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Zoom WIP

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This commit is contained in:
Simon Robertshaw
2011-10-22 10:45:44 +01:00
parent 7ed4ad2fd8
commit 5b4aeaed01
1 changed files with 42 additions and 1 deletions
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43
src/graphics.c
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@@ -27,7 +27,7 @@ unsigned cmode = CM_FIRE;
SDL_Surface *sdl_scrn; SDL_Surface *sdl_scrn;
int sdl_scale = 1; int sdl_scale = 1;
GLuint vidBuf, airBuf, fireAlpha, glowAlpha, blurAlpha, fireProg, partsFboTex, partsFbo, lensProg, partsTFX, partsTFY; GLuint zoomTex, vidBuf, airBuf, fireAlpha, glowAlpha, blurAlpha, fireProg, partsFboTex, partsFbo, lensProg, partsTFX, partsTFY;
int sandcolour_r = 0; int sandcolour_r = 0;
int sandcolour_g = 0; int sandcolour_g = 0;
@@ -2674,6 +2674,34 @@ void dim_copy_pers(pixel *dst, pixel *src) //for persistent view, reduces rgb sl
void render_zoom(pixel *img) //draws the zoom box void render_zoom(pixel *img) //draws the zoom box
{ {
#ifdef OGLR
glEnable( GL_TEXTURE_2D );
glReadBuffer(GL_AUX0);
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glCopyTexSubImage2D(GL_TEXTURE_2D,
0,
20,
20,
30,
30,
50,
50);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2d(1, 1);
glVertex3f(zoom_wx+ZSIZE*ZFACTOR, YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR), 1.0);
glTexCoord2d(0, 1);
glVertex3f(zoom_wx, YRES+MENUSIZE-(zoom_wy+ZSIZE*ZFACTOR), 1.0);
glTexCoord2d(0, 0);
glVertex3f(zoom_wx, YRES+MENUSIZE-zoom_wy, 1.0);
glTexCoord2d(1, 0);
glVertex3f(zoom_wx+ZSIZE*ZFACTOR, YRES+MENUSIZE-zoom_wy, 1.0);
glEnd();
glDisable( GL_TEXTURE_2D );
#else
int x, y, i, j; int x, y, i, j;
pixel pix; pixel pix;
drawrect(img, zoom_wx-2, zoom_wy-2, ZSIZE*ZFACTOR+2, ZSIZE*ZFACTOR+2, 192, 192, 192, 255); drawrect(img, zoom_wx-2, zoom_wy-2, ZSIZE*ZFACTOR+2, ZSIZE*ZFACTOR+2, 192, 192, 192, 255);
@@ -2700,6 +2728,7 @@ void render_zoom(pixel *img) //draws the zoom box
xor_pixel(zoom_x+ZSIZE, zoom_y+j, img); xor_pixel(zoom_x+ZSIZE, zoom_y+j, img);
} }
} }
#endif
} }
//gets the thumbnail preview for stamps //gets the thumbnail preview for stamps
@@ -3126,6 +3155,18 @@ int sdl_open(void)
glBindTexture(GL_TEXTURE_2D, 0); glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
//Zoom texture
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &zoomTex);
glBindTexture(GL_TEXTURE_2D, zoomTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Texture for velocity maps for gravity //Texture for velocity maps for gravity
glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &partsTFX); glGenTextures(1, &partsTFX);