From 34052b51e00c939a35294d7085cadb5111484dd3 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sat, 26 May 2018 13:20:47 +0200
Subject: Separate headers into compilation units

---
 src/buffer/vertex/texture_display_vertex_buffer.cc | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/buffer/vertex/texture_display_vertex_buffer.cc

(limited to 'src/buffer/vertex/texture_display_vertex_buffer.cc')

diff --git a/src/buffer/vertex/texture_display_vertex_buffer.cc b/src/buffer/vertex/texture_display_vertex_buffer.cc
new file mode 100644
index 0000000..005ea76
--- /dev/null
+++ b/src/buffer/vertex/texture_display_vertex_buffer.cc
@@ -0,0 +1,46 @@
+#include "texture_display_vertex_buffer.h"
+
+TextureDisplayVertexBuffer::TextureDisplayVertexBuffer():
+	_data{
+		-1.f,  1.f, 0.f, 1.f,
+		-1.f, -1.f, 0.f, 0.f,
+		 1.f, -1.f, 1.f, 0.f,
+
+		-1.f,  1.f, 0.f, 1.f,
+		 1.f, -1.f, 1.f, 0.f,
+		 1.f,  1.f, 1.f, 1.f
+	} {
+	glGenVertexArrays(1, &_array);
+	glGenBuffers(1, &_buffer);
+
+	glBindVertexArray(_array);
+	glBindBuffer(GL_ARRAY_BUFFER, _buffer);
+	glBufferData(
+		GL_ARRAY_BUFFER,
+		_data.size() * sizeof(GLfloat),
+		_data.data(),
+		GL_STATIC_DRAW
+	);
+
+	glEnableVertexAttribArray(0);
+	glVertexAttribPointer(
+		0, 2, GL_FLOAT, GL_FALSE, 4*sizeof(GLfloat), (void*)0);
+	glEnableVertexAttribArray(1);
+	glVertexAttribPointer(
+		1, 2, GL_FLOAT, GL_FALSE, 4*sizeof(GLfloat), (void*)(2*sizeof(GLfloat)));
+}
+
+TextureDisplayVertexBuffer::~TextureDisplayVertexBuffer() {
+	glDeleteBuffers(1, &_buffer);
+	glDeleteVertexArrays(1, &_array);
+}
+
+GLuint TextureDisplayVertexBuffer::getBuffer() const {
+	return _buffer;
+}
+
+void TextureDisplayVertexBuffer::draw(const std::vector<GLuint>& textures) const {
+	glBindVertexArray(_array);
+	glBindTextures(textures[0], textures.size(), textures.data());
+	glDrawArrays(GL_TRIANGLES, 0, 6);
+}
-- 
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