bool SupportedCombinationTest::tryCombination (const FormatCombination& comb)
{
glu::Framebuffer fbo(m_ctx.getRenderContext());
FboBuilder builder(*fbo, GL_FRAMEBUFFER, fboc::gl(*this));
attachTargetToNew(GL_COLOR_ATTACHMENT0, comb.colorKind, comb.colorFmt,
64, 64, builder);
attachTargetToNew(GL_DEPTH_ATTACHMENT, comb.depthKind, comb.depthFmt,
64, 64, builder);
attachTargetToNew(GL_STENCIL_ATTACHMENT, comb.stencilKind, comb.stencilFmt,
64, 64, builder);
const GLenum glStatus = fboc::gl(*this).checkFramebufferStatus(GL_FRAMEBUFFER);
return (glStatus == GL_FRAMEBUFFER_COMPLETE);
}
IterateResult NumSamplesTest::build (FboBuilder& builder)
{
static const GLenum s_targets[] =
{
GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_DEPTH_ATTACHMENT,
};
// Non-integer formats for each attachment type.
// \todo [2013-12-17 lauri] Add fixed/floating/integer metadata for formats so
// we can pick one smartly or maybe try several.
static const GLenum s_formats[] =
{
GL_RGBA8, GL_RGB565, GL_DEPTH_COMPONENT24,
};
DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(s_targets) == DE_LENGTH_OF_ARRAY(m_params.numSamples));
for (int i = 0; i < DE_LENGTH_OF_ARRAY(s_targets); i++)
{
const GLenum target = s_targets[i];
const ImageFormat fmt = { s_formats[i], GL_NONE };
const GLsizei ns = m_params.numSamples[i];
if (ns == -2)
continue;
if (ns == -1)
{
attachTargetToNew(target, GL_TEXTURE, fmt, 64, 64, builder);
}
else
{
Renderbuffer& rboCfg = builder.makeConfig<Renderbuffer>();
rboCfg.internalFormat = fmt;
rboCfg.width = rboCfg.height = 64;
rboCfg.numSamples = ns;
const GLuint rbo = builder.glCreateRbo(rboCfg);
// Implementations do not necessarily support sample sizes greater than 1.
TCU_CHECK_AND_THROW(NotSupportedError,
builder.getError() != GL_INVALID_OPERATION,
"Unsupported number of samples");
RenderbufferAttachment& att = builder.makeConfig<RenderbufferAttachment>();
att.imageName = rbo;
builder.glAttach(target, &att);
}
}
return STOP;
}
