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mirror of https://github.com/LearnOpenGL-CN/LearnOpenGL-CN.git synced 2025-08-23 04:35:28 +08:00
This commit is contained in:
Meow J
2017-09-21 17:27:25 -04:00
parent 099e57e0ca
commit 64dc95b9f0

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@@ -340,12 +340,12 @@ glBindTexture(GL_TEXTURE_2D, texture);
#version 330 core
...
uniform sampler2D ourTexture1;
uniform sampler2D ourTexture2;
uniform sampler2D texture1;
uniform sampler2D texture2;
void main()
{
FragColor = mix(texture(ourTexture1, TexCoord), texture(ourTexture2, TexCoord), 0.2);
FragColor = mix(texture(texture1, TexCoord), texture(texture2, TexCoord), 0.2);
}
```
@@ -362,7 +362,7 @@ glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, texture2);
glBindVertexArray(VAO);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
```
我们还要通过使用<fun>glUniform1i</fun>设置每个采样器的方式告诉OpenGL每个着色器采样器属于哪个纹理单元。我们只需要设置一次即可所以这个会放在渲染循环的前面