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42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
// Copyright 2020, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Common OpenGL code.
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @ingroup aux_ogl
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*/
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#include "ogl_helpers.h"
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#include "ogl_api.h"
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void
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ogl_texture_target_for_swapchain_info(const struct xrt_swapchain_create_info *info,
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uint32_t *out_tex_target,
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uint32_t *out_tex_param_name)
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{
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// see reference:
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// https://android.googlesource.com/platform/cts/+/master/tests/tests/nativehardware/jni/AHardwareBufferGLTest.cpp#1261
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if (info->face_count == 6) {
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if (info->array_size > 1) {
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*out_tex_target = GL_TEXTURE_CUBE_MAP_ARRAY;
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*out_tex_param_name = GL_TEXTURE_BINDING_CUBE_MAP_ARRAY;
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return;
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}
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*out_tex_target = GL_TEXTURE_CUBE_MAP;
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*out_tex_param_name = GL_TEXTURE_BINDING_CUBE_MAP;
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return;
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}
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// Note: on Android, some sources say always use
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// GL_TEXTURE_EXTERNAL_OES, but AHardwareBufferGLTest only uses it for
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// YUV buffers.
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//! @todo test GL_TEXTURE_EXTERNAL_OES on Android
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if (info->array_size > 1) {
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*out_tex_target = GL_TEXTURE_2D_ARRAY;
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*out_tex_param_name = GL_TEXTURE_BINDING_2D_ARRAY;
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return;
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}
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*out_tex_target = GL_TEXTURE_2D;
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*out_tex_param_name = GL_TEXTURE_BINDING_2D;
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}
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