+void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, out_data2, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, out_data2, out_data3, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, float *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, unsigned char *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<uint32_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_INT_2_10_10_10_REV, format, color_space, gamma_curve, alpha_format);
+}
+
+#ifdef HAVE_BENCHMARK
+
+void EffectChainTester::benchmark(benchmark::State &state, float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, nullptr, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, out_data2, nullptr, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, out_data2, out_data3, nullptr, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, float *out_data, float *out_data2, float *out_data3, float *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run(out_data, out_data2, out_data3, out_data4, GL_FLOAT, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, out_data2, nullptr, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, out_data2, out_data3, nullptr, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, unsigned char *out_data4, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run(out_data, out_data2, out_data3, out_data4, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark(benchmark::State &state, uint16_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<uint16_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_SHORT, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+void EffectChainTester::benchmark_10_10_10_2(benchmark::State &state, uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<uint32_t>(out_data, nullptr, nullptr, nullptr, GL_UNSIGNED_INT_2_10_10_10_REV, format, color_space, gamma_curve, alpha_format, &state);
+}
+
+#endif
+
+template<class T>
+void EffectChainTester::internal_run(T *out_data, T *out_data2, T *out_data3, T *out_data4, GLenum internal_format, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format
+#ifdef HAVE_BENCHMARK
+, benchmark::State *benchmark_state
+#endif
+)
+{
+ if (!finalized) {
+ finalize_chain(color_space, gamma_curve, alpha_format);
+ }
+
+ GLuint type;
+ if (framebuffer_format == GL_RGBA8) {
+ type = GL_UNSIGNED_BYTE;
+ } else if (framebuffer_format == GL_RGBA16) {
+ type = GL_UNSIGNED_SHORT;
+ } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) {
+ type = GL_FLOAT;
+ } else if (framebuffer_format == GL_RGB10_A2) {
+ type = GL_UNSIGNED_INT_2_10_10_10_REV;
+ } else {
+ // Add more here as needed.
+ assert(false);
+ }
+
+ unsigned num_outputs;
+ if (out_data4 != nullptr) {
+ num_outputs = 4;
+ } else if (out_data3 != nullptr) {
+ num_outputs = 3;
+ } else if (out_data2 != nullptr) {
+ num_outputs = 2;
+ } else {
+ num_outputs = 1;
+ }
+
+ glActiveTexture(GL_TEXTURE0);
+ check_error();
+
+ vector<EffectChain::DestinationTexture> textures;
+ for (unsigned i = 0; i < num_outputs; ++i) {
+ GLuint texnum = chain.get_resource_pool()->create_2d_texture(framebuffer_format, width, height);
+ textures.push_back(EffectChain::DestinationTexture{texnum, framebuffer_format});
+
+ // The output texture needs to have valid state to be written to by a compute shader.
+ glBindTexture(GL_TEXTURE_2D, texnum);
+ check_error();
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ check_error();
+ }
+
+ chain.render_to_texture(textures, width, height);
+
+#ifdef HAVE_BENCHMARK
+ // If running benchmarks: Now we've warmed up everything, so let's run the
+ // actual benchmark loop.
+ if (benchmark_state != nullptr) {
+ glFinish();
+ size_t iters = benchmark_state->max_iterations;
+ for (auto _ : *benchmark_state) {
+ chain.render_to_texture(textures, width, height);
+ if (--iters == 0) {
+ glFinish();
+ }