#define GL_GLEXT_PROTOTYPES 1
-#include <stdio.h>
+#include <GL/glew.h>
+#include <assert.h>
+#include <locale.h>
#include <math.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include <locale.h>
-#include <assert.h>
-#include <GL/glew.h>
-
#include <algorithm>
#include <set>
#include <stack>
#include <vector>
-#include "util.h"
-#include "effect_chain.h"
-#include "gamma_expansion_effect.h"
-#include "gamma_compression_effect.h"
-#include "colorspace_conversion_effect.h"
-#include "alpha_multiplication_effect.h"
#include "alpha_division_effect.h"
+#include "alpha_multiplication_effect.h"
+#include "colorspace_conversion_effect.h"
#include "dither_effect.h"
-#include "input.h"
+#include "effect.h"
+#include "effect_chain.h"
+#include "gamma_compression_effect.h"
+#include "gamma_expansion_effect.h"
#include "init.h"
+#include "input.h"
+#include "util.h"
EffectChain::EffectChain(float aspect_nom, float aspect_denom)
: aspect_nom(aspect_nom),
aspect_denom(aspect_denom),
dither_effect(NULL),
- fbo(0),
num_dither_bits(0),
finalized(false) {}
glDeleteShader(phases[i]->fragment_shader);
delete phases[i];
}
- if (fbo != 0) {
- glDeleteFramebuffers(1, &fbo);
- }
}
Input *EffectChain::add_input(Input *input)
{
+ assert(!finalized);
inputs.push_back(input);
add_node(input);
return input;
void EffectChain::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format)
{
+ assert(!finalized);
output_format = format;
output_alpha_format = alpha_format;
}
Effect *EffectChain::add_effect(Effect *effect, const std::vector<Effect *> &inputs)
{
+ assert(!finalized);
assert(inputs.size() == effect->num_inputs());
Node *node = add_node(effect);
for (unsigned i = 0; i < inputs.size(); ++i) {
// since otherwise this turns into an (albeit simple)
// register allocation problem.
if (phases.size() > 1) {
- glGenFramebuffers(1, &fbo);
-
for (unsigned i = 0; i < phases.size() - 1; ++i) {
inform_input_sizes(phases[i]);
find_output_size(phases[i]);
// Save original viewport.
GLuint x = 0, y = 0;
+ GLuint fbo = 0;
if (width == 0 && height == 0) {
GLint viewport[4];
glLoadIdentity();
if (phases.size() > 1) {
+ glGenFramebuffers(1, &fbo);
+ check_error();
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
check_error();
}
// Last phase goes to the output the user specified.
glBindFramebuffer(GL_FRAMEBUFFER, dest_fbo);
check_error();
+ GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+ assert(status == GL_FRAMEBUFFER_COMPLETE);
glViewport(x, y, width, height);
if (dither_effect != NULL) {
CHECK(dither_effect->set_int("output_width", width));
output_node->output_texture,
0);
check_error();
+ GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+ assert(status == GL_FRAMEBUFFER_COMPLETE);
glViewport(0, 0, phases[phase]->output_width, phases[phase]->output_height);
}
node->effect->clear_gl_state();
}
}
+
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+ check_error();
+
+ if (fbo != 0) {
+ glDeleteFramebuffers(1, &fbo);
+ check_error();
+ }
}