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Added wrappers for VBO and EBO

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korenkonder
2023-12-01 16:27:26 +03:00
parent c503aa89d8
commit 7b1866e63d
14 changed files with 464 additions and 526 deletions
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src/CRE/sprite.cpp
+23 -70
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@@ -7,6 +7,8 @@
#include "../KKdLib/prj/shared_ptr.hpp"
#include "../KKdLib/prj/stack_allocator.hpp"
#include "../KKdLib/txp.hpp"
#include "GL/array_buffer.hpp"
#include "GL/element_array_buffer.hpp"
#include "data.hpp"
#include "file_handler.hpp"
#include "shader_ft.hpp"
@@ -122,9 +124,9 @@ namespace spr {
std::vector<sprite_draw_vertex> vertex_buffer;
std::vector<uint32_t> index_buffer;
GLuint vao;
GLuint vbo;
GL::ArrayBuffer vbo;
size_t vbo_vertex_count;
GLuint ebo;
GL::ElementArrayBuffer ebo;
size_t ebo_index_count;
RenderData();
@@ -590,23 +592,16 @@ void sprite_manager_free() {
}
namespace spr {
SpriteManager::RenderData::RenderData() {
SpriteManager::RenderData::RenderData() : vao() {
glGenVertexArrays(1, &vao);
gl_state_bind_vertex_array(vao, true);
glGenBuffers(1, &vbo);
gl_state_bind_array_buffer(vbo, true);
vbo_vertex_count = 4096;
static const GLsizei buffer_size = sizeof(sprite_draw_vertex);
if (GLAD_GL_VERSION_4_4)
glBufferStorage(GL_ARRAY_BUFFER,
(GLsizeiptr)(buffer_size * vbo_vertex_count), 0, GL_DYNAMIC_STORAGE_BIT);
else
glBufferData(GL_ARRAY_BUFFER,
(GLsizeiptr)(buffer_size * vbo_vertex_count), 0, GL_DYNAMIC_DRAW);
vbo.Create(buffer_size * vbo_vertex_count);
vbo.Bind();
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, buffer_size,
@@ -621,17 +616,10 @@ namespace spr {
glVertexAttribPointer(3, 2, GL_FLOAT, GL_FALSE, buffer_size,
(void*)offsetof(sprite_draw_vertex, uv[1]));
glGenBuffers(1, &ebo);
gl_state_bind_element_array_buffer(ebo, true);
ebo_index_count = 4096;
if (GLAD_GL_VERSION_4_4)
glBufferStorage(GL_ELEMENT_ARRAY_BUFFER,
(GLsizeiptr)(sizeof(uint32_t) * ebo_index_count), 0, GL_DYNAMIC_STORAGE_BIT);
else
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
(GLsizeiptr)(sizeof(uint32_t) * ebo_index_count), 0, GL_DYNAMIC_DRAW);
ebo.Create(sizeof(uint32_t) * ebo_index_count);
ebo.Bind();
gl_state_bind_array_buffer(0);
gl_state_bind_vertex_array(0);
@@ -639,15 +627,8 @@ namespace spr {
}
SpriteManager::RenderData::~RenderData() {
if (ebo) {
glDeleteBuffers(1, &ebo);
ebo = 0;
}
if (vbo) {
glDeleteBuffers(1, &vbo);
vbo = 0;
}
ebo.Destroy();
vbo.Destroy();
if (vao) {
glDeleteVertexArrays(1, &vao);
@@ -668,18 +649,13 @@ namespace spr {
while (vbo_vertex_count < vertex_buffer.size())
vbo_vertex_count *= 2;
glDeleteBuffers(1, &vbo);
glGenBuffers(1, &vbo);
vbo.Destroy();
gl_state_bind_vertex_array(vao, true);
gl_state_bind_array_buffer(vbo, true);
if (GLAD_GL_VERSION_4_4)
glBufferStorage(GL_ARRAY_BUFFER,
(GLsizeiptr)(buffer_size * vbo_vertex_count), 0, GL_DYNAMIC_STORAGE_BIT);
else
glBufferData(GL_ARRAY_BUFFER,
(GLsizeiptr)(buffer_size * vbo_vertex_count), 0, GL_DYNAMIC_DRAW);
vbo.Create(buffer_size * vbo_vertex_count);
vbo.Bind();
glBufferSubData(GL_ARRAY_BUFFER, 0, (GLsizeiptr)(buffer_size
* vertex_buffer.size()), vertex_buffer.data());
@@ -699,51 +675,28 @@ namespace spr {
gl_state_bind_array_buffer(0);
gl_state_bind_vertex_array(0);
}
else {
if (GLAD_GL_VERSION_4_5)
glNamedBufferSubData(vbo, 0, (GLsizeiptr)(buffer_size
* vertex_buffer.size()), vertex_buffer.data());
else {
gl_state_bind_array_buffer(vbo);
glBufferSubData(GL_ARRAY_BUFFER, 0, (GLsizeiptr)(buffer_size
* vertex_buffer.size()), vertex_buffer.data());
gl_state_bind_array_buffer(0);
}
}
else
vbo.WriteMemory(0, buffer_size * vertex_buffer.size(), vertex_buffer.data());
if (ebo_index_count < index_buffer.size()) {
while (ebo_index_count < index_buffer.size())
ebo_index_count *= 2;
glDeleteBuffers(1, &ebo);
glGenBuffers(1, &ebo);
ebo.Destroy();
gl_state_bind_vertex_array(vao, true);
gl_state_bind_element_array_buffer(ebo, true);
if (GLAD_GL_VERSION_4_4)
glBufferStorage(GL_ELEMENT_ARRAY_BUFFER,
(GLsizeiptr)(sizeof(uint32_t) * ebo_index_count), 0, GL_DYNAMIC_STORAGE_BIT);
else
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
(GLsizeiptr)(sizeof(uint32_t) * ebo_index_count), 0, GL_DYNAMIC_DRAW);
ebo.Create(sizeof(uint32_t) * ebo_index_count);
ebo.Bind();
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, (GLsizeiptr)(sizeof(uint32_t)
* index_buffer.size()), index_buffer.data());
gl_state_bind_vertex_array(0);
gl_state_bind_element_array_buffer(0);
}
else {
if (GLAD_GL_VERSION_4_5)
glNamedBufferSubData(ebo, 0, (GLsizeiptr)(sizeof(uint32_t)
* index_buffer.size()), index_buffer.data());
else {
gl_state_bind_array_buffer(ebo);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, (GLsizeiptr)(sizeof(uint32_t)
* index_buffer.size()), index_buffer.data());
gl_state_bind_array_buffer(0);
}
}
else
ebo.WriteMemory(0, sizeof(uint32_t) * index_buffer.size(), index_buffer.data());
}
SpriteManager::SpriteManager() : aspect(), index(), set_counter() {