X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=flat_input.h;h=25b9091abc837baa699d5d36bc2c0b94253dc97a;hp=57f6f5a27d75213f92e668065dbd23991ef91781;hb=95edbfccb0843da3cc105dadc5bc6d8e102f6071;hpb=f8e636666b3d36f97b125bc1a0f0f582c5026c7f

diff --git a/flat_input.h b/flat_input.h
index 57f6f5a..25b9091 100644
--- a/flat_input.h
+++ b/flat_input.h
@@ -1,16 +1,19 @@
 #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 "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
@@ -23,22 +26,26 @@ public:
 	virtual std::string effect_type_id() const { return "FlatInput"; }
 
 	virtual bool can_output_linear_gamma() const {
+		// On desktop OpenGL, there's also GL_SLUMINANCE8 which could give us
+		// support for single-channel sRGB decoding, but it's not supported
+		// on GLES, and we're already actively rewriting single-channel inputs
+		// to GL_RED (even on desktop), so we stick to 3- and 4-channel inputs.
 		return (movit_srgb_textures_supported &&
 		        type == GL_UNSIGNED_BYTE &&
+			(pixel_format == FORMAT_RGB ||
+			 pixel_format == FORMAT_RGBA_POSTMULTIPLIED_ALPHA) &&
 		        (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_R:
+		case FORMAT_RG:
 		case FORMAT_RGB:
-		case FORMAT_BGR:
-		case FORMAT_GRAYSCALE:
 			return OUTPUT_BLANK_ALPHA;
 		default:
 			assert(false);
@@ -54,6 +61,7 @@ public:
 	unsigned get_height() const { return height; }
 	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
@@ -73,6 +81,22 @@ public:
 		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 set_pixel_data_fp16(const fp16_int_t *pixel_data, GLuint pbo = 0)
+	{
+		assert(this->type == GL_HALF_FLOAT);
+		this->pixel_data = pixel_data;
+		this->pbo = pbo;
+		invalidate_pixel_data();
+	}
+
 	void set_pixel_data(const float *pixel_data, GLuint pbo = 0)
 	{
 		assert(this->type == GL_FLOAT);
@@ -102,6 +126,9 @@ private:
 	unsigned width, height, pitch;
 	const void *pixel_data;
 	ResourcePool *resource_pool;
+	bool fixup_swap_rb, fixup_red_to_grayscale;
 };
 
+}  // namespace movit
+
 #endif // !defined(_MOVIT_FLAT_INPUT_H)