diff options
| -rw-r--r-- | src/mesa/main/renderbuffer.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c index 0bc7f2b9654..cc97ab22bed 100644 --- a/src/mesa/main/renderbuffer.c +++ b/src/mesa/main/renderbuffer.c @@ -53,7 +53,24 @@ _mesa_init_renderbuffer(struct gl_renderbuffer *rb, GLuint name) rb->Width = 0; rb->Height = 0; rb->Depth = 0; - rb->InternalFormat = GL_RGBA; + + /* In GL 3, the initial format is GL_RGBA according to Table 6.26 + * on page 302 of the GL 3.3 spec. + * + * In GLES 3, the initial format is GL_RGBA4 according to Table 6.15 + * on page 258 of the GLES 3.0.4 spec. + * + * If the context is current, set the initial format based on the + * specs. If the context is not current, we cannot determine the + * API, so default to GL_RGBA. + */ + GET_CURRENT_CONTEXT(ctx); + if (ctx && _mesa_is_gles3(ctx)) { + rb->InternalFormat = GL_RGBA4; + } else { + rb->InternalFormat = GL_RGBA; + } + rb->Format = MESA_FORMAT_NONE; } |