X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=flat_input.cpp;h=a9d01a72f920b2409849165df1efcb776eb1dada;hp=089008344c3f457468146203b84fbad5a638e527;hb=207384d5c7b8ce40e57decb0160c91da70d54ee6;hpb=42b10f3a940eb05016764d1a30417ae7f21ae1f3

diff --git a/flat_input.cpp b/flat_input.cpp
index 0890083..a9d01a7 100644
--- a/flat_input.cpp
+++ b/flat_input.cpp
@@ -1,14 +1,16 @@
 #include <string.h>
 #include <assert.h>
+#include <GL/glew.h>
 
 #include "flat_input.h"
 #include "util.h"
-#include "opengl.h"
 
 FlatInput::FlatInput(ImageFormat image_format, MovitPixelFormat pixel_format, GLenum type, unsigned width, unsigned height)
 	: image_format(image_format),
           pixel_format(pixel_format),
 	  type(type),
+	  pbo(0),
+	  texture_num(0),
 	  needs_update(false),
 	  finalized(false),
 	  output_linear_gamma(false),
@@ -22,6 +24,18 @@ FlatInput::FlatInput(ImageFormat image_format, MovitPixelFormat pixel_format, GL
 	register_int("needs_mipmaps", &needs_mipmaps);
 }
 
+FlatInput::~FlatInput()
+{
+	if (pbo != 0) {
+		glDeleteBuffers(1, &pbo);
+		check_error();
+	}
+	if (texture_num != 0) {
+		glDeleteTextures(1, &texture_num);
+		check_error();
+	}
+}
+
 void FlatInput::finalize()
 {
 	// Translate the input format to OpenGL's enums.
@@ -30,7 +44,7 @@ void FlatInput::finalize()
 		internal_format = GL_RGBA16F_ARB;
 	} else if (output_linear_gamma) {
 		assert(type == GL_UNSIGNED_BYTE);
-		internal_format = GL_SRGB8;
+		internal_format = GL_SRGB8_ALPHA8;
 	} else {
 		assert(type == GL_UNSIGNED_BYTE);
 		internal_format = GL_RGBA8;
@@ -38,13 +52,15 @@ void FlatInput::finalize()
 	if (pixel_format == FORMAT_RGB) {
 		format = GL_RGB;
 		bytes_per_pixel = 3;
-	} else if (pixel_format == FORMAT_RGBA) {
+	} else if (pixel_format == FORMAT_RGBA_PREMULTIPLIED_ALPHA ||
+	           pixel_format == FORMAT_RGBA_POSTMULTIPLIED_ALPHA) {
 		format = GL_RGBA;
 		bytes_per_pixel = 4;
 	} else if (pixel_format == FORMAT_BGR) {
 		format = GL_BGR;
 		bytes_per_pixel = 3;
-	} else if (pixel_format == FORMAT_BGRA) {
+	} else if (pixel_format == FORMAT_BGRA_PREMULTIPLIED_ALPHA ||
+	           pixel_format == FORMAT_BGRA_POSTMULTIPLIED_ALPHA) {
 		format = GL_BGRA;
 		bytes_per_pixel = 4;
 	} else if (pixel_format == FORMAT_GRAYSCALE) {
@@ -71,6 +87,8 @@ void FlatInput::finalize()
 	check_error();
 	glBindTexture(GL_TEXTURE_2D, texture_num);
 	check_error();
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	check_error();
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, needs_mipmaps ? GL_LINEAR_MIPMAP_NEAREST : GL_LINEAR);
 	check_error();
 	glPixelStorei(GL_UNPACK_ROW_LENGTH, pitch);