From 8a11e702525e3df9d5602045bf905f314cd7abbd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= Date: Wed, 21 Aug 2019 14:47:41 +0200 Subject: GPU: Fix Element index range calculation Fix T68880 2D line display is broken --- source/blender/gpu/intern/gpu_element.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'source/blender') diff --git a/source/blender/gpu/intern/gpu_element.c b/source/blender/gpu/intern/gpu_element.c index 6c9331b4903..3f3f246d6d9 100644 --- a/source/blender/gpu/intern/gpu_element.c +++ b/source/blender/gpu/intern/gpu_element.c @@ -267,9 +267,9 @@ static uint index_range(const uint values[], uint value_len, uint *min_out, uint *max_out = 0; return 0; } - uint min_value = values[0]; - uint max_value = values[0]; - for (uint i = 1; i < value_len; ++i) { + uint min_value = RESTART_INDEX; + uint max_value = 0; + for (uint i = 0; i < value_len; ++i) { const uint value = values[i]; if (value == RESTART_INDEX) { continue; @@ -281,9 +281,16 @@ static uint index_range(const uint values[], uint value_len, uint *min_out, uint max_value = value; } } - *min_out = min_value; - *max_out = max_value; - return max_value - min_value; + if (min_value == RESTART_INDEX) { + *min_out = 0; + *max_out = 0; + return 0; + } + else { + *min_out = min_value; + *max_out = max_value; + return max_value - min_value; + } } static void squeeze_indices_short(GPUIndexBufBuilder *builder, -- cgit v1.2.3