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GL: Use MAX_DRAW_BUFFERS instead of MAX_COLOR_ATTACHMENTS.

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This commit is contained in:
Branimir Karadžić 2015-08-09 07:53:48 -07:00
parent f1b54919ec
commit 06a076fa2a
2 changed files with 9 additions and 1 deletions
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6
src/renderer_gl.cpp
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@ -1199,6 +1199,8 @@ namespace bgfx { namespace gl
GL_GET(GL_MAX_TEXTURE_SIZE, 64);
GL_GET(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, 0);
GL_GET(GL_MAX_RENDERBUFFER_SIZE, 1);
GL_GET(GL_MAX_COLOR_ATTACHMENTS, 1);
GL_GET(GL_MAX_DRAW_BUFFERS, 1);
#undef GL_GET
BX_TRACE(" Vendor: %s", m_vendor);
@ -1577,7 +1579,9 @@ namespace bgfx { namespace gl
|| s_extension[Extension::EXT_draw_buffers ].m_supported
|| s_extension[Extension::WEBGL_draw_buffers].m_supported)
{
g_caps.maxFBAttachments = uint8_t(bx::uint32_min(glGet(GL_MAX_COLOR_ATTACHMENTS), BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS) );
g_caps.maxFBAttachments = uint8_t(bx::uint32_min(glGet(GL_MAX_DRAW_BUFFERS)
, BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS)
);
}
m_vaoSupport = !!(BGFX_CONFIG_RENDERER_OPENGLES >= 30)

4
src/renderer_gl.h
View file

@ -385,6 +385,10 @@ typedef uint64_t GLuint64;
# define GL_MAX_COLOR_ATTACHMENTS 0x8CDF
#endif // GL_MAX_COLOR_ATTACHMENTS
#ifndef GL_MAX_DRAW_BUFFERS
# define GL_MAX_DRAW_BUFFERS 0x8824
#endif // GL_MAX_DRAW_BUFFERS
#ifndef GL_QUERY_RESULT
# define GL_QUERY_RESULT 0x8866
#endif // GL_QUERY_RESULT