf874b165ce5a1953102187f71b48e Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 27 Jan 2016 11:15:27 -0800 Subject: [PATCH] glamor: Clarify how the repeat values being passed around work. Signed-off-by: Eric Anholt Reviewed-by: Dave Airlie Reviewed-by: Kenneth Graunke --- glamor/glamor_render.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/glamor/glamor_render.c b/glamor/glamor_render.c index a2a7f4af5..ed425f5cb 100644 --- a/glamor/glamor_render.c +++ b/glamor/glamor_render.c @@ -76,11 +76,11 @@ glamor_create_composite_fs(struct shader_key *key) "{\n" " vec2 rel_tex; \n" " rel_tex = texture * wh.xy; \n" - " if (repeat == RepeatNone)\n" + " if (repeat == RepeatFix + RepeatNone)\n" " return rel_tex; \n" - " else if (repeat == RepeatNormal) \n" + " else if (repeat == RepeatFix + RepeatNormal) \n" " rel_tex = floor(rel_tex) + (fract(rel_tex) / wh.xy); \n" - " else if (repeat == RepeatPad) { \n" + " else if (repeat == RepeatFix + RepeatPad) { \n" " if (rel_tex.x >= 1.0) \n" " rel_tex.x = 1.0 - wh.z * wh.x / 2.; \n" " else if (rel_tex.x < 0.0) \n" @@ -90,7 +90,7 @@ glamor_create_composite_fs(struct shader_key *key) " else if (rel_tex.y < 0.0) \n" " rel_tex.y = 0.0; \n" " rel_tex = rel_tex / wh.xy; \n" - " } else if (repeat == RepeatReflect) {\n" + " } else if (repeat == RepeatFix + RepeatReflect) {\n" " if ((1.0 - mod(abs(floor(rel_tex.x)), 2.0)) < 0.001)\n" " rel_tex.x = 2.0 - (1.0 - fract(rel_tex.x)) / wh.x;\n" " else \n" @@ -107,8 +107,8 @@ glamor_create_composite_fs(struct shader_key *key) const char *rel_sampler = " vec4 rel_sampler(sampler2D tex_image, vec2 tex, vec4 wh, int repeat, int set_alpha)\n" "{\n" - " tex = rel_tex_coord(tex, wh, repeat - RepeatFix);\n" - " if (repeat == RepeatFix) {\n" + " tex = rel_tex_coord(tex, wh, repeat);\n" + " if (repeat == RepeatFix + RepeatNone) {\n" " if (!(tex.x >= 0.0 && tex.x < 1.0 \n" " && tex.y >= 0.0 && tex.y < 1.0))\n" " return vec4(0.0, 0.0, 0.0, set_alpha);\n"