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Add a framebuffer to hold a texture

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This commit is contained in:
Dimitri Lozeve 2021-02-24 21:48:54 +01:00
parent 57cdfca13d
commit 60d94b06f2
4 changed files with 130 additions and 33 deletions
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19
src/renderer.c
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@ -62,13 +62,14 @@ GLFWwindow *initialize_window(int width, int height) {
unsigned int initialize_vertices() {
/* Define vertices */
float vertices[] = {
-1.0, -1.0, 0.0, // bottom left
-1.0, 1.0, 0.0, // top left
1.0, -1.0, 0.0, // top right
1.0, 1.0, 0.0 // bottom right
// positions // texture coords
1.0, 1.0, 0.0, 1.0, 1.0, // top right
1.0, -1.0, 0.0, 1.0, 0.0, // bottom right
-1.0, -1.0, 0.0, 0.0, 0.0, // bottom left
-1.0, 1.0, 0.0, 0.0, 1.0, // top left
};
unsigned int indices[] = {
0, 1, 2, // first triangle
0, 1, 3, // first triangle
1, 2, 3 // second triangle
};
@ -86,8 +87,14 @@ unsigned int initialize_vertices() {
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices,
GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void *)0);
/* position attribute */
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void *)0);
glEnableVertexAttribArray(0);
/* texture coord attribute */
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float),
(void *)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
log_debug("Vertex data initialized successfully");
return VAO;