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mesa: add STATIC_ASSERTs to the STATE_LIGHT_ATTRIBS case

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Reviewed-by: Zoltán Böszörményi <zboszor@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8017>
This commit is contained in:
Marek Olšák
2021-01-01 12:13:28 -05:00
committed by Marge Bot
parent 6549caf2c2
commit 4db8b171a5
1 changed files with 7 additions and 1 deletions
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8
src/mesa/program/prog_statevars.c
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@@ -134,13 +134,19 @@ fetch_state(struct gl_context *ctx, const gl_state_index16 state[],
value[0] = ctx->Light.LightSource[ln].SpotCutoff;
return;
}
case STATE_LIGHT_ATTRIBS:
case STATE_LIGHT_ATTRIBS: {
/* This must be exact because it must match the gl_LightSource layout
* in GLSL.
*/
STATIC_ASSERT(sizeof(struct gl_light_uniforms) == 29 * 4);
STATIC_ASSERT(ARRAY_SIZE(ctx->Light.LightSourceData) == 29 * MAX_LIGHTS);
/* state[1] is the index of the first value */
/* state[2] is the number of values */
assert(state[1] + state[2] <= ARRAY_SIZE(ctx->Light.LightSourceData));
memcpy(value, &ctx->Light.LightSourceData[state[1]],
state[2] * sizeof(float));
return;
}
case STATE_LIGHTMODEL_AMBIENT:
COPY_4V(value, ctx->Light.Model.Ambient);
return;