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Fixes in GLES configuration selection.

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This commit is contained in:
Mike Gorchak
2009-10-22 06:09:03 +00:00
parent abdd5571be
commit a53104f750
1 changed files with 35 additions and 8 deletions
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43
src/video/qnxgf/SDL_qnxgf.c
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@@ -1463,15 +1463,21 @@ qnxgf_gl_createcontext(_THIS, SDL_Window * window)
} else {
wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
}
wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE;
wdata->gles_attributes[attr_pos++] = _this->gl_config.depth_size;
if (_this->gl_config.depth_size) {
wdata->gles_attributes[attr_pos++] = _this->gl_config.depth_size;
} else {
wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE;
}
if (_this->gl_config.buffer_size) {
wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE;
wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size;
}
if (_this->gl_config.stencil_size) {
wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE;
wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size;
wdata->gles_attributes[attr_pos++] = _this->gl_config.stencil_size;
}
/* Set number of samples in multisampling */
@@ -1586,6 +1592,8 @@ qnxgf_gl_createcontext(_THIS, SDL_Window * window)
for (cit = 0; cit < configs; cit++) {
uint32_t stencil_found;
uint32_t depth_found;
EGLint cur_depth;
EGLint cur_stencil;
stencil_found = 0;
depth_found = 0;
@@ -1594,7 +1602,7 @@ qnxgf_gl_createcontext(_THIS, SDL_Window * window)
status =
eglGetConfigAttrib(gfdata->egldisplay,
wdata->gles_configs[cit], EGL_STENCIL_SIZE,
&attr_value);
&cur_stencil);
if (status == EGL_TRUE) {
if (attr_value != 0) {
stencil_found = 1;
@@ -1608,7 +1616,7 @@ qnxgf_gl_createcontext(_THIS, SDL_Window * window)
status =
eglGetConfigAttrib(gfdata->egldisplay,
wdata->gles_configs[cit], EGL_DEPTH_SIZE,
&attr_value);
&cur_depth);
if (status == EGL_TRUE) {
if (attr_value != 0) {
depth_found = 1;
@@ -1620,15 +1628,34 @@ qnxgf_gl_createcontext(_THIS, SDL_Window * window)
/* Exit from loop if found appropriate configuration */
if ((depth_found != 0) && (stencil_found != 0)) {
break;
/* Store last satisfied configuration id */
wdata->gles_config = cit;
if (cur_depth==_this->gl_config.depth_size)
{
/* Exact match on depth bits */
if (!_this->gl_config.stencil_size)
{
/* Stencil is not required */
break;
}
else
{
if (cur_stencil==_this->gl_config.stencil_size)
{
/* Exact match on stencil bits */
break;
}
}
}
}
}
/* If best could not be found, use first */
if (cit == configs) {
/* If best could not be found, use first or last satisfied */
if ((cit == configs) && (wdata->gles_config==0)) {
cit = 0;
wdata->gles_config = cit;
}
wdata->gles_config = cit;
/* Create OpenGL ES context */
wdata->gles_context =