swrast: Fix a warning from gcc 11
gcc 11 dixit: In function ‘sample_2d_ewa’, inlined from ‘sample_lambda_2d_aniso’ at ../src/mesa/swrast/s_texfilter.c:1995:10: ../src/mesa/swrast/s_texfilter.c:1729:13: warning: ‘sample_2d_nearest’ reading 16 bytes from a region of size 8 [-Wstringop-overread] 1729 | sample_2d_nearest(ctx, samp, img, newCoord, rgba); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../src/mesa/swrast/s_texfilter.c: In function ‘sample_lambda_2d_aniso’: ../src/mesa/swrast/s_texfilter.c:1729:13: note: referencing argument 4 of type ‘const GLfloat *’ {aka ‘const float *’} Indeed, newCoord is GLfloat[2] but the argument is typed GLfloat[4], even though only the first two (s and t) are ever read. Fix the array size in the function signature to reflect the maximum element actually addressed. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11273>
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@ -1116,7 +1116,7 @@ static void
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sample_2d_nearest(struct gl_context *ctx,
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const struct gl_sampler_object *samp,
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const struct gl_texture_image *img,
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const GLfloat texcoord[4],
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const GLfloat texcoord[2],
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GLfloat rgba[])
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{
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const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
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