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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4502 | Serge | 1 | #include |
| 2 | #include |
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| 3 | #include |
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| 4 | |||
| 5 | #include "render.h" |
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| 6 | #include |
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| 7 | |||
| 8 | void render_swap_and_blit(struct render *render) |
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| 9 | { |
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| 10 | char proc_info[1024]; |
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| 11 | |||
| 12 | EGLContext context; |
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| 13 | EGLSurface draw, read; |
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| 14 | int winx, winy; |
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| 15 | |||
| 16 | float dst_xscale, dst_yscale; |
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| 17 | float *vertices = render->vertices; |
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| 18 | float *texcoords = render->texcoords; |
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| 19 | int r, b; |
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| 20 | |||
| 21 | if(render == NULL) |
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| 22 | return; |
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| 23 | |||
| 24 | get_proc_info(proc_info); |
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| 25 | |||
| 26 | winx = *(uint32_t*)(proc_info+34); |
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| 27 | winy = *(uint32_t*)(proc_info+38); |
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| 28 | |||
| 29 | context = eglGetCurrentContext(); |
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| 30 | draw = eglGetCurrentSurface(EGL_DRAW); |
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| 31 | read = eglGetCurrentSurface(EGL_READ); |
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| 32 | |||
| 33 | eglSwapBuffers(render->dpy,draw); |
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| 34 | |||
| 35 | if (!eglMakeCurrent(render->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, render->context)) |
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| 36 | { |
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| 37 | printf("failed to make window current"); |
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| 38 | goto err1; |
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| 39 | }; |
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| 40 | |||
| 4517 | Serge | 41 | #if 0 |
| 4502 | Serge | 42 | glUseProgram(render->blit_prog); |
| 43 | glUniform1i(render->sampler, 0); |
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| 44 | |||
| 45 | glVertexAttribPointer(0, 2, GL_FLOAT,GL_FALSE, 2 * sizeof(float),render->vertices); |
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| 46 | glEnableVertexAttribArray(0); |
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| 47 | |||
| 4517 | Serge | 48 | glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(float),render->texcoords); |
| 49 | glEnableVertexAttribArray(1); |
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| 50 | |||
| 51 | #endif |
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| 52 | |||
| 4502 | Serge | 53 | glActiveTexture(GL_TEXTURE0); |
| 54 | glBindTexture(GL_TEXTURE_2D, render->tx_buffers[render->back_buffer]); |
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| 55 | glTexParameteri(GL_TEXTURE_2D, |
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| 56 | GL_TEXTURE_MIN_FILTER, |
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| 57 | GL_NEAREST); |
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| 58 | glTexParameteri(GL_TEXTURE_2D, |
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| 59 | GL_TEXTURE_MAG_FILTER, |
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| 60 | GL_NEAREST); |
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| 61 | |||
| 62 | dst_xscale = 1.0/render->scr_width; |
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| 63 | dst_yscale = 1.0/render->scr_height; |
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| 64 | |||
| 65 | r = winx + render->dx + render->width; |
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| 66 | b = winy + render->dy + render->height; |
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| 67 | |||
| 68 | float t0, t1, t2, t5; |
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| 69 | |||
| 70 | vertices[0] = t0 = 2*(winx+render->dx)*dst_xscale - 1.0; |
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| 71 | vertices[1 * 2] = t2 = 2*r*dst_xscale - 1.0; |
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| 72 | |||
| 73 | vertices[2 * 2] = t2; |
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| 74 | vertices[3 * 2] = t0; |
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| 75 | |||
| 76 | vertices[1] = t1 = 2*(winy+render->dy)*dst_yscale - 1.0; |
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| 77 | vertices[2*2+1] = t5 = 2*b*dst_yscale - 1.0; |
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| 78 | vertices[1*2+1] = t1; |
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| 79 | vertices[3*2+1] = t5; |
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| 80 | |||
| 81 | texcoords[0] = 0.0; |
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| 82 | texcoords[1] = 0.0; |
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| 83 | texcoords[1*2] = 1.0; |
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| 84 | texcoords[1*2+1]= 0.0; |
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| 85 | texcoords[2*2] = 1.0; |
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| 86 | texcoords[2*2+1]= 1.0; |
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| 87 | texcoords[3*2] = 0.0; |
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| 88 | texcoords[3*2+1]= 1.0; |
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| 89 | |||
| 90 | glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
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| 91 | |||
| 4517 | Serge | 92 | // glDisableVertexAttribArray(0); |
| 93 | // glDisableVertexAttribArray(1); |
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| 94 | // glDisable(GL_TEXTURE_2D); |
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| 95 | // glUseProgram(0); |
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| 4502 | Serge | 96 | |
| 97 | render->back_buffer++; |
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| 98 | render->back_buffer&=1; |
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| 99 | |||
| 100 | err1: |
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| 101 | eglMakeCurrent(render->dpy, draw, read, context); |
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| 102 | } |
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| 103 |