diff options
Diffstat (limited to 'opengl.c')
| -rw-r--r-- | opengl.c | 87 |
1 files changed, 87 insertions, 0 deletions
@@ -719,6 +719,10 @@ glx_paint_pre(session_t *ps, XserverRegion *preg) { glx_set_clip(ps, *preg, NULL); +#ifdef DEBUG_GLX_PAINTREG + glx_render_color(ps, 0, 0, ps->root_width, ps->root_height, 0, *preg, NULL); +#endif + #ifdef DEBUG_GLX_ERR glx_check_err(ps); #endif @@ -1003,6 +1007,11 @@ glx_render(session_t *ps, const glx_texture_t *ptex, return false; } +#ifdef DEBUG_GLX_PAINTREG + glx_render_dots(ps, dx, dy, width, height, z, reg_tgt, pcache_reg); + return true; +#endif + const bool argb = (GLX_TEXTURE_FORMAT_RGBA_EXT == ps->glx_fbconfigs[ptex->depth]->texture_fmt); bool dual_texture = false; @@ -1186,6 +1195,84 @@ glx_render(session_t *ps, const glx_texture_t *ptex, } /** + * Render a region with color. + */ +static void +glx_render_color(session_t *ps, int dx, int dy, int width, int height, int z, + XserverRegion reg_tgt, const reg_data_t *pcache_reg) { + static int color = 0; + + color = color % (3 * 3 * 3 - 1) + 1; + glColor4f(1.0 / 3.0 * (color / (3 * 3)), + 1.0 / 3.0 * (color % (3 * 3) / 3), + 1.0 / 3.0 * (color % 3), + 1.0f + ); + z -= 0.2; + + { + P_PAINTREG_START(); + { + GLint rdx = crect.x; + GLint rdy = ps->root_height - crect.y; + GLint rdxe = rdx + crect.width; + GLint rdye = rdy - crect.height; + + glVertex3i(rdx, rdy, z); + glVertex3i(rdxe, rdy, z); + glVertex3i(rdxe, rdye, z); + glVertex3i(rdx, rdye, z); + } + P_PAINTREG_END(); + } + glColor4f(0.0f, 0.0f, 0.0f, 0.0f); + +#ifdef DEBUG_GLX_ERR + glx_check_err(ps); +#endif +} + +/** + * Render a region with dots. + */ +static void +glx_render_dots(session_t *ps, int dx, int dy, int width, int height, int z, + XserverRegion reg_tgt, const reg_data_t *pcache_reg) { + glColor4f(0.0f, 0.0f, 0.0f, 1.0f); + z -= 0.1; + + { + P_PAINTREG_START(); + { + static const GLint BLK_WID = 5, BLK_HEI = 5; + + glEnd(); + glPointSize(1.0); + glBegin(GL_POINTS); + + GLint rdx = crect.x; + GLint rdy = ps->root_height - crect.y; + GLint rdxe = rdx + crect.width; + GLint rdye = rdy - crect.height; + rdx = (rdx) / BLK_WID * BLK_WID; + rdy = (rdy) / BLK_HEI * BLK_HEI; + rdxe = (rdxe) / BLK_WID * BLK_WID; + rdye = (rdye) / BLK_HEI * BLK_HEI; + + for (GLint cdx = rdx; cdx < rdxe; cdx += BLK_WID) + for (GLint cdy = rdy; cdy > rdye; cdy -= BLK_HEI) + glVertex3i(cdx + BLK_WID / 2, cdy - BLK_HEI / 2, z); + } + P_PAINTREG_END(); + } + glColor4f(0.0f, 0.0f, 0.0f, 0.0f); + +#ifdef DEBUG_GLX_ERR + glx_check_err(ps); +#endif +} + +/** * Swap buffer with glXCopySubBufferMESA(). */ void |