X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=flat_input.cpp;h=40fb7333bcec17fec73683579e7c796925c5afe8;hp=0516083bf30c13dc32cf2447718141ed08e4a038;hb=ad66f9714e4a36008c341355700272a52484a785;hpb=89da3437c862c15acb870fbe3175b9e4a0a8244a

diff --git a/flat_input.cpp b/flat_input.cpp
index 0516083..40fb733 100644
--- a/flat_input.cpp
+++ b/flat_input.cpp
@@ -1,27 +1,43 @@
 #include <string.h>
 #include <assert.h>
+#include <GL/glew.h>
 
+#include "effect_util.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),
 	  needs_mipmaps(false),
 	  width(width),
 	  height(height),
-	  pitch(width)
+	  pitch(width),
+	  pixel_data(NULL)
 {
 	assert(type == GL_FLOAT || type == GL_UNSIGNED_BYTE);
 	register_int("output_linear_gamma", &output_linear_gamma);
 	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 +46,7 @@ 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 +54,15 @@ 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) {
@@ -71,13 +89,15 @@ void FlatInput::finalize()
 	check_error();
 	glBindTexture(GL_TEXTURE_2D, texture_num);
 	check_error();
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	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);
 	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);
+	glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, needs_mipmaps ? GL_TRUE : GL_FALSE);
 	check_error();
 	glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, type, NULL);
 	check_error();
@@ -107,7 +127,7 @@ void FlatInput::set_gl_state(GLuint glsl_program_num, const std::string& prefix,
 		// 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_FLOAT, BUFFER_OFFSET(0));
+		glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, BUFFER_OFFSET(0));
 		check_error();
 		glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
 		check_error();