//
// Note that this also contains the tests for some of the simpler effects.
-#include <GL/glew.h>
+#include <locale>
+#include <sstream>
+#include <string>
+
+#include <epoxy/gl.h>
#include <assert.h>
#include "effect.h"
using namespace std;
+namespace movit {
+
TEST(EffectChainTest, EmptyChain) {
float data[] = {
0.0f, 0.25f, 0.3f,
TEST(EffectChainTest, RewritingWorksAndTexturesAreAskedForsRGB) {
unsigned char data[] = {
- 0, 64,
- 128, 255,
+ 0, 0, 0, 255,
+ 64, 64, 64, 255,
+ 128, 128, 128, 255,
+ 255, 255, 255, 255,
};
- float expected_data[4] = {
- 1.0f, 0.9771f,
- 0.8983f, 0.0f,
+ float expected_data[] = {
+ 1.0000f, 1.0000f, 1.0000f, 1.0000f,
+ 0.9771f, 0.9771f, 0.9771f, 1.0000f,
+ 0.8983f, 0.8983f, 0.8983f, 1.0000f,
+ 0.0000f, 0.0000f, 0.0000f, 1.0000f
};
- float out_data[4];
- EffectChainTester tester(NULL, 2, 2);
- tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB);
+ float out_data[4 * 4];
+ EffectChainTester tester(NULL, 1, 4);
+ tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB);
RewritingEffect<InvertEffect> *effect = new RewritingEffect<InvertEffect>();
tester.get_chain()->add_effect(effect);
- tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB);
+ tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);
Node *node = effect->replaced_node;
ASSERT_EQ(1, node->incoming_links.size());
EXPECT_EQ("FlatInput", node->incoming_links[0]->effect->effect_type_id());
EXPECT_EQ("GammaCompressionEffect", node->outgoing_links[0]->effect->effect_type_id());
- expect_equal(expected_data, out_data, 2, 2);
+ expect_equal(expected_data, out_data, 4, 4);
}
TEST(EffectChainTest, RewritingWorksAndColorspaceConversionsAreInserted) {
GammaCurve overridden_gamma_curve;
};
-TEST(EffectChainTester, HandlesInputChangingColorspace) {
+TEST(EffectChainTest, HandlesInputChangingColorspace) {
const int size = 4;
float data[size] = {
public:
MipmapNeedingEffect() {}
virtual bool needs_mipmaps() const { return true; }
+
+ // To be allowed to mess with the sampler state.
+ virtual bool needs_texture_bounce() const { return true; }
+
virtual string effect_type_id() const { return "MipmapNeedingEffect"; }
string output_fragment_shader() { return read_file("mipmap_needing_effect.frag"); }
+ virtual void inform_added(EffectChain *chain) { this->chain = chain; }
+
void set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num)
{
- glActiveTexture(GL_TEXTURE0);
+ Node *self = chain->find_node_for_effect(this);
+ glActiveTexture(chain->get_input_sampler(self, 0));
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
check_error();
}
+
+private:
+ EffectChain *chain;
};
TEST(EffectChainTest, MipmapGenerationWorks) {
expect_equal(data, out_data, size, size);
}
-extern bool movit_initialized;
-
// Does not use EffectChainTest, so that it can construct an EffectChain without
// a shared ResourcePool (which is also properly destroyed afterwards).
// Also turns on debugging to test that code path.
0.75f, 1.0f, 1.0f,
0.0f, 0.25f, 0.3f,
};
- float out_data[6];
+ float out_data[6], temp[6 * 4];
EffectChain chain(width, height);
- movit_initialized = false;
- init_movit(".", MOVIT_DEBUG_ON);
+ movit_debug_level = MOVIT_DEBUG_ON;
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
check_error();
glBindTexture(GL_TEXTURE_2D, texnum);
check_error();
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, height, 0, GL_RGBA, GL_FLOAT, NULL);
check_error();
glGenFramebuffers(1, &fbo);
chain.render_to_fbo(fbo, width, height);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
- glReadPixels(0, 0, width, height, GL_RED, GL_FLOAT, out_data);
+ check_error();
+ glReadPixels(0, 0, width, height, GL_RGBA, GL_FLOAT, temp);
+ check_error();
+ for (unsigned i = 0; i < 6; ++i) {
+ out_data[i] = temp[i * 4];
+ }
expect_equal(expected_data, out_data, width, height);
// Reset the debug status again.
- movit_initialized = false;
- init_movit(".", MOVIT_DEBUG_OFF);
+ movit_debug_level = MOVIT_DEBUG_OFF;
}
+
+// A dummy effect whose only purpose is to test sprintf decimal behavior.
+class PrintfingBlueEffect : public Effect {
+public:
+ PrintfingBlueEffect() {}
+ virtual string effect_type_id() const { return "PrintfingBlueEffect"; }
+ string output_fragment_shader() {
+ stringstream ss;
+ ss.imbue(locale("C"));
+ ss.precision(8);
+ ss << "vec4 FUNCNAME(vec2 tc) { return vec4("
+ << 0.0f << ", " << 0.0f << ", "
+ << 0.5f << ", " << 1.0f << "); }\n";
+ return ss.str();
+ }
+};
+
+TEST(EffectChainTest, StringStreamLocalesWork) {
+ // An example of a locale with comma instead of period as decimal separator.
+ // Obviously, if you run on a machine without this locale available,
+ // the test will always succeed. Note that the OpenGL driver might call
+ // setlocale() behind-the-scenes, and that might corrupt the returned
+ // pointer, so we need to take our own copy of it here.
+ char *saved_locale = strdup(setlocale(LC_ALL, "nb_NO.UTF_8"));
+ float data[] = {
+ 0.0f, 0.0f, 0.0f, 0.0f,
+ };
+ float expected_data[] = {
+ 0.0f, 0.0f, 0.5f, 1.0f,
+ };
+ float out_data[4];
+ EffectChainTester tester(data, 1, 1, FORMAT_RGBA_PREMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ tester.get_chain()->add_effect(new PrintfingBlueEffect());
+ tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ expect_equal(expected_data, out_data, 4, 1);
+
+ setlocale(LC_ALL, saved_locale);
+ free(saved_locale);
+}
+
+
+} // namespace movit
projects / movit / blobdiff