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Add a test of unmapping read-only persistent buffers on GL

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baldurk
2023-11-13 15:15:30 +00:00
parent caef1b9c69
commit d9fd975138
1 changed files with 8 additions and 0 deletions
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util/test/demos/gl/gl_parameter_zoo.cpp
+8
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@@ -184,6 +184,10 @@ void main()
ActivateContext(mainWindow, NULL);
ActivateContext(mainWindow, mainContext, true);
GLuint mapPersTest = MakeBuffer();
glBindBuffer(GL_SHADER_STORAGE_BUFFER, mapPersTest);
glBufferStorage(GL_SHADER_STORAGE_BUFFER, 1024, 0, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
while(Running())
{
// trash the texture pack/unpack state
@@ -198,6 +202,10 @@ void main()
glPixelStorei(GL_PACK_SKIP_ROWS, 33);
glPixelStorei(GL_PACK_ALIGNMENT, 8);
glBindBuffer(GL_SHADER_STORAGE_BUFFER, mapPersTest);
glMapBufferRange(GL_SHADER_STORAGE_BUFFER, 0, 1024, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
glUnmapBuffer(GL_SHADER_STORAGE_BUFFER);
for(int i = 0; i < 100; i++)
glGetError();