Exemplo n.º 1
0
	//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()));
	}
Exemplo n.º 2
0
	//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);
	}