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Misc: Add DEBUG_GLX_PAINTREG

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- GLX: Add DEBUG_GLX_PAINTREG, for debugging painting region issues, for
  p4ddy's problem.
This commit is contained in:
Richard Grenville 2013-05-09 09:43:40 +08:00
parent 1c66237f99
commit 48fb54dfae
2 changed files with 95 additions and 0 deletions
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87
src/opengl.c
View File

@ -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;
@ -1185,6 +1194,84 @@ glx_render(session_t *ps, const glx_texture_t *ptex,
return true;
}
/**
* 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().
*/

8
src/opengl.h
View File

@ -132,3 +132,11 @@ glx_update_fbconfig(session_t *ps);
static int
glx_cmp_fbconfig(session_t *ps,
const glx_fbconfig_t *pfbc_a, const glx_fbconfig_t *pfbc_b);
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 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);