diff options
Diffstat (limited to 'src/mesa/main/formatquery.c')
| -rw-r--r-- | src/mesa/main/formatquery.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c index 1846fbc688c..303e7b2f8cb 100644 --- a/src/mesa/main/formatquery.c +++ b/src/mesa/main/formatquery.c @@ -558,15 +558,29 @@ _is_internalformat_supported(struct gl_context *ctx, GLenum target, * implementation accepts it for any texture specification commands, and * - unsized or base internal format, if the implementation accepts * it for texture or image specification. + * + * But also: + * "If the particualar <target> and <internalformat> combination do not make + * sense, or if a particular type of <target> is not supported by the + * implementation the "unsupported" answer should be given. This is not an + * error. */ GLint buffer[1]; - /* At this point an internalformat is valid if it is valid as a texture or - * as a renderbuffer format. The checks are different because those methods - * return different values when passing non supported internalformats */ - if (_mesa_base_tex_format(ctx, internalformat) < 0 && - _mesa_base_fbo_format(ctx, internalformat) == 0) - return false; + if (target == GL_RENDERBUFFER) { + if (_mesa_base_fbo_format(ctx, internalformat) == 0) { + return false; + } + } else if (target == GL_TEXTURE_BUFFER) { + if (_mesa_validate_texbuffer_format(ctx, internalformat) == + MESA_FORMAT_NONE) { + return false; + } + } else { + if (_mesa_base_tex_format(ctx, internalformat) < 0) { + return false; + } + } /* Let the driver have the final word */ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, @@ -969,10 +983,7 @@ _mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname, * and glGetRenderbufferParameteriv functions. */ if (pname == GL_INTERNALFORMAT_SHARED_SIZE) { - if (_mesa_has_EXT_texture_shared_exponent(ctx) && - target != GL_TEXTURE_BUFFER && - target != GL_RENDERBUFFER && - texformat == MESA_FORMAT_R9G9B9E5_FLOAT) { + if (texformat == MESA_FORMAT_R9G9B9E5_FLOAT) { buffer[0] = 5; } goto end; |