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OpenGLを使用してみる

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This commit is contained in:
otya128
2015-08-18 17:45:21 +09:00
parent 5dff13b64f
commit 4447035520
2 changed files with 138 additions and 5 deletions
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2
SMILEBASIC/SMILEBASIC.visualdproj
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@@ -89,7 +89,7 @@
<cv2pdbOptions />
<objfiles />
<linkswitches />
<libfiles>DerelictSDL2.lib;DerelictUtil.lib</libfiles>
<libfiles>DerelictSDL2.lib;DerelictUtil.lib;DerelictGL3.lib</libfiles>
<libpaths>$(DMDInstallDir)windows\lib\</libpaths>
<deffile />
<resfile />

141
SMILEBASIC/petitcomputer.d
View File

@@ -1,6 +1,7 @@
module otya.smilebasic.petitcomputer;
import derelict.sdl2.sdl;
import derelict.sdl2.image;
import derelict.opengl3.gl;
import std.net.curl;
import std.file;
import std.stdio;
@@ -17,9 +18,42 @@ class GraphicPage
{
surface = s;
}
GLuint glTexture;
void createTexture(SDL_Renderer* renderer)
{
texture = SDL_CreateTextureFromSurface(renderer, surface);
ubyte r,g,b,a;
SDL_GetRGBA(*cast(uint*)surface.pixels, surface.format, &r, &g, &b, &a);
GLenum texture_format;
GLint nOfColors;
nOfColors = surface.format.BytesPerPixel;
if (nOfColors == 4) // contains an alpha channel
{
if (surface.format.Rmask == 0x000000ff)
texture_format = GL_RGBA;
else
texture_format = GL_BGRA;
} else if (nOfColors == 3) // no alpha channel
{
if (surface.format.Rmask == 0x000000ff)
texture_format = GL_RGB;
else
texture_format = GL_BGR;
} else {
//printf("warning: the image is not truecolor.. this will probably break\n");
// this error should not go unhandled
}
// Have OpenGL generate a texture object handle for us
glGenTextures( 1, &glTexture );
// Bind the texture object
glBindTexture( GL_TEXTURE_2D, glTexture );
// Set the texture's stretching properties
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
// Edit the texture object's image data using the information SDL_Surface gives us
glTexImage2D( GL_TEXTURE_2D, 0, nOfColors, surface.w, surface.h, 0,
texture_format, GL_UNSIGNED_BYTE, surface.pixels );
}
}
class PetitComputer
@@ -77,6 +111,13 @@ class PetitComputer
GraphicPage[][] GRPFColorFore;
SDL_Surface* s8x8;
SDL_Texture* t8x8;
SDL_Surface* createSurfaceFromFile(string file)
{
SDL_RWops* stream = SDL_RWFromFile(toStringz(file), toStringz("rb"));
auto surfacesrc = IMG_LoadPNG_RW(stream);
SDL_RWclose(stream);
return surfacesrc;
}
//PNG画像から透過色のpixelを指定して透過しGRPを作る
GraphicPage createGraphicPage(string file, int pixel)
{
@@ -88,13 +129,59 @@ class PetitComputer
rect.y = 0;
rect.w = surfacesrc.w;
rect.h = surfacesrc.h;
SDL_SetColorKey(surfacesrc, SDL_TRUE, (cast(uint*)surface.pixels)[pixel]);
int i = SDL_BlitSurface(surfacesrc, &rect, surface, &rect);
SDL_SetColorKey(surface, SDL_TRUE, (cast(uint*)surface.pixels)[pixel]);
auto grp = new GraphicPage(surface);
SDL_FreeSurface(surfacesrc);
SDL_RWclose(stream);
return grp;
}
GraphicPage createGRPF(string file)
{
SDL_RWops* stream = SDL_RWFromFile(toStringz(file), toStringz("rb"));
auto src = IMG_LoadPNG_RW(stream);
SDL_Surface* surface = SDL_CreateRGBSurface(0, src.w, src.h, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0xFF);
SDL_Rect rect;
rect.x = 0;
rect.y = 0;
rect.w = src.w;
rect.h = src.h;
// SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_BLEND);
// SDL_SetSurfaceBlendMode(src, SDL_BLENDMODE_BLEND);
SDL_SetColorKey(src, SDL_TRUE, (cast(uint*)src.pixels)[0]);
SDL_SetColorKey(surface, SDL_TRUE, (cast(uint*)src.pixels)[0]);
int i = SDL_BlitSurface(src, &rect, surface, &rect);
auto srcpixels = (cast(uint*)src.pixels);
auto pixels = (cast(uint*)surface.pixels);
auto aaa = surface.format.Amask;
//surface.format.Amask = 0xFF;
/+for(int x = 0; x < src.w; x++)
{
for(int y = 0; y < src.h; y++)
{
ubyte r, g, b, a;
write(x,y, ',');
SDL_GetRGBA(*pixels, surface.format, &r, &g, &b, &a);
if(r == 158 && g == 0 && b == 93)
{
r = 0;
g = 0;
b = 0;
a = 0;
*pixels = 0;
*pixels = SDL_MapRGBA(surface.format, r, g, b, a);
}/+
else
*pixels = SDL_MapRGBA(surface.format, r, g, b, a);
+/ubyte _r, _g, _b, _a;
SDL_GetRGBA(*pixels, surface.format, &_r, &_g, &_b, &_a);
pixels++;
}
}+/
SDL_RWclose(stream);
SDL_FreeSurface(src);
return new GraphicPage(surface);
}
GraphicPage createGRPF(int color, SDL_Surface *src)
{
SDL_Surface* surface = SDL_CreateRGBSurface(0, src.w, src.h, 32, 0, 0, 0, 0);
@@ -213,6 +300,7 @@ class PetitComputer
{
DerelictSDL2.load();
DerelictSDL2Image.load();
DerelictGL.load();
if(!exists(resourcePath))
{
writeln("create ./resources");
@@ -224,7 +312,7 @@ class PetitComputer
download("http://smileboom.com/special/ptcm3/download/unicode/image/res_font_table-320.png",
fontFile);
}
GRPF = createGraphicPage(fontFile, 0);
GRPF = createGRPF(fontFile);//createGraphicPage(fontFile, 0);
s8x8 = SDL_CreateRGBSurface(0, 8, 8, 32, 0, 0, 0, 0);
auto pixels = (cast(uint*)s8x8.pixels);
for(int x = 0; x < 8; x++)
@@ -309,11 +397,12 @@ class PetitComputer
bool renderprofile;
try
{
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
window = SDL_CreateWindow("SMILEBASIC", SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED, 400, 240,
SDL_WINDOW_SHOWN);
/*SDL_WINDOW_SHOWN | */SDL_WINDOW_OPENGL);
renderer = SDL_CreateRenderer(window, -1, 0);
GRPF.createTexture(renderer);
/*for(int i = 0; i < GRPFColor.length; i++)
{
GRPFColor[i].createTexture(renderer);
@@ -321,8 +410,52 @@ class PetitComputer
t8x8 = SDL_CreateTextureFromSurface(renderer, s8x8);
write("OK!");
SDL_Event event;
SDL_GLContext context;
context = SDL_GL_CreateContext(window);
GRPF.createTexture(renderer);
if (!context) return;
//glViewport(0, 0, 400, 240);
glClearColor(0.0f, 1.0f, 0.0f, 0.0f);
glEnable(GL_DEPTH_TEST);
while(true)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_TEXTURE_2D);
GLenum aa = glGetError();
glBindTexture( GL_TEXTURE_2D, GRPF.glTexture );
//glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glAlphaFunc(GL_GEQUAL, 0.5);
glEnable(GL_ALPHA_TEST);
aa = glGetError();
glBegin(GL_QUADS);
glTexCoord2f(1-0 , 1-0); glVertex2f(512/200f - 1, 1 - 512/120f);
glTexCoord2f(1-0 , 1-1); glVertex2f(512/200f - 1, 1);
glTexCoord2f(1-1 , 1-1); glVertex2f(-1, 1);
glTexCoord2f(1-1 , 1-0); glVertex2f(-1, 1 - 512/120f);
glEnd(); glFlush();
SDL_GL_SwapWindow(window);
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_QUIT:
SDL_DestroyWindow(window);
SDL_Quit();
return;
case SDL_KEYDOWN:
auto key = event.key.keysym.sym;
keybuffer[keybufferpos] = cast(wchar)key;
keybufferpos = (keybufferpos + 1) % keybuffer.length;
break;
default:
break;
}
}
continue;
auto profile = SDL_GetTicks();
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);