]> git.sesse.net Git - movit/blobdiff - flat_input.cpp
If all inputs to an effect have the same input size, use that instead of fitting...
[movit] / flat_input.cpp
index 089008344c3f457468146203b84fbad5a638e527..9cb9b9c5b377f356f593346f18886ba19ef2d20f 100644 (file)
@@ -1,27 +1,42 @@
 #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),
          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 +45,7 @@ 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 +53,15 @@ 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 +88,8 @@ 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);