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GL: Check if extension exist before setting border color.

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This commit is contained in:
Branimir Karadžić 2015-09-12 09:25:37 -07:00
parent 93c6020372
commit 6abfcffb2e
1 changed files with 15 additions and 4 deletions
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11
src/renderer_gl.cpp
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@ -1194,6 +1194,7 @@ namespace bgfx { namespace gl
, m_vaoSupport(false)
, m_samplerObjectSupport(false)
, m_shadowSamplersSupport(false)
, m_borderColorSupport(BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
, m_programBinarySupport(false)
, m_textureSwizzleSupport(false)
, m_depthTextureSupport(false)
@ -1782,6 +1783,7 @@ namespace bgfx { namespace gl
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES) )
{
m_borderColorSupport = s_extension[Extension::NV_texture_border_clamp].m_supported;
s_textureAddress[BGFX_TEXTURE_U_BORDER>>BGFX_TEXTURE_U_SHIFT] = s_extension[Extension::NV_texture_border_clamp].m_supported
? GL_CLAMP_TO_BORDER
: GL_CLAMP_TO_EDGE
@ -2552,8 +2554,12 @@ namespace bgfx { namespace gl
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, magFilter) );
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, minFilter) );
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|| m_borderColorSupport)
{
const float color[] = { 0.0f, 0.0f, 0.0f, 0.0f };
GL_CHECK(glSamplerParameterfv(sampler, GL_TEXTURE_BORDER_COLOR, color) );
}
if (0 != (_flags & (BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC) )
&& 0.0f < m_maxAnisotropy)
@ -3047,6 +3053,7 @@ namespace bgfx { namespace gl
bool m_vaoSupport;
bool m_samplerObjectSupport;
bool m_shadowSamplersSupport;
bool m_borderColorSupport;
bool m_programBinarySupport;
bool m_textureSwizzleSupport;
bool m_depthTextureSupport;
@ -4200,8 +4207,12 @@ namespace bgfx { namespace gl
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MAG_FILTER, magFilter) );
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilter) );
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL)
|| s_renderGL->m_borderColorSupport)
{
const float color[] = { 0.0f, 0.0f, 0.0f, 0.0f };
GL_CHECK(glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, color) );
}
if (0 != (flags & (BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC) )
&& 0.0f < s_renderGL->m_maxAnisotropy)