X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=input.cpp;fp=input.cpp;h=0000000000000000000000000000000000000000;hp=1df39c6d24df201010c020cc98ca43e4a2fa1c4f;hb=0dc1dfe6444a700ebd2c9f006cba000b90c3a7b0;hpb=bbf6d754a01960a637e821853cf50a282f2a9163

diff --git a/input.cpp b/input.cpp
deleted file mode 100644
index 1df39c6..0000000
--- a/input.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-#define GL_GLEXT_PROTOTYPES 1
-
-#include <string.h>
-#include <GL/gl.h>
-#include <GL/glext.h>
-#include <assert.h>
-
-#include "input.h"
-#include "util.h"
-
-Input::Input(ImageFormat image_format, unsigned width, unsigned height)
-	: image_format(image_format),
-	  needs_update(false),
-	  finalized(false),
-	  use_srgb_texture_format(false),
-	  needs_mipmaps(false),
-	  width(width),
-	  height(height),
-	  pitch(width)
-{
-	register_int("use_srgb_texture_format", &use_srgb_texture_format);
-	register_int("needs_mipmaps", &needs_mipmaps);
-}
-
-void Input::finalize()
-{
-	// Translate the input format to OpenGL's enums.
-	GLenum internal_format;
-	if (use_srgb_texture_format) {
-		internal_format = GL_SRGB8;
-	} else {
-		internal_format = GL_RGBA8;
-	}
-	if (image_format.pixel_format == FORMAT_RGB) {
-		format = GL_RGB;
-		bytes_per_pixel = 3;
-	} else if (image_format.pixel_format == FORMAT_RGBA) {
-		format = GL_RGBA;
-		bytes_per_pixel = 4;
-	} else if (image_format.pixel_format == FORMAT_BGR) {
-		format = GL_BGR;
-		bytes_per_pixel = 3;
-	} else if (image_format.pixel_format == FORMAT_BGRA) {
-		format = GL_BGRA;
-		bytes_per_pixel = 4;
-	} else if (image_format.pixel_format == FORMAT_GRAYSCALE) {
-		format = GL_LUMINANCE;
-		bytes_per_pixel = 1;
-	} else {
-		assert(false);
-	}
-
-	// Create PBO to hold the texture holding the input image, and then the texture itself.
-	glGenBuffers(1, &pbo);
-	check_error();
-	glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo);
-	check_error();
-	glBufferData(GL_PIXEL_UNPACK_BUFFER_ARB, pitch * height * bytes_per_pixel, NULL, GL_STREAM_DRAW);
-	check_error();
-	glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
-	check_error();
-	
-	glGenTextures(1, &texture_num);
-	check_error();
-	glBindTexture(GL_TEXTURE_2D, texture_num);
-	check_error();
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	check_error();
-	glPixelStorei(GL_UNPACK_ROW_LENGTH, pitch);
-	check_error();
-	// Intel/Mesa seems to have a broken glGenerateMipmap() for non-FBO textures, so do it here
-	// instead of calling glGenerateMipmap().
-	glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, needs_mipmaps);
-	check_error();
-	glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, GL_UNSIGNED_BYTE, NULL);
-	check_error();
-	glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
-	check_error();
-
-	needs_update = false;
-	finalized = true;
-}
-	
-void Input::set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num)
-{
-	glActiveTexture(GL_TEXTURE0 + *sampler_num);
-	check_error();
-	glBindTexture(GL_TEXTURE_2D, texture_num);
-	check_error();
-
-	if (needs_update) {
-		// Copy the pixel data into the PBO.
-		glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo);
-		check_error();
-		void *mapped_pbo = glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, GL_WRITE_ONLY);
-		memcpy(mapped_pbo, pixel_data, pitch * height * bytes_per_pixel);
-		glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
-		check_error();
-
-		// Re-upload the texture from the PBO.
-		glPixelStorei(GL_UNPACK_ROW_LENGTH, pitch);
-		check_error();
-		glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, GL_UNSIGNED_BYTE, BUFFER_OFFSET(0));
-		check_error();
-		glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
-		check_error();
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-		check_error();
-		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-		check_error();
-		glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
-		check_error();
-
-		needs_update = false;
-	}
-
-	// Bind it to a sampler.
-	set_uniform_int(glsl_program_num, prefix, "tex", *sampler_num);
-	++*sampler_num;
-}
-
-std::string Input::output_fragment_shader()
-{
-	return read_file("input.frag");
-}