drinkingtea/nostalgia
drinkingtea/nostalgia
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[nostalgia/core/userland] Cleanup some extraneous GL calls

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This commit is contained in:
Gary Talent 2021-03-18 02:13:24 -05:00
parent c4b9858738
commit e56fa3a531
1 changed files with 13 additions and 11 deletions
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24
src/nostalgia/core/userland/gfx_opengl.cpp
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@ -7,6 +7,9 @@
*/
#include <array>
#ifdef NOST_FPS_PRINT
#include <iostream>
#endif
#include <ox/std/bit.hpp>
#include <ox/std/defines.hpp>
@ -18,7 +21,6 @@
namespace nostalgia::core {
using TileMap = std::array<std::array<int, 128>, 128>;
namespace renderer {
@ -38,7 +40,6 @@ struct Background: public Bufferset {
struct GlImplData {
GLuint bgShader = 0;
std::array<TileMap, 4> bgTileMaps; // old, replaced by backgrounds
int64_t prevFpsCheckTime = 0;
uint64_t draws = 0;
std::array<Background, 1> backgrounds;
@ -114,18 +115,18 @@ static void initBackgroundBufferObjects(Context *ctx, Background *bg) noexcept {
setTileBufferObject(ctx, i * BgVertexVboRows, x, y, 0, vbo, ebo);
}
}
sendVbo(*bg);
sendEbo(*bg);
}
static void initBackgroundBufferset(Context *ctx, GLuint shader, Background *bufferset) {
static void initBackgroundBufferset(Context *ctx, GLuint shader, Background *bg) {
// vao
glGenVertexArrays(1, &bufferset->vao);
glBindVertexArray(bufferset->vao);
glGenVertexArrays(1, &bg->vao);
glBindVertexArray(bg->vao);
// vbo & ebo
glGenBuffers(1, &bufferset->vbo);
glGenBuffers(1, &bufferset->ebo);
initBackgroundBufferObjects(ctx, bufferset);
glGenBuffers(1, &bg->vbo);
glGenBuffers(1, &bg->ebo);
initBackgroundBufferObjects(ctx, bg);
sendVbo(*bg);
sendEbo(*bg);
// vbo layout
auto posAttr = static_cast<GLuint>(glGetAttribLocation(shader, "position"));
glEnableVertexAttribArray(posAttr);
@ -186,7 +187,7 @@ ox::Error loadBgTexture(Context *ctx, int section, void *pixels, int w, int h) {
void draw(Context *ctx) {
const auto id = ctx->rendererData<renderer::GlImplData>();
++id->draws;
if (id->draws >= 5000) {
if (id->draws >= 500) {
using namespace std::chrono;
const auto now = duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
const auto duration = static_cast<double>(now - id->prevFpsCheckTime) / 1000.0;
@ -220,6 +221,7 @@ void clearTileLayer(Context *ctx, int layer) {
const auto id = ctx->rendererData<renderer::GlImplData>();
auto bg = id->backgrounds[static_cast<std::size_t>(layer)];
initBackgroundBufferObjects(ctx, &bg);
bg.updated = true;
}
void hideSprite(Context*, unsigned) {