| 0,0 → 1,107 |
|---|
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "render.h" |
| #include <drm/i915_drm.h> |
| #include <kos32sys.h> |
| |
| #define WIN_STATE_MINIMIZED 0x02 |
| #define WIN_STATE_ROLLED 0x04 |
| |
| static int drm_ioctl(int fd, unsigned long request, void *arg) |
| { |
| ioctl_t io; |
| |
| io.handle = fd; |
| io.io_code = request; |
| io.input = arg; |
| io.inp_size = 64; |
| io.output = NULL; |
| io.out_size = 0; |
| |
| return call_service(&io); |
| } |
| |
| void render_swap_and_blit(struct render *render) |
| { |
| char proc_info[1024]; |
| struct drm_i915_mask_update update; |
| |
| EGLContext context; |
| EGLSurface draw, read; |
| uint32_t winx, winy, winw, winh; |
| uint8_t state; |
| float xscale, yscale; |
| float *vertices = render->vertices; |
| float *texcoords = render->tc_src; |
| int r, b; |
| |
| if(render == NULL) |
| return; |
| |
| get_proc_info(proc_info); |
| |
| winx = *(uint32_t*)(proc_info+34); |
| winy = *(uint32_t*)(proc_info+38); |
| winw = *(uint32_t*)(proc_info+42)+1; |
| winh = *(uint32_t*)(proc_info+46)+1; |
| state = *(uint8_t*)(proc_info+70); |
| |
| if(state & (WIN_STATE_MINIMIZED|WIN_STATE_ROLLED)) |
| return; |
| |
| context = eglGetCurrentContext(); |
| draw = eglGetCurrentSurface(EGL_DRAW); |
| read = eglGetCurrentSurface(EGL_READ); |
| |
| eglSwapBuffers(render->dpy,draw); |
| |
| render->back_buffer++; |
| render->back_buffer&=1; |
| |
| update.handle = render->mask_handle; |
| update.dx = render->dx; |
| update.dy = render->dy; |
| update.width = render->width; |
| update.height = render->height; |
| update.bo_pitch = (render->width+15) & ~15; |
| update.bo_map = (int)render->mask_buffer; |
| |
| if(drm_ioctl(render->fd, 45, &update)) |
| return; |
| |
| if (!eglMakeCurrent(render->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, render->context)) |
| { |
| printf("failed to make window current"); |
| goto err1; |
| }; |
| |
| glActiveTexture(GL_TEXTURE0); |
| glBindTexture(GL_TEXTURE_2D, render->tx_buffers[render->back_buffer]); |
| |
| xscale = 1.0/render->scr_width; |
| yscale = 1.0/render->scr_height; |
| |
| r = winx + render->dx + render->width; |
| b = winy + render->dy + render->height; |
| |
| float t0, t1, t2, t5; |
| |
| vertices[0] = t0 = 2*(winx+render->dx)*xscale - 1.0; |
| vertices[1 * 2] = t2 = 2*r*xscale - 1.0; |
| |
| vertices[2 * 2] = t2; |
| vertices[3 * 2] = t0; |
| |
| vertices[1] = t1 = 2*(winy+render->dy)*yscale - 1.0; |
| vertices[2*2+1] = t5 = 2*b*yscale - 1.0; |
| vertices[1*2+1] = t1; |
| vertices[3*2+1] = t5; |
| |
| glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
| |
| err1: |
| eglMakeCurrent(render->dpy, draw, read, context); |
| } |
| |