-#ifndef _FLAT_INPUT_H
-#define _FLAT_INPUT_H 1
+#ifndef _MOVIT_FLAT_INPUT_H
+#define _MOVIT_FLAT_INPUT_H 1
+#include <epoxy/gl.h>
+#include <assert.h>
+#include <string>
+
+#include "effect.h"
+#include "effect_chain.h"
+#include "fp16.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 {
public:
- FlatInput(ImageFormat format, MovitPixelFormat pixel_format, unsigned width, unsigned height);
+ FlatInput(ImageFormat format, MovitPixelFormat pixel_format, GLenum type, unsigned width, unsigned height);
+ ~FlatInput();
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();
-
- // TODO: Check that we actually have the required extension.
virtual bool can_output_linear_gamma() const {
- return (image_format.gamma_curve == GAMMA_LINEAR ||
- image_format.gamma_curve == GAMMA_sRGB);
+ return (movit_srgb_textures_supported &&
+ type == GL_UNSIGNED_BYTE &&
+ (image_format.gamma_curve == GAMMA_LINEAR ||
+ image_format.gamma_curve == GAMMA_sRGB));
+ }
+ virtual AlphaHandling alpha_handling() const {
+ switch (pixel_format) {
+ case FORMAT_RGBA_PREMULTIPLIED_ALPHA:
+ case FORMAT_BGRA_PREMULTIPLIED_ALPHA:
+ return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA;
+ case FORMAT_RGBA_POSTMULTIPLIED_ALPHA:
+ case FORMAT_BGRA_POSTMULTIPLIED_ALPHA:
+ return OUTPUT_POSTMULTIPLIED_ALPHA;
+ case FORMAT_RG:
+ case FORMAT_RGB:
+ case FORMAT_BGR:
+ case FORMAT_GRAYSCALE:
+ return OUTPUT_BLANK_ALPHA;
+ default:
+ assert(false);
+ }
}
std::string output_fragment_shader();
unsigned get_width() const { return width; }
unsigned get_height() const { return height; }
- ColorSpace get_color_space() const { return image_format.color_space; }
+ Colorspace get_color_space() const { return image_format.color_space; }
GammaCurve get_gamma_curve() const { return image_format.gamma_curve; }
+ virtual bool is_single_texture() const { return true; }
// Tells the input where to fetch the actual pixel data. Note that if you change
// 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 unsigned short *pixel_data, GLuint pbo = 0)
{
+ assert(this->type == GL_UNSIGNED_SHORT);
this->pixel_data = pixel_data;
+ this->pbo = pbo;
invalidate_pixel_data();
}
- void invalidate_pixel_data()
+ void set_pixel_data_fp16(const fp16_int_t *pixel_data, GLuint pbo = 0)
{
- needs_update = true;
+ assert(this->type == GL_HALF_FLOAT);
+ this->pixel_data = pixel_data;
+ this->pbo = pbo;
+ invalidate_pixel_data();
}
- const unsigned char *get_pixel_data() const
+ void set_pixel_data(const float *pixel_data, GLuint pbo = 0)
{
- return pixel_data;
+ assert(this->type == GL_FLOAT);
+ this->pixel_data = pixel_data;
+ this->pbo = pbo;
+ invalidate_pixel_data();
}
+ void invalidate_pixel_data();
+
void set_pitch(unsigned pitch) {
- assert(!finalized);
this->pitch = pitch;
+ invalidate_pixel_data();
}
- unsigned get_pitch() {
- return pitch;
+ virtual void inform_added(EffectChain *chain)
+ {
+ resource_pool = chain->get_resource_pool();
}
private:
ImageFormat image_format;
MovitPixelFormat pixel_format;
- GLenum format;
+ GLenum type;
GLuint pbo, texture_num;
- bool needs_update, finalized;
int output_linear_gamma, needs_mipmaps;
- unsigned width, height, pitch, bytes_per_pixel;
- const unsigned char *pixel_data;
+ unsigned width, height, pitch;
+ const void *pixel_data;
+ ResourcePool *resource_pool;
};
-#endif // !defined(_FLAT_INPUT_H)
+} // namespace movit
+
+#endif // !defined(_MOVIT_FLAT_INPUT_H)