#ifndef _MOVIT_FLAT_INPUT_H
#define _MOVIT_FLAT_INPUT_H 1
-#include <GL/glew.h>
+#include <epoxy/gl.h>
#include <assert.h>
#include <string>
#include "effect.h"
+#include "effect_chain.h"
#include "image_format.h"
#include "init.h"
#include "input.h"
+namespace movit {
+
+class ResourcePool;
+
// A FlatInput is the normal, “classic” case of an input, where everything
// comes from a single 2D array with chunky pixels.
class FlatInput : public Input {
virtual std::string effect_type_id() const { return "FlatInput"; }
- // Create the texture itself. We cannot do this in the constructor,
- // because we don't necessarily know all the settings (sRGB texture,
- // mipmap generation) at that point.
- void finalize();
-
virtual bool can_output_linear_gamma() const {
return (movit_srgb_textures_supported &&
type == GL_UNSIGNED_BYTE &&
// this data, you must either call set_pixel_data() again (using the same pointer
// is fine), or invalidate_pixel_data(). Otherwise, the texture won't be re-uploaded
// on subsequent frames.
- void set_pixel_data(const unsigned char *pixel_data)
+ //
+ // The data can either be a regular pointer (if pbo==0), or a byte offset
+ // into a PBO. The latter will allow you to start uploading the texture data
+ // asynchronously to the GPU, if you have any CPU-intensive work between the
+ // call to set_pixel_data() and the actual rendering. In either case,
+ // the pointer (and PBO, if set) has to be valid at the time of the render call.
+ void set_pixel_data(const unsigned char *pixel_data, GLuint pbo = 0)
{
assert(this->type == GL_UNSIGNED_BYTE);
this->pixel_data = pixel_data;
+ this->pbo = pbo;
invalidate_pixel_data();
}
- void set_pixel_data(const float *pixel_data)
+ void set_pixel_data(const float *pixel_data, GLuint pbo = 0)
{
assert(this->type == GL_FLOAT);
this->pixel_data = pixel_data;
+ this->pbo = pbo;
invalidate_pixel_data();
}
- void invalidate_pixel_data()
- {
- needs_update = true;
- }
+ void invalidate_pixel_data();
void set_pitch(unsigned pitch) {
- assert(!finalized);
this->pitch = pitch;
+ invalidate_pixel_data();
+ }
+
+ virtual void inform_added(EffectChain *chain)
+ {
+ resource_pool = chain->get_resource_pool();
}
private:
ImageFormat image_format;
MovitPixelFormat pixel_format;
- GLenum format, type;
+ GLenum type;
GLuint pbo, texture_num;
- bool needs_update, finalized;
int output_linear_gamma, needs_mipmaps;
- unsigned width, height, pitch, bytes_per_pixel;
+ unsigned width, height, pitch;
const void *pixel_data;
+ ResourcePool *resource_pool;
};
+} // namespace movit
+
#endif // !defined(_MOVIT_FLAT_INPUT_H)