//Apply sampler state settings
void sampler_state::apply(rsx::fragment_texture& tex)
{
const f32 border_color = (f32)tex.border_color() / 255;
const f32 border_color_array[] = { border_color, border_color, border_color, border_color };
glSamplerParameteri(samplerHandle, GL_TEXTURE_WRAP_S, wrap_mode(tex.wrap_s()));
glSamplerParameteri(samplerHandle, GL_TEXTURE_WRAP_T, wrap_mode(tex.wrap_t()));
glSamplerParameteri(samplerHandle, GL_TEXTURE_WRAP_R, wrap_mode(tex.wrap_r()));
glSamplerParameterfv(samplerHandle, GL_TEXTURE_BORDER_COLOR, border_color_array);
if (tex.get_exact_mipmap_count() <= 1)
{
GLint min_filter = tex_min_filter(tex.min_filter());
if (min_filter != GL_LINEAR && min_filter != GL_NEAREST)
{
switch (min_filter)
{
case GL_NEAREST_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
min_filter = GL_NEAREST; break;
case GL_LINEAR_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_LINEAR:
min_filter = GL_LINEAR; break;
default:
LOG_ERROR(RSX, "No mipmap fallback defined for rsx_min_filter = 0x%X", (u32)tex.min_filter());
min_filter = GL_NEAREST;
}
}
glSamplerParameteri(samplerHandle, GL_TEXTURE_MIN_FILTER, min_filter);
glSamplerParameteri(samplerHandle, GL_TEXTURE_LOD_BIAS, 0.);
glSamplerParameteri(samplerHandle, GL_TEXTURE_MIN_LOD, 0);
glSamplerParameteri(samplerHandle, GL_TEXTURE_MAX_LOD, 0);
}
else
{
glSamplerParameteri(samplerHandle, GL_TEXTURE_MIN_FILTER, tex_min_filter(tex.min_filter()));
glSamplerParameteri(samplerHandle, GL_TEXTURE_LOD_BIAS, tex.bias());
glSamplerParameteri(samplerHandle, GL_TEXTURE_MIN_LOD, (tex.min_lod() >> 8));
glSamplerParameteri(samplerHandle, GL_TEXTURE_MAX_LOD, (tex.max_lod() >> 8));
}
glSamplerParameteri(samplerHandle, GL_TEXTURE_MAG_FILTER, tex_mag_filter(tex.mag_filter()));
glSamplerParameteri(samplerHandle, GL_TEXTURE_MAX_ANISOTROPY_EXT, ::gl::max_aniso(tex.max_aniso()));
}
//Apply sampler state settings
void sampler_state::apply(rsx::fragment_texture& tex)
{
const f32 border_color = (f32)tex.border_color() / 255;
const f32 border_color_array[] = { border_color, border_color, border_color, border_color };
glSamplerParameteri(samplerHandle, GL_TEXTURE_WRAP_S, wrap_mode(tex.wrap_s()));
glSamplerParameteri(samplerHandle, GL_TEXTURE_WRAP_T, wrap_mode(tex.wrap_t()));
glSamplerParameteri(samplerHandle, GL_TEXTURE_WRAP_R, wrap_mode(tex.wrap_r()));
glSamplerParameterfv(samplerHandle, GL_TEXTURE_BORDER_COLOR, border_color_array);
if (tex.get_exact_mipmap_count() <= 1)
{
GLint min_filter = tex_min_filter(tex.min_filter());
if (min_filter != GL_LINEAR && min_filter != GL_NEAREST)
{
switch (min_filter)
{
case GL_NEAREST_MIPMAP_NEAREST:
case GL_NEAREST_MIPMAP_LINEAR:
min_filter = GL_NEAREST; break;
case GL_LINEAR_MIPMAP_NEAREST:
case GL_LINEAR_MIPMAP_LINEAR:
min_filter = GL_LINEAR; break;
default:
LOG_ERROR(RSX, "No mipmap fallback defined for rsx_min_filter = 0x%X", (u32)tex.min_filter());
min_filter = GL_NEAREST;
}
}
glSamplerParameteri(samplerHandle, GL_TEXTURE_MIN_FILTER, min_filter);
glSamplerParameterf(samplerHandle, GL_TEXTURE_LOD_BIAS, 0.f);
glSamplerParameterf(samplerHandle, GL_TEXTURE_MIN_LOD, -1000.f);
glSamplerParameterf(samplerHandle, GL_TEXTURE_MAX_LOD, 1000.f);
}
else
{
glSamplerParameteri(samplerHandle, GL_TEXTURE_MIN_FILTER, tex_min_filter(tex.min_filter()));
glSamplerParameterf(samplerHandle, GL_TEXTURE_LOD_BIAS, tex.bias());
glSamplerParameteri(samplerHandle, GL_TEXTURE_MIN_LOD, (tex.min_lod() >> 8));
glSamplerParameteri(samplerHandle, GL_TEXTURE_MAX_LOD, (tex.max_lod() >> 8));
}
glSamplerParameteri(samplerHandle, GL_TEXTURE_MAG_FILTER, tex_mag_filter(tex.mag_filter()));
glSamplerParameterf(samplerHandle, GL_TEXTURE_MAX_ANISOTROPY_EXT, ::gl::max_aniso(tex.max_aniso()));
const u32 texture_format = tex.format() & ~(CELL_GCM_TEXTURE_UN | CELL_GCM_TEXTURE_LN);
if (texture_format == CELL_GCM_TEXTURE_DEPTH16 || texture_format == CELL_GCM_TEXTURE_DEPTH24_D8)
{
//NOTE: The stored texture function is reversed wrt the textureProj compare function
GLenum compare_mode = (GLenum)tex.zfunc() | GL_NEVER;
switch (compare_mode)
{
case GL_GREATER: compare_mode = GL_LESS; break;
case GL_GEQUAL: compare_mode = GL_LEQUAL; break;
case GL_LESS: compare_mode = GL_GREATER; break;
case GL_LEQUAL: compare_mode = GL_GEQUAL; break;
}
glSamplerParameteri(samplerHandle, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
glSamplerParameteri(samplerHandle, GL_TEXTURE_COMPARE_FUNC, compare_mode);
}
else
glSamplerParameteri(samplerHandle, GL_TEXTURE_COMPARE_MODE, GL_NONE);
}
