mirror of
https://github.com/Relintai/sfw.git
synced 2024-11-08 07:52:09 +01:00
Initial texture loading setup.
This commit is contained in:
parent
0da5c5e530
commit
50e8606b59
@ -52,6 +52,7 @@ ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/mesh
|
||||
ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/object_2d.cpp -o sfw/application/object_2d.o
|
||||
ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/sprite.cpp -o sfw/application/sprite.o
|
||||
ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/tile_map.cpp -o sfw/application/tile_map.o
|
||||
ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c sfw/application/texture.cpp -o sfw/application/texture.o
|
||||
|
||||
ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c game_scene.cpp -o game_scene.o
|
||||
ccache g++ -Wall -D_REENTRANT -g -Isfw -Isfw/application -c main.cpp -o main.o
|
||||
@ -65,7 +66,7 @@ ccache g++ -Wall -lm -ldl -lpthread -lX11 -D_REENTRANT -g sfw/aabb.o sfw/basis.
|
||||
sfw/application/application.o sfw/application/scene.o sfw/application/window.o \
|
||||
sfw/application/shader.o sfw/application/material.o sfw/application/mesh.o \
|
||||
sfw/application/camera.o sfw/application/mesh_instance.o sfw/application/object_2d.o \
|
||||
sfw/application/sprite.o sfw/application/tile_map.o \
|
||||
sfw/application/sprite.o sfw/application/tile_map.o sfw/application/texture.o \
|
||||
game_scene.o main.o \
|
||||
-o game
|
||||
|
||||
|
||||
@ -5,11 +5,6 @@
|
||||
#include "3rd_glad.h"
|
||||
#include "memory.h"
|
||||
|
||||
|
||||
|
||||
//#include "camera.h"
|
||||
//#include "sprite.h"
|
||||
|
||||
void GameScene::event() {
|
||||
/*
|
||||
switch (ev.type) {
|
||||
@ -109,8 +104,10 @@ void GameScene::render() {
|
||||
|
||||
//sprite->render();
|
||||
|
||||
material->bind();
|
||||
mesh->render();
|
||||
//material->bind();
|
||||
//mesh->render();
|
||||
|
||||
sprite->render();
|
||||
}
|
||||
|
||||
GameScene::GameScene() {
|
||||
@ -119,16 +116,17 @@ GameScene::GameScene() {
|
||||
right = false;
|
||||
up = false;
|
||||
down = false;
|
||||
*/
|
||||
|
||||
int w;
|
||||
int h;
|
||||
SDL_GetWindowSize(Application::get_singleton()->window, &w, &h);
|
||||
//int w;
|
||||
//int h;
|
||||
//SDL_GetWindowSize(Application::get_singleton()->window, &w, &h);
|
||||
|
||||
float ar = static_cast<float>(w) / static_cast<float>(h);
|
||||
camera->width = camera->height * ar;
|
||||
//float ar = static_cast<float>(w) / static_cast<float>(h);
|
||||
//camera->width = camera->height * ar;
|
||||
|
||||
texture = new Texture();
|
||||
texture->load_image("download.bmp");
|
||||
texture->load_image("icon.png");
|
||||
//ha a textúrának van alpha csatornája:
|
||||
//texture->load_image("download.bmp", GL_RGBA, GL_RGBA);
|
||||
|
||||
@ -137,14 +135,14 @@ GameScene::GameScene() {
|
||||
|
||||
sprite = new Sprite();
|
||||
sprite->mesh_instance->material = material;
|
||||
sprite->position.x = 8;
|
||||
sprite->position.y = 8;
|
||||
sprite->region_x = 7.0 * (1.0 / 16.0);
|
||||
sprite->region_y = 7.0 * (1.0 / 16.0);
|
||||
sprite->region_width = 1.0 / 16.0;
|
||||
sprite->region_height = 1.0 / 16.0;
|
||||
sprite->position.x = 0;
|
||||
sprite->position.y = 0;
|
||||
//sprite->region_x = 7.0 * (1.0 / 16.0);
|
||||
//sprite->region_y = 7.0 * (1.0 / 16.0);
|
||||
//sprite->region_width = 1.0 / 16.0;
|
||||
//sprite->region_height = 1.0 / 16.0;
|
||||
sprite->update_mesh();
|
||||
|
||||
/*
|
||||
tile_map = new TileMap();
|
||||
tile_map->material = material;
|
||||
tile_map->atlas_size_x = 16;
|
||||
@ -173,8 +171,8 @@ GameScene::GameScene() {
|
||||
//camera->position.z = -2;
|
||||
|
||||
mesh = memnew(Mesh(2));
|
||||
material = memnew(ColoredMaterial());
|
||||
material->color = glm::vec4(1, 1, 0, 1);
|
||||
cmaterial = memnew(ColoredMaterial());
|
||||
cmaterial->color = glm::vec4(1, 1, 0, 1);
|
||||
|
||||
mesh->clear();
|
||||
|
||||
@ -201,7 +199,6 @@ GameScene::GameScene() {
|
||||
//mesh->add_uv(region_x + region_width, region_y);
|
||||
//mesh->add_vertex2(w2, h2);
|
||||
|
||||
|
||||
mesh->add_vertex2(0, 0.5);
|
||||
mesh->add_vertex2(-0.5, -0.5);
|
||||
mesh->add_vertex2(0.5, -0.5);
|
||||
@ -214,12 +211,13 @@ GameScene::GameScene() {
|
||||
|
||||
GameScene::~GameScene() {
|
||||
/*
|
||||
delete camera;
|
||||
delete texture;
|
||||
delete material;
|
||||
delete tile_map;
|
||||
delete sprite;
|
||||
*/
|
||||
memdelete(camera);
|
||||
memdelete(texture);
|
||||
memdelete(material);
|
||||
|
||||
memdelete(sprite);
|
||||
|
||||
memdelete(camera);
|
||||
memdelete(mesh);
|
||||
|
||||
11
game_scene.h
11
game_scene.h
@ -15,6 +15,11 @@
|
||||
#include "colored_material.h"
|
||||
#include "mesh.h"
|
||||
#include "camera.h"
|
||||
#include "texture.h"
|
||||
#include "texture_material.h"
|
||||
#include "camera.h"
|
||||
#include "sprite.h"
|
||||
|
||||
|
||||
class GameScene : public Scene {
|
||||
public:
|
||||
@ -29,16 +34,16 @@ public:
|
||||
bool right;
|
||||
bool up;
|
||||
bool down;
|
||||
*/
|
||||
|
||||
Texture *texture;
|
||||
TextureMaterial *material;
|
||||
TileMap *tile_map;
|
||||
//TileMap *tile_map;
|
||||
Sprite *sprite;
|
||||
*/
|
||||
|
||||
Camera *camera;
|
||||
Mesh *mesh;
|
||||
ColoredMaterial *material;
|
||||
ColoredMaterial *cmaterial;
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -1,51 +1,216 @@
|
||||
#include "texture.h"
|
||||
|
||||
#include "memory.h"
|
||||
#include <stdio.h>
|
||||
|
||||
void Texture::load_image(const char * file_name, const int format, const int internal_components) {
|
||||
if (image) {
|
||||
SDL_FreeSurface(image);
|
||||
image = NULL;
|
||||
glDeleteTextures(1, &texture);
|
||||
#define STB_IMAGE_IMPLEMENTATION // stbi
|
||||
#define STB_IMAGE_WRITE_IMPLEMENTATION // stbi_write
|
||||
#define STB_SPRINTF_IMPLEMENTATION // stb_sprintf
|
||||
#define STB_SPRINTF_NOUNALIGNED // stb_sprintf
|
||||
|
||||
#include "3rd_stb_image.h"
|
||||
|
||||
//{{FILE:3rd_stb_image_write.h}}
|
||||
//---
|
||||
#undef freelist
|
||||
#define STBTT_malloc(x, u) ((void)(u), MALLOC(x))
|
||||
#define STBTT_free(x, u) ((void)(u), FREE(x))
|
||||
#define NK_ASSERT ASSERT
|
||||
#define NK_DTOA(s, n) strcpy(s, va("%f", n)) // override cos built-in nk_dtoa() will freeze while parsing UINT_MAX otherwise
|
||||
|
||||
void Texture::image_data_load(const char *file_name, int flags) {
|
||||
//stbi_set_flip_vertically_on_load(flags & IMAGE_FLIP ? 1 : 0);
|
||||
|
||||
int img_n = 0;
|
||||
//if (flags & IMAGE_R)
|
||||
// n = 1;
|
||||
//if (flags & IMAGE_RG)
|
||||
// n = 2;
|
||||
//if (flags & IMAGE_RGB)
|
||||
// n = 3;
|
||||
//if (flags & IMAGE_RGBA)
|
||||
img_n = 4;
|
||||
//if (flags & IMAGE_FLOAT)
|
||||
// img.pixels = stbi_loadf_from_file((const stbi_uc *)data, size, (int *)&img.x, (int *)&img.y, (int *)&img.n, n);
|
||||
//else
|
||||
|
||||
FILE *fp = fopen(file_name, "r");
|
||||
|
||||
pixels = stbi_load_from_file(fp, &x, &y, &n, img_n);
|
||||
|
||||
fclose(fp);
|
||||
|
||||
//if (img.pixels) {
|
||||
// PRINTF("Loaded image (%dx%d %.*s->%.*s)\n", img.w, img.h, img.n, "RGBA", n ? n : img.n, "RGBA");
|
||||
//} else {
|
||||
// PANIC("Error loading image (%s)\n", pathfile);
|
||||
//}
|
||||
|
||||
n = img_n ? img_n : n;
|
||||
}
|
||||
|
||||
void Texture::load_image(const char *file_name, const int format, const int internal_components) {
|
||||
if (pixels) {
|
||||
//TODO
|
||||
//memdelete(pixels);
|
||||
pixels = NULL;
|
||||
glDeleteTextures(1, &texture);
|
||||
}
|
||||
|
||||
image_data_load(file_name, 0);
|
||||
|
||||
if (!pixels) {
|
||||
printf("Couldn't load %s.\n", file_name);
|
||||
} else {
|
||||
//image = SDL_ConvertSurfaceFormat(img, SDL_PIXELFORMAT_RGBA32, 0);
|
||||
//SDL_FreeSurface(img);
|
||||
|
||||
glGenTextures(1, &texture);
|
||||
|
||||
texture_update(0);
|
||||
|
||||
//glBindTexture(GL_TEXTURE_2D, texture);
|
||||
//glTexImage2D(GL_TEXTURE_2D, 0, format, image->w, image->h, 0, internal_components, GL_UNSIGNED_BYTE, image->pixels);
|
||||
//apply_filter();
|
||||
}
|
||||
}
|
||||
|
||||
void Texture::texture_update(int flags) {
|
||||
if (!pixels) {
|
||||
return;
|
||||
}
|
||||
|
||||
//if (t && !t->id) {
|
||||
// glGenTextures(1, &t->id);
|
||||
// return texture_update(t, w, h, n, pixels, flags);
|
||||
//}
|
||||
|
||||
//ASSERT(t && t->id);
|
||||
//ASSERT(n <= 4);
|
||||
|
||||
//GLuint pixel_types[] = { GL_RED, GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_R32F, GL_R32F, GL_RG32F, GL_RGB32F, GL_RGBA32F };
|
||||
//GLenum pixel_storage = flags & TEXTURE_FLOAT ? GL_FLOAT : GL_UNSIGNED_BYTE;
|
||||
GLenum pixel_storage = GL_UNSIGNED_BYTE;
|
||||
//GLuint pixel_type = pixel_types[n];
|
||||
GLuint pixel_type = GL_RGBA;
|
||||
//GLuint texel_type = t->texel_type = pixel_types[n + 5 * !!(flags & TEXTURE_FLOAT)];
|
||||
GLuint texel_type = GL_RGBA;
|
||||
GLenum wrap = GL_CLAMP_TO_EDGE;
|
||||
GLenum min_filter = GL_NEAREST, mag_filter = GL_NEAREST;
|
||||
// GLfloat color = (flags&7)/7.f, border_color[4] = { color, color, color, 1.f };
|
||||
|
||||
/*
|
||||
if (flags & TEXTURE_BGR)
|
||||
if (pixel_type == GL_RGB)
|
||||
pixel_type = GL_BGR;
|
||||
if (flags & TEXTURE_BGR)
|
||||
if (pixel_type == GL_RGBA)
|
||||
pixel_type = GL_BGRA;
|
||||
if (flags & TEXTURE_SRGB)
|
||||
if (texel_type == GL_RGB)
|
||||
texel_type = GL_SRGB;
|
||||
if (flags & TEXTURE_SRGB)
|
||||
if (texel_type == GL_RGBA)
|
||||
texel_type = GL_SRGB_ALPHA; // GL_SRGB8_ALPHA8 ?
|
||||
*/
|
||||
/*
|
||||
if (flags & TEXTURE_BC1)
|
||||
texel_type = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
|
||||
if (flags & TEXTURE_BC2)
|
||||
texel_type = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
|
||||
if (flags & TEXTURE_BC3)
|
||||
texel_type = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
|
||||
if (flags & TEXTURE_DEPTH)
|
||||
texel_type = pixel_type = GL_DEPTH_COMPONENT; // GL_DEPTH_COMPONENT32
|
||||
|
||||
if (flags & TEXTURE_REPEAT)
|
||||
wrap = GL_REPEAT;
|
||||
if (flags & TEXTURE_BORDER)
|
||||
wrap = GL_CLAMP_TO_BORDER;
|
||||
if (flags & TEXTURE_LINEAR)
|
||||
min_filter = GL_LINEAR, mag_filter = GL_LINEAR;
|
||||
if (flags & TEXTURE_MIPMAPS)
|
||||
min_filter = flags & TEXTURE_LINEAR ? GL_LINEAR_MIPMAP_LINEAR : GL_NEAREST_MIPMAP_LINEAR; // : GL_LINEAR_MIPMAP_NEAREST; maybe?
|
||||
if (flags & TEXTURE_MIPMAPS)
|
||||
mag_filter = flags & TEXTURE_LINEAR ? GL_LINEAR : GL_NEAREST;
|
||||
*/
|
||||
|
||||
#if 0
|
||||
if( 0 ) { // flags & TEXTURE_PREMULTIPLY_ALPHA )
|
||||
uint8_t *p = pixels;
|
||||
if(n == 2) for( unsigned i = 0; i < 2*w*h; i += 2 ) {
|
||||
p[i] = (p[i] * p[i+1] + 128) >> 8;
|
||||
}
|
||||
if(n == 4) for( unsigned i = 0; i < 4*w*h; i += 4 ) {
|
||||
p[i+0] = (p[i+0] * p[i+3] + 128) >> 8;
|
||||
p[i+1] = (p[i+1] * p[i+3] + 128) >> 8;
|
||||
p[i+2] = (p[i+2] * p[i+3] + 128) >> 8;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
SDL_Surface *img = SDL_LoadBMP(file_name);
|
||||
//GLenum texture_type = t->flags & TEXTURE_ARRAY ? GL_TEXTURE_2D_ARRAY : GL_TEXTURE_2D; // @fixme: test GL_TEXTURE_2D_ARRAY
|
||||
GLenum texture_type = GL_TEXTURE_2D; // @fixme: test GL_TEXTURE_2D_ARRAY
|
||||
|
||||
if (!img) {
|
||||
printf("Couldn't load %s.\n", file_name);
|
||||
} else {
|
||||
image = SDL_ConvertSurfaceFormat(img, SDL_PIXELFORMAT_RGBA32, 0);
|
||||
SDL_FreeSurface(img);
|
||||
//glPixelStorei( GL_UNPACK_ALIGNMENT, n < 4 ? 1 : 4 ); // for framebuffer reading
|
||||
//glActiveTexture(GL_TEXTURE0 + (flags&7));
|
||||
glBindTexture(texture_type, texture);
|
||||
glTexImage2D(texture_type, 0, texel_type, w, h, 0, pixel_type, pixel_storage, pixels);
|
||||
glTexParameteri(texture_type, GL_TEXTURE_WRAP_S, wrap);
|
||||
glTexParameteri(texture_type, GL_TEXTURE_WRAP_T, wrap);
|
||||
glTexParameteri(texture_type, GL_TEXTURE_MIN_FILTER, min_filter);
|
||||
glTexParameteri(texture_type, GL_TEXTURE_MAG_FILTER, mag_filter);
|
||||
#if 0 // only for sampler2DShadow
|
||||
if( flags & TEXTURE_DEPTH ) glTexParameteri(texture_type, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE);
|
||||
if( flags & TEXTURE_DEPTH ) glTexParameteri(texture_type, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL);
|
||||
#endif
|
||||
// if( flags & TEXTURE_BORDER ) glTexParameterfv(texture_type, GL_TEXTURE_BORDER_COLOR, border_color);
|
||||
/*
|
||||
if (flags & TEXTURE_MIPMAPS)
|
||||
glGenerateMipmap(texture_type);
|
||||
|
||||
glGenTextures(1, &texture);
|
||||
glBindTexture(GL_TEXTURE_2D, texture);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, format, image->w, image->h, 0, internal_components, GL_UNSIGNED_BYTE, image->pixels);
|
||||
apply_filter();
|
||||
}
|
||||
if (flags & TEXTURE_MIPMAPS) {
|
||||
GLfloat max_aniso = 0;
|
||||
// glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY, &max_aniso);
|
||||
max_aniso = 4;
|
||||
// glTexParameterf(texture_type, GL_TEXTURE_MAX_ANISOTROPY, max_aniso);
|
||||
}
|
||||
|
||||
*/
|
||||
|
||||
// glBindTexture(texture_type, 0); // do not unbind. current code expects texture to be bound at function exit
|
||||
/*
|
||||
t->w = w;
|
||||
t->h = h;
|
||||
t->n = n;
|
||||
t->flags = flags;
|
||||
t->filename = t->filename ? t->filename : "";
|
||||
*/
|
||||
}
|
||||
|
||||
void Texture::apply_filter() {
|
||||
GLint params = GL_NEAREST;
|
||||
GLint params = GL_NEAREST;
|
||||
|
||||
if (filter == TEXTURE_FILTER_LINEAR) {
|
||||
params = GL_LINEAR;
|
||||
}
|
||||
if (filter == TEXTURE_FILTER_LINEAR) {
|
||||
params = GL_LINEAR;
|
||||
}
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, texture);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, params);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, params);
|
||||
glBindTexture(GL_TEXTURE_2D, texture);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, params);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, params);
|
||||
}
|
||||
|
||||
Texture::Texture() {
|
||||
filter = TEXTURE_FILTER_NEAREST;
|
||||
texture = 0;
|
||||
image = NULL;
|
||||
filter = TEXTURE_FILTER_NEAREST;
|
||||
texture = 0;
|
||||
pixels = NULL;
|
||||
}
|
||||
|
||||
Texture::~Texture() {
|
||||
if (image) {
|
||||
SDL_FreeSurface(image);
|
||||
if (pixels) {
|
||||
//todo
|
||||
//delete (pixels);
|
||||
|
||||
glDeleteTextures(1, &texture);
|
||||
}
|
||||
glDeleteTextures(1, &texture);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,24 +1,45 @@
|
||||
#ifndef TEXTURE_H
|
||||
#define TEXTURE_H
|
||||
|
||||
#include <SDL.h>
|
||||
#include "3rd_glad.h"
|
||||
|
||||
class Texture {
|
||||
public:
|
||||
enum TextureFilter {
|
||||
TEXTURE_FILTER_NEAREST = 0,
|
||||
TEXTURE_FILTER_LINEAR,
|
||||
};
|
||||
enum TextureFilter {
|
||||
TEXTURE_FILTER_NEAREST = 0,
|
||||
TEXTURE_FILTER_LINEAR,
|
||||
};
|
||||
|
||||
void load_image(const char * file_name, const int format = GL_RGBA, const int internal_components = GL_RGBA);
|
||||
void apply_filter();
|
||||
void load_image(const char *file_name, const int format = GL_RGBA, const int internal_components = GL_RGBA);
|
||||
void apply_filter();
|
||||
|
||||
TextureFilter filter;
|
||||
GLuint texture;
|
||||
SDL_Surface *image;
|
||||
TextureFilter filter;
|
||||
GLuint texture;
|
||||
|
||||
Texture();
|
||||
virtual ~Texture();
|
||||
// from fwk, temporary
|
||||
union {
|
||||
int x, w;
|
||||
};
|
||||
union {
|
||||
int y, h;
|
||||
};
|
||||
union {
|
||||
int n, comps;
|
||||
};
|
||||
union {
|
||||
void *pixels;
|
||||
uint8_t *pixels8;
|
||||
uint16_t *pixels16;
|
||||
uint32_t *pixels32;
|
||||
float *pixelsf;
|
||||
};
|
||||
|
||||
// From FWK
|
||||
void image_data_load(const char *file_name, int flags);
|
||||
void texture_update(int flags);
|
||||
|
||||
Texture();
|
||||
virtual ~Texture();
|
||||
};
|
||||
|
||||
#endif // TEXTURE_H
|
||||
|
||||
@ -4,8 +4,8 @@
|
||||
#include "material.h"
|
||||
#include "texture.h"
|
||||
|
||||
#include "./libs/glm/vec4.hpp"
|
||||
#include "./libs/glm/gtc/type_ptr.hpp"
|
||||
#include "../../libs/glm/vec4.hpp"
|
||||
#include "../../libs/glm/gtc/type_ptr.hpp"
|
||||
|
||||
#include "camera.h"
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user