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GUI: render backend recovery, part 6

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untested OpenGL implementation
This commit is contained in:
tildearrow 2023-07-02 15:10:26 -05:00
parent c49c052ca0
commit 7505915479
2 changed files with 19 additions and 1 deletions
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17
src/gui/render/renderGL.cpp
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@ -51,6 +51,10 @@ PFNGLGETUNIFORMLOCATIONPROC furGetUniformLocation=NULL;
PFNGLUNIFORM1FPROC furUniform1f=NULL;
PFNGLGETSHADERINFOLOGPROC furGetShaderInfoLog=NULL;
#ifndef USE_GLES
PFNGLGETGRAPHICSRESETSTATUSARBPROC furGetGraphicsResetStatusARB=NULL;
#endif
class FurnaceGLTexture: public FurnaceGUITexture {
public:
GLuint id;
@ -359,6 +363,9 @@ bool FurnaceGUIRenderGL::init(SDL_Window* win) {
LOAD_PROC_OPTIONAL(furUniform1f,PFNGLUNIFORM1FPROC,"glUniform1f");
LOAD_PROC_OPTIONAL(furGetShaderInfoLog,PFNGLGETSHADERINFOLOGPROC,"glGetShaderInfoLog");
#ifndef USE_GLES
LOAD_PROC_OPTIONAL(furGetGraphicsResetStatusARB,PFNGLGETGRAPHICSRESETSTATUSARBPROC,"glGetGraphicsResetStatusARB");
#endif
if (createShader(sh_wipe_srcV,sh_wipe_srcF,sh_wipe_vertex,sh_wipe_fragment,sh_wipe_program)) {
sh_wipe_uAlpha=furGetUniformLocation(sh_wipe_program,"uAlpha");
@ -383,3 +390,13 @@ bool FurnaceGUIRenderGL::quit() {
void FurnaceGUIRenderGL::quitGUI() {
ImGui_ImplOpenGL3_Shutdown();
}
bool FurnaceGUIRenderGL::isDead() {
#ifndef USE_GLES
if (furGetGraphicsResetStatusARB==NULL) return false;
return (furGetGraphicsResetStatusARB()!=GL_NO_ERROR);
#else
// handled by SDL... I think
return false;
#endif
}

3
src/gui/render/renderGL.h
View file

@ -57,9 +57,10 @@ class FurnaceGUIRenderGL: public FurnaceGUIRender {
void initGUI(SDL_Window* win);
void quitGUI();
bool quit();
bool isDead();
FurnaceGUIRenderGL():
context(NULL),
sdlWin(NULL) {
memset(quadVertex,0,4*3*sizeof(float));
}
};
};