X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=flat_input.h;h=dec0f1c2ea2498b2eb9d30af1a319a0de07c7883;hp=80e113f67c7f01b5945764c45ca3c18901a573d2;hb=ca4d87878bb32c7d672ac00f41ca0292f19acfcb;hpb=37f56fcbe571b2322243f6de59494bf9e0cbb37a

diff --git a/flat_input.h b/flat_input.h
index 80e113f..dec0f1c 100644
--- a/flat_input.h
+++ b/flat_input.h
@@ -1,15 +1,20 @@
-#ifndef _FLAT_INPUT_H
-#define _FLAT_INPUT_H 1
+#ifndef _MOVIT_FLAT_INPUT_H
+#define _MOVIT_FLAT_INPUT_H 1
 
 #include <GL/glew.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 {
@@ -19,11 +24,6 @@ public:
 
 	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 &&
@@ -61,39 +61,51 @@ public:
 	// 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;
 };
 
-#endif // !defined(_FLAT_INPUT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_FLAT_INPUT_H)