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test VAOs

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This commit is contained in:
Josh Holtrop 2015-06-13 00:07:53 -04:00
parent eca4c440bc
commit 22020958d5
1 changed files with 21 additions and 8 deletions
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29
test/test.cpp
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@ -8,6 +8,8 @@ using namespace std;
#define WIDTH 800
#define HEIGHT 600
shared_ptr<glcxx::Array> array1;
shared_ptr<glcxx::Array> array2;
shared_ptr<glcxx::Shader> vs;
shared_ptr<glcxx::Shader> vs2;
shared_ptr<glcxx::Shader> fs;
@ -23,6 +25,10 @@ bool init(void)
glClearColor (0.0, 0.0, 0.0, 0.0);
try
{
array1 = make_shared<glcxx::Array>();
array2 = make_shared<glcxx::Array>();
array1->create();
array2->create();
vs = make_shared<glcxx::Shader>();
vs2 = make_shared<glcxx::Shader>();
fs = make_shared<glcxx::Shader>();
@ -64,6 +70,19 @@ bool init(void)
0.1, 0.1, 1.0, 1.0,
};
buffer3->create(GL_ARRAY_BUFFER, GL_STATIC_DRAW, &colors, sizeof(colors));
array1->bind();
glEnableVertexAttribArray(0);
buffer->bind();
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), NULL);
array2->bind();
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
buffer2->bind();
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), NULL);
buffer3->bind();
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(GLfloat), NULL);
}
catch (glcxx::Error & e)
{
@ -77,19 +96,13 @@ void display(SDL_Window * window)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnableVertexAttribArray(0);
buffer->bind();
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), NULL);
array1->bind();
program->use();
GLint uniform_location = program->get_uniform_location("color");
glUniform4f(uniform_location, 1.0, 0.6, 0.2, 1.0);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glEnableVertexAttribArray(1);
buffer2->bind();
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), NULL);
buffer3->bind();
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 4 * sizeof(GLfloat), NULL);
array2->bind();
program2->use();
glDrawArrays(GL_TRIANGLE_FAN, 0, 3);