2
首先,我是OpenGL的新手,但在我的手机(摩托罗拉Bionic)中,以下代码按预期工作。Android OpenGL ES2.0纹理交换
GLES20.glActiveTexture(GLES20.GL_TEXTURE1);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTowerTextureHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE2);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTowerNormalHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE3);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFrostTextureHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE4);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFrostNormalHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE5);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFireTextureHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE6);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFireNormalHandle);
...
for (int i =0; i < mGame.towers.length; i++)
{
switch (mGame.towers[i].type)
{
case Dart:
GLES20.glUniform1i(mTextureUniformHandle, 1);
GLES20.glUniform1i(mTextureNormalUniformHandle, 2);
break;
case Frost:
GLES20.glUniform1i(mTextureUniformHandle, 3);
GLES20.glUniform1i(mTextureNormalUniformHandle, 4);
break;
case Fire:
GLES20.glUniform1i(mTextureUniformHandle, 5);
GLES20.glUniform1i(mTextureNormalUniformHandle, 6);
break;
}
...
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 6);
}
它会显示正确的纹理和正常的每个塔。在旧手机上(我的朋友不可思议),它只显示所有绘制最后类型纹理的塔。我可以将正确的纹理交换到每个塔的纹理1,但是速度并没有那么慢,并且看起来很低调?
有没有人有任何信息说明为什么它不能在某些手机上工作,以及为了使其兼容所有兼容OpenGLES20的手机,我需要做些什么?