Use glTexSubImage2D on second and later uploads.

[movit] / effect_chain.cpp

diff --git a/effect_chain.cpp b/effect_chain.cpp
index 4dfa6921b4d610296d899dca4a6021e654f5798e..0f2e69d36be2a1a06409a3a750710947b98d7d2d 100644 (file)
--- a/effect_chain.cpp
+++ b/effect_chain.cpp
@@ -217,7 +217,7 @@ void EffectChain::render_to_screen(unsigned char *src)
        if (first) {
                glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, GL_UNSIGNED_BYTE, src);
        } else {
-               glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, 0, format, GL_UNSIGNED_BYTE, src);
+               glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, GL_UNSIGNED_BYTE, src);
        }
        check_error();
        glUniform1i(glGetUniformLocation(glsl_program_num, "input_tex"), 0);