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Fixed EGLConfig nomenclature, simplified refresh.

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This commit is contained in:
Camilla Berglund 2012-07-20 18:04:43 +02:00
parent 0f4cdd5194
commit ea1506ba67
1 changed files with 41 additions and 59 deletions
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100
src/x11_egl_opengl.c
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@ -38,10 +38,10 @@
// Returns the specified attribute of the specified EGLConfig // Returns the specified attribute of the specified EGLConfig
//======================================================================== //========================================================================
static int getFBConfigAttrib(EGLConfig fbconfig, int attrib) static int getConfigAttrib(EGLConfig config, int attrib)
{ {
int value; int value;
eglGetConfigAttrib(_glfwLibrary.EGL.display, fbconfig, attrib, &value); eglGetConfigAttrib(_glfwLibrary.EGL.display, config, attrib, &value);
return value; return value;
} }
@ -54,7 +54,7 @@ static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig, const _GLFWwndconfig* wndconfig,
unsigned int* found) unsigned int* found)
{ {
EGLConfig* fbconfigs; EGLConfig* configs;
_GLFWfbconfig* result; _GLFWfbconfig* result;
int i, count = 0; int i, count = 0;
@ -62,17 +62,17 @@ static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window,
eglGetConfigs(_glfwLibrary.EGL.display, NULL, 0, &count); eglGetConfigs(_glfwLibrary.EGL.display, NULL, 0, &count);
fbconfigs = (EGLConfig*) malloc(sizeof(EGLConfig) * count); configs = (EGLConfig*) malloc(sizeof(EGLConfig) * count);
if (!fbconfigs) if (!configs)
{ {
_glfwSetError(GLFW_OUT_OF_MEMORY, NULL); _glfwSetError(GLFW_OUT_OF_MEMORY, NULL);
return NULL; return NULL;
} }
eglGetConfigs(_glfwLibrary.EGL.display, fbconfigs, count, &count); eglGetConfigs(_glfwLibrary.EGL.display, configs, count, &count);
if (!count) if (!count)
{ {
free(fbconfigs); free(configs);
_glfwSetError(GLFW_OPENGL_UNAVAILABLE, _glfwSetError(GLFW_OPENGL_UNAVAILABLE,
"X11/EGL: No EGLConfigs returned"); "X11/EGL: No EGLConfigs returned");
@ -82,7 +82,7 @@ static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window,
result = (_GLFWfbconfig*) malloc(sizeof(_GLFWfbconfig) * count); result = (_GLFWfbconfig*) malloc(sizeof(_GLFWfbconfig) * count);
if (!result) if (!result)
{ {
free(fbconfigs); free(configs);
_glfwSetError(GLFW_OUT_OF_MEMORY, NULL); _glfwSetError(GLFW_OUT_OF_MEMORY, NULL);
return NULL; return NULL;
@ -92,55 +92,54 @@ static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window,
{ {
_GLFWfbconfig* f = result + *found; _GLFWfbconfig* f = result + *found;
if (!getFBConfigAttrib(fbconfigs[i], EGL_NATIVE_VISUAL_ID)) if (!getConfigAttrib(configs[i], EGL_NATIVE_VISUAL_ID))
{ {
// Only consider EGLConfigs with associated visuals // Only consider EGLConfigs with associated visuals
continue; continue;
} }
if (!(getFBConfigAttrib(fbconfigs[i], if (!(getConfigAttrib(configs[i], EGL_COLOR_BUFFER_TYPE) & EGL_RGB_BUFFER))
EGL_COLOR_BUFFER_TYPE) & EGL_RGB_BUFFER))
{ {
// Only consider RGB(A) EGLConfigs // Only consider RGB(A) EGLConfigs
continue; continue;
} }
if (!(getFBConfigAttrib(fbconfigs[i], EGL_SURFACE_TYPE) & EGL_WINDOW_BIT)) if (!(getConfigAttrib(configs[i], EGL_SURFACE_TYPE) & EGL_WINDOW_BIT))
{ {
// Only consider window EGLConfigs // Only consider window EGLConfigs
continue; continue;
} }
if (!(getFBConfigAttrib(fbconfigs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES_BIT) && if (!(getConfigAttrib(configs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES_BIT) &&
!(getFBConfigAttrib(fbconfigs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT)) !(getConfigAttrib(configs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT))
{ {
// Only consider OpenGL ES context // Only consider OpenGL ES context
continue; continue;
} }
if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE && if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE &&
!(getFBConfigAttrib(fbconfigs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT)) !(getConfigAttrib(configs[i], EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT))
{ {
// User requested only OpenGL ES 2.0 context // User requested only OpenGL ES 2.0 context
continue; continue;
} }
f->redBits = getFBConfigAttrib(fbconfigs[i], EGL_RED_SIZE); f->redBits = getConfigAttrib(configs[i], EGL_RED_SIZE);
f->greenBits = getFBConfigAttrib(fbconfigs[i], EGL_GREEN_SIZE); f->greenBits = getConfigAttrib(configs[i], EGL_GREEN_SIZE);
f->blueBits = getFBConfigAttrib(fbconfigs[i], EGL_BLUE_SIZE); f->blueBits = getConfigAttrib(configs[i], EGL_BLUE_SIZE);
f->alphaBits = getFBConfigAttrib(fbconfigs[i], EGL_ALPHA_SIZE); f->alphaBits = getConfigAttrib(configs[i], EGL_ALPHA_SIZE);
f->depthBits = getFBConfigAttrib(fbconfigs[i], EGL_DEPTH_SIZE); f->depthBits = getConfigAttrib(configs[i], EGL_DEPTH_SIZE);
f->stencilBits = getFBConfigAttrib(fbconfigs[i], EGL_STENCIL_SIZE); f->stencilBits = getConfigAttrib(configs[i], EGL_STENCIL_SIZE);
f->samples = getFBConfigAttrib(fbconfigs[i], EGL_SAMPLES); f->samples = getConfigAttrib(configs[i], EGL_SAMPLES);
f->platformID = (GLFWintptr) getFBConfigAttrib(fbconfigs[i], EGL_CONFIG_ID); f->platformID = (GLFWintptr) getConfigAttrib(configs[i], EGL_CONFIG_ID);
(*found)++; (*found)++;
} }
free(fbconfigs); free(configs);
return result; return result;
} }
@ -149,37 +148,21 @@ static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window,
// Read back framebuffer parameters from the context // Read back framebuffer parameters from the context
//======================================================================== //========================================================================
static void refreshContextParams(_GLFWwindow* window, EGLint fbconfigID) static void refreshContextParams(_GLFWwindow* window)
{ {
EGLint count;
EGLConfig fbconfig;
int attribs[] = { EGL_CONFIG_ID, fbconfigID, EGL_NONE, EGL_NONE };
eglChooseConfig(_glfwLibrary.EGL.display, attribs, &fbconfig, 1, &count);
if (!count)
{
// This should never ever happen
// TODO: Flag this as an error and propagate up
_glfwSetError(GLFW_PLATFORM_ERROR, "X11/EGL: Cannot find known "
"EGLConfig by ID. This cannot "
"happen. Have a nice day.\n");
abort();
}
// There is no clear definition of an "accelerated" context on X11/EGL, and // There is no clear definition of an "accelerated" context on X11/EGL, and
// true sounds better than false, so we hardcode true here // true sounds better than false, so we hardcode true here
window->accelerated = GL_TRUE; window->accelerated = GL_TRUE;
window->redBits = getFBConfigAttrib(fbconfig, EGL_RED_SIZE); window->redBits = getConfigAttrib(window->EGL.config, EGL_RED_SIZE);
window->greenBits = getFBConfigAttrib(fbconfig, EGL_GREEN_SIZE); window->greenBits = getConfigAttrib(window->EGL.config, EGL_GREEN_SIZE);
window->blueBits = getFBConfigAttrib(fbconfig, EGL_BLUE_SIZE); window->blueBits = getConfigAttrib(window->EGL.config, EGL_BLUE_SIZE);
window->alphaBits = getFBConfigAttrib(fbconfig, EGL_ALPHA_SIZE); window->alphaBits = getConfigAttrib(window->EGL.config, EGL_ALPHA_SIZE);
window->depthBits = getFBConfigAttrib(fbconfig, EGL_DEPTH_SIZE); window->depthBits = getConfigAttrib(window->EGL.config, EGL_DEPTH_SIZE);
window->stencilBits = getFBConfigAttrib(fbconfig, EGL_STENCIL_SIZE); window->stencilBits = getConfigAttrib(window->EGL.config, EGL_STENCIL_SIZE);
window->samples = getFBConfigAttrib(fbconfig, EGL_SAMPLES); window->samples = getConfigAttrib(window->EGL.config, EGL_SAMPLES);
} }
@ -198,7 +181,7 @@ static int createContext(_GLFWwindow* window,
int attribs[40], visMask; int attribs[40], visMask;
EGLint count, index, visualID = 0; EGLint count, index, visualID = 0;
EGLint red_size, green_size, blue_size, alpha_size; EGLint red_size, green_size, blue_size, alpha_size;
EGLConfig fbconfig; EGLConfig config;
EGLContext share = NULL; EGLContext share = NULL;
XVisualInfo visTemplate; XVisualInfo visTemplate;
@ -212,7 +195,7 @@ static int createContext(_GLFWwindow* window,
setEGLattrib(attribs, index, EGL_CONFIG_ID, fbconfigID); setEGLattrib(attribs, index, EGL_CONFIG_ID, fbconfigID);
setEGLattrib(attribs, index, EGL_NONE, EGL_NONE); setEGLattrib(attribs, index, EGL_NONE, EGL_NONE);
eglChooseConfig(_glfwLibrary.EGL.display, attribs, &fbconfig, 1, &count); eglChooseConfig(_glfwLibrary.EGL.display, attribs, &config, 1, &count);
if (!count) if (!count)
{ {
_glfwSetError(GLFW_PLATFORM_ERROR, _glfwSetError(GLFW_PLATFORM_ERROR,
@ -224,7 +207,7 @@ static int createContext(_GLFWwindow* window,
// Retrieve the corresponding visual // Retrieve the corresponding visual
// NOTE: This is the only non-portable code in this file. // NOTE: This is the only non-portable code in this file.
// Maybe it would not hurt too much to add #ifdefs for different platforms? // Maybe it would not hurt too much to add #ifdefs for different platforms?
eglGetConfigAttrib(_glfwLibrary.EGL.display, fbconfig, EGL_NATIVE_VISUAL_ID, &visualID); eglGetConfigAttrib(_glfwLibrary.EGL.display, config, EGL_NATIVE_VISUAL_ID, &visualID);
// Init visual template // Init visual template
visTemplate.screen = _glfwLibrary.X11.screen; visTemplate.screen = _glfwLibrary.X11.screen;
@ -241,13 +224,13 @@ static int createContext(_GLFWwindow* window,
// some EGL drivers don't implement the EGL_NATIVE_VISUAL_ID // some EGL drivers don't implement the EGL_NATIVE_VISUAL_ID
// attribute, so attempt to find the closest match. // attribute, so attempt to find the closest match.
eglGetConfigAttrib(_glfwLibrary.EGL.display, fbconfig, eglGetConfigAttrib(_glfwLibrary.EGL.display, config,
EGL_RED_SIZE, &red_size); EGL_RED_SIZE, &red_size);
eglGetConfigAttrib(_glfwLibrary.EGL.display, fbconfig, eglGetConfigAttrib(_glfwLibrary.EGL.display, config,
EGL_GREEN_SIZE, &green_size); EGL_GREEN_SIZE, &green_size);
eglGetConfigAttrib(_glfwLibrary.EGL.display, fbconfig, eglGetConfigAttrib(_glfwLibrary.EGL.display, config,
EGL_BLUE_SIZE, &blue_size); EGL_BLUE_SIZE, &blue_size);
eglGetConfigAttrib(_glfwLibrary.EGL.display, fbconfig, eglGetConfigAttrib(_glfwLibrary.EGL.display, config,
EGL_ALPHA_SIZE, &alpha_size); EGL_ALPHA_SIZE, &alpha_size);
visTemplate.depth = red_size + green_size + blue_size + alpha_size; visTemplate.depth = red_size + green_size + blue_size + alpha_size;
@ -279,7 +262,7 @@ static int createContext(_GLFWwindow* window,
eglBindAPI(EGL_OPENGL_ES_API); eglBindAPI(EGL_OPENGL_ES_API);
window->EGL.context = eglCreateContext(_glfwLibrary.EGL.display, window->EGL.context = eglCreateContext(_glfwLibrary.EGL.display,
fbconfig, share, attribs); config, share, attribs);
if (window->EGL.context == EGL_NO_CONTEXT) if (window->EGL.context == EGL_NO_CONTEXT)
{ {
@ -290,9 +273,8 @@ static int createContext(_GLFWwindow* window,
return GL_FALSE; return GL_FALSE;
} }
window->EGL.config = fbconfig; window->EGL.config = config;
refreshContextParams(window);
refreshContextParams(window, fbconfigID);
return GL_TRUE; return GL_TRUE;
} }