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GL: Added support for external texture. (#3839)

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This commit is contained in:
Branimir Karadžić
2026-07-17 20:44:37 +00:00
committed by GitHub
parent 3b47ef2560
commit ef73539985
2 changed files with 25 additions and 6 deletions
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src/renderer_gl.cpp
+23 -4
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@@ -2951,6 +2951,8 @@ namespace bgfx { namespace gl
: 0
;
g_caps.supported |= BGFX_CAPS_TEXTURE_EXTERNAL;
g_caps.supported |= false
|| s_extension[Extension::EXT_texture_array].m_supported
|| s_extension[Extension::EXT_gpu_shader4].m_supported
@@ -3452,8 +3454,7 @@ namespace bgfx { namespace gl
void* createTexture(TextureHandle _handle, const Memory* _mem, uint64_t _flags, uint8_t _skip, uint64_t _external) override
{
BX_UNUSED(_external);
m_textures[_handle.idx].create(_mem, _flags, _skip);
m_textures[_handle.idx].create(_mem, _flags, _skip, _external);
return NULL;
}
@@ -5688,7 +5689,7 @@ namespace bgfx { namespace gl
GL_CHECK(glDeleteBuffers(1, &m_id) );
}
bool TextureGL::init(GLenum _target, uint32_t _width, uint32_t _height, uint32_t _depth, uint8_t _numMips, uint64_t _flags)
bool TextureGL::init(GLenum _target, uint32_t _width, uint32_t _height, uint32_t _depth, uint8_t _numMips, uint64_t _flags, uint64_t _external)
{
m_target = _target;
m_numMips = _numMips;
@@ -5707,6 +5708,18 @@ namespace bgfx { namespace gl
|| _target == GL_TEXTURE_CUBE_MAP_ARRAY
;
if (0 != _external)
{
m_id = (GLuint)_external;
m_flags |= BGFX_SAMPLER_INTERNAL_SHARED;
const TextureFormatInfo& tfi = s_textureFormat[m_textureFormat];
m_fmt = srgb ? tfi.m_fmtSrgb : tfi.m_fmt;
m_type = tfi.m_type;
return true;
}
if (!writeOnly
|| (renderTarget && textureArray) )
{
@@ -5876,7 +5889,7 @@ namespace bgfx { namespace gl
}
}
void TextureGL::create(const Memory* _mem, uint64_t _flags, uint8_t _skip)
void TextureGL::create(const Memory* _mem, uint64_t _flags, uint8_t _skip, uint64_t _external)
{
bimg::ImageContainer imageContainer;
@@ -5934,6 +5947,7 @@ namespace bgfx { namespace gl
, textureArray ? ti.numLayers : ti.depth
, ti.numMips
, _flags
, _external
) )
{
return;
@@ -5941,6 +5955,11 @@ namespace bgfx { namespace gl
m_numLayers = ti.numLayers;
if (0 != _external)
{
return;
}
target = isCubeMap()
? GL_TEXTURE_CUBE_MAP_POSITIVE_X
: m_target