From 37f9432feed87226bd0f576e16a263be5fb3ebac Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 17 Dec 2018 19:05:51 +0100
Subject: Fix glDrawArray call

---
 src/buffer/vertex/particle_vertex_buffer.cc        | 4 ++--
 src/buffer/vertex/texture_display_vertex_buffer.cc | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/buffer/vertex/particle_vertex_buffer.cc b/src/buffer/vertex/particle_vertex_buffer.cc
index fc61cc5..3f755dc 100644
--- a/src/buffer/vertex/particle_vertex_buffer.cc
+++ b/src/buffer/vertex/particle_vertex_buffer.cc
@@ -11,7 +11,7 @@ ParticleVertexBuffer::ParticleVertexBuffer(std::vector<GLfloat>&& data):
 		GL_ARRAY_BUFFER,
 		_data.size() * sizeof(GLfloat),
 		_data.data(),
-		GL_STATIC_DRAW
+		GL_DYNAMIC_DRAW
 	);
 
 	glEnableVertexAttribArray(0);
@@ -29,5 +29,5 @@ GLuint ParticleVertexBuffer::getBuffer() const {
 
 void ParticleVertexBuffer::draw() const {
 	glBindVertexArray(_array);
-	glDrawArrays(GL_POINTS, 0, 3*_data.size());
+	glDrawArrays(GL_POINTS, 0, _data.size()/3);
 }
diff --git a/src/buffer/vertex/texture_display_vertex_buffer.cc b/src/buffer/vertex/texture_display_vertex_buffer.cc
index 005ea76..d7efc73 100644
--- a/src/buffer/vertex/texture_display_vertex_buffer.cc
+++ b/src/buffer/vertex/texture_display_vertex_buffer.cc
@@ -19,7 +19,7 @@ TextureDisplayVertexBuffer::TextureDisplayVertexBuffer():
 		GL_ARRAY_BUFFER,
 		_data.size() * sizeof(GLfloat),
 		_data.data(),
-		GL_STATIC_DRAW
+		GL_DYNAMIC_DRAW
 	);
 
 	glEnableVertexAttribArray(0);
-- 
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