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Fixed bug caused by mixing GLES and GL texture extensions.

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This commit is contained in:
bkaradzic 2013-01-23 23:42:38 -08:00
parent a0bc7e3711
commit 3a7090684a
2 changed files with 21 additions and 3 deletions
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2
src/bgfx_p.h
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@ -18,7 +18,7 @@ extern void dbgPrintf(const char* _format, ...);
extern void dbgPrintfData(const void* _data, uint32_t _size, const char* _format, ...);
#ifndef BGFX_CONFIG_DEBUG
# define BGFX_CONFIG_DEBUG 0
# define BGFX_CONFIG_DEBUG 1
#endif // BGFX_CONFIG_DEBUG
#if BGFX_CONFIG_DEBUG

22
src/renderer_gl.cpp
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@ -18,6 +18,7 @@ namespace bgfx
{
EXT_texture_filter_anisotropic,
EXT_texture_format_BGRA8888,
EXT_bgra,
EXT_texture_compression_s3tc,
EXT_texture_compression_dxt1,
CHROMIUM_texture_compression_dxt3,
@ -68,6 +69,7 @@ namespace bgfx
{
{ "GL_EXT_texture_filter_anisotropic", false, true },
{ "GL_EXT_texture_format_BGRA8888", false, true },
{ "GL_EXT_bgra", false, true },
{ "GL_EXT_texture_compression_s3tc", false, true },
{ "GL_EXT_texture_compression_dxt1", false, true },
{ "GL_CHROMIUM_texture_compression_dxt3", false, true },
@ -1819,7 +1821,8 @@ namespace bgfx
s_textureFormat[TextureFormat::BC3].m_supported = bc123Supported || s_extension[Extension::CHROMIUM_texture_compression_dxt5].m_supported;
bool bc45Supported = s_extension[Extension::EXT_texture_compression_latc].m_supported
|| s_extension[Extension::EXT_texture_compression_rgtc].m_supported;
|| s_extension[Extension::EXT_texture_compression_rgtc].m_supported
;
s_textureFormat[TextureFormat::BC4].m_supported = bc45Supported;
s_textureFormat[TextureFormat::BC5].m_supported = bc45Supported;
@ -1843,10 +1846,25 @@ namespace bgfx
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &s_renderCtx.m_maxAnisotropy);
}
if (s_extension[Extension::EXT_texture_format_BGRA8888].m_supported)
if (s_extension[Extension::EXT_texture_format_BGRA8888].m_supported
|| s_extension[Extension::EXT_bgra].m_supported)
{
s_textureFormat[TextureFormat::BGRX8].m_fmt = GL_BGRA_EXT;
s_textureFormat[TextureFormat::BGRA8].m_fmt = GL_BGRA_EXT;
// Mixing GLES and GL extensions here. OpenGL EXT_bgra wants
// format to be BGRA but internal format to stay RGBA, but
// EXT_texture_format_BGRA8888 wants both format and internal
// format to be BGRA.
//
// Reference:
// https://www.khronos.org/registry/gles/extensions/EXT/EXT_texture_format_BGRA8888.txt
// https://www.opengl.org/registry/specs/EXT/bgra.txt
if (!s_extension[Extension::EXT_bgra].m_supported)
{
s_textureFormat[TextureFormat::BGRX8].m_internalFmt = GL_BGRA_EXT;
s_textureFormat[TextureFormat::BGRA8].m_internalFmt = GL_BGRA_EXT;
}
}
#if !BGFX_CONFIG_RENDERER_OPENGLES3