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Merge pull request #1709 from unknownbrackets/attributeless-fix 

OGL: Attempt a larger buffer to workaround 7946
This commit is contained in:
Markus Wick 2014-12-17 14:20:54 +01:00
parent 5313dd1b8c 5b51f5a801
commit 98292682fe
1 changed files with 3 additions and 2 deletions
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5
Source/Core/VideoBackends/OGL/GLUtil.cpp
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@ -124,13 +124,14 @@ void OpenGL_CreateAttributelessVAO()
glGenBuffers(1, &attributelessVBO); glGenBuffers(1, &attributelessVBO);
_dbg_assert_msg_(VIDEO, attributelessVBO != 0, "Attributeless VBO should have been created successfully.") _dbg_assert_msg_(VIDEO, attributelessVBO != 0, "Attributeless VBO should have been created successfully.")
// Initialize the buffer with nothing. // Initialize the buffer with nothing. 16 floats is an arbitrary size that may work around driver issues.
glBindBuffer(GL_ARRAY_BUFFER, attributelessVBO); glBindBuffer(GL_ARRAY_BUFFER, attributelessVBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat), nullptr, GL_STATIC_DRAW); glBufferData(GL_ARRAY_BUFFER, sizeof(GLfloat) * 16, nullptr, GL_STATIC_DRAW);
// We must also define vertex attribute 0. // We must also define vertex attribute 0.
glBindVertexArray(attributelessVAO); glBindVertexArray(attributelessVAO);
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, nullptr); glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, nullptr);
glEnableVertexAttribArray(0);
} }
void OpenGL_BindAttributelessVAO() void OpenGL_BindAttributelessVAO()