[Mesa-stable] [Mesa-dev] [PATCH] ac: fix the number of coordinates for ac_image_get_lod and arrays

[Marek Olšák]

On Mon, Apr 23, 2018 at 1:12 PM, Samuel Pitoiset <samuel.pitoiset at gmail.com>
wrote:

>
>
> On 04/23/2018 06:55 PM, Nicolai Hähnle wrote:
>
>> On 23.04.2018 17:52, Samuel Pitoiset wrote:
>>
>>> This fixes crashes for the following CTS:
>>> dEQP-VK.glsl.texture_functions.query.texturequerylod.*
>>>
>>> Fixes: 625dcbbc456 ("amd/common: pass address components individually to
>>> ac_build_image_intrinsic")
>>> Cc: 18.1 <mesa-stable at lists.freedesktop.org>
>>> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
>>> ---
>>>   src/amd/common/ac_llvm_build.c | 13 +++++++++++++
>>>   1 file changed, 13 insertions(+)
>>>
>>> diff --git a/src/amd/common/ac_llvm_build.c
>>> b/src/amd/common/ac_llvm_build.c
>>> index 02739f9da9c..d5bad3eeea3 100644
>>> --- a/src/amd/common/ac_llvm_build.c
>>> +++ b/src/amd/common/ac_llvm_build.c
>>> @@ -1521,6 +1521,19 @@ LLVMValueRef ac_build_image_opcode(struct
>>> ac_llvm_context *ctx,
>>>       LLVMValueRef addr;
>>>       unsigned num_addr = 0;
>>> +    if (a->opcode == ac_image_get_lod) {
>>> +        switch (a->dim) {
>>> +        case ac_image_1darray:
>>> +            num_coords = 1;
>>> +            break;
>>> +        case ac_image_2darray:
>>> +            num_coords = 2;
>>>
>>
>> This is probably also needed for cube maps, isn't it?
>>
>
> cubes should have 3 coordinates for textureQueryLod(), no?
>

Cubemaps are the same as 2D arrays.

Marek
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