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Fixed bug with rendering stars on OS X: was using some weird extension on

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Apple rather than standard VBOs.
This commit is contained in:
Andrzej Kapolka 2013-05-03 15:44:51 -07:00
parent c1a3478954
commit bc0c1cf5f9
1 changed files with 9 additions and 23 deletions
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32
interface/src/starfield/renderer/Renderer.h
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@ -459,11 +459,6 @@ namespace starfield {
private: // gl API handling
#ifdef __APPLE__
# define glBindVertexArray glBindVertexArrayAPPLE
# define glGenVertexArrays glGenVertexArraysAPPLE
# define glDeleteVertexArrays glDeleteVertexArraysAPPLE
#endif
void glAlloc() {
GLchar const* const VERTEX_SHADER =
@ -487,26 +482,21 @@ namespace starfield {
_objProgram.addShader(GL_FRAGMENT_SHADER, FRAGMENT_SHADER);
_objProgram.link();
glGenVertexArrays(1, & _hndVertexArray);
glGenBuffersARB(1, & _hndVertexArray);
}
void glFree() {
glDeleteVertexArrays(1, & _hndVertexArray);
glDeleteBuffersARB(1, & _hndVertexArray);
}
void glUpload(GLsizei n) {
GLuint vbo;
glGenBuffers(1, & vbo);
glBindVertexArray(_hndVertexArray);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBindBufferARB(GL_ARRAY_BUFFER, _hndVertexArray);
glBufferData(GL_ARRAY_BUFFER,
n * sizeof(GpuVertex), _arrData, GL_STATIC_DRAW);
glInterleavedArrays(GL_C4UB_V3F, sizeof(GpuVertex), 0l);
//glInterleavedArrays(GL_C4UB_V3F, sizeof(GpuVertex), 0l);
glBindVertexArray(0);
glBindBufferARB(GL_ARRAY_BUFFER, 0);
}
void glBatch(GLfloat const* matrix, GLsizei n_ranges) {
@ -538,14 +528,15 @@ namespace starfield {
// select shader and vertex array
_objProgram.activate();
glBindVertexArray(_hndVertexArray);
glBindBufferARB(GL_ARRAY_BUFFER, _hndVertexArray);
glInterleavedArrays(GL_C4UB_V3F, sizeof(GpuVertex), 0l);
// render
glMultiDrawArrays(GL_POINTS,
_arrBatchOffs, _arrBatchCount, n_ranges);
// restore state
glBindVertexArray(0);
glBindBufferARB(GL_ARRAY_BUFFER, 0);
glUseProgram(0);
glDisable(GL_VERTEX_PROGRAM_POINT_SIZE);
glDisable(GL_POINT_SMOOTH);
@ -553,11 +544,6 @@ namespace starfield {
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
#ifdef __APPLE__
# undef glBindVertexArray
# undef glGenVertexArrays
# undef glDeleteVertexArrays
#endif
};
} // anonymous namespace