Desktop OpenGL 1.X/2.X PSVita Support

shi-yan · Mar 31, 2022 · 8c542a3 · 8c542a3
1 parent 2c04df8
commit 8c542a3
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Showing 12 changed files with 290 additions and 71 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -2321,6 +2321,7 @@ elseif(VITA)
       check_include_file(gpu_es4/psp2_pvr_hint.h HAVE_PVR_H)
       if(HAVE_PVR_H)
         target_compile_definitions(sdl-build-options INTERFACE "-D__psp2__")
+        check_include_file(gl4esinit.h HAVE_GL4ES_H)
         set(SDL_VIDEO_OPENGL_EGL 1)
         set(HAVE_OPENGLES TRUE)
         set(SDL_VIDEO_OPENGL_ES 1)
@@ -2332,8 +2333,18 @@ elseif(VITA)
           libgpu_es4_ext_stub_weak
           libIMGEGL_stub_weak
         )
+
         set(HAVE_VITA_PVR ON)
         set(SDL_VIDEO_VITA_PVR 1)
+
+        if(HAVE_GL4ES_H)
+          set(HAVE_OPENGL TRUE)
+          set(SDL_VIDEO_OPENGL 1)
+          set(SDL_VIDEO_RENDER_OGL 1)
+          list(APPEND EXTRA_LIBS libGL_stub)
+          set(SDL_VIDEO_VITA_PVR_OGL 1)
+        endif()
+
       else()
         set(HAVE_VITA_PVR OFF)
       endif()

diff --git a/include/SDL_config.h.cmake b/include/SDL_config.h.cmake
@@ -520,6 +520,7 @@
 
 #cmakedefine SDL_VIDEO_VITA_PIB @SDL_VIDEO_VITA_PIB@
 #cmakedefine SDL_VIDEO_VITA_PVR @SDL_VIDEO_VITA_PVR@
+#cmakedefine SDL_VIDEO_VITA_PVR_OGL @SDL_VIDEO_VITA_PVR_OGL@
 
 #if !defined(__WIN32__) && !defined(__WINRT__)
 #  if !defined(_STDINT_H_) && !defined(_STDINT_H) && !defined(HAVE_STDINT_H) && !defined(_HAVE_STDINT_H)

diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c
@@ -30,6 +30,11 @@
 #include <OpenGL/OpenGL.h>
 #endif
 
+#ifdef __psp2__
+#include <GL/gl.h>
+#include <GL/glext.h>
+#endif
+
 /* To prevent unnecessary window recreation, 
  * these should match the defaults selected in SDL_GL_ResetAttributes 
  */
@@ -1733,6 +1738,7 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
     SDL_GL_GetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, &major);
     SDL_GL_GetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, &minor);
 
+#ifndef __psp2__
     window_flags = SDL_GetWindowFlags(window);
     if (!(window_flags & SDL_WINDOW_OPENGL) ||
         profile_mask == SDL_GL_CONTEXT_PROFILE_ES || major != RENDERER_CONTEXT_MAJOR || minor != RENDERER_CONTEXT_MINOR) {
@@ -1746,6 +1752,7 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
             goto error;
         }
     }
+#endif
 
     renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
     if (!renderer) {

diff --git a/src/video/SDL_egl.c b/src/video/SDL_egl.c
@@ -99,7 +99,7 @@
 #define DEFAULT_OGL_ES "libGLESv1_CM.so.1"
 #endif /* SDL_VIDEO_DRIVER_RPI */
 
-#if SDL_VIDEO_OPENGL
+#if SDL_VIDEO_OPENGL && !SDL_VIDEO_VITA_PVR_OGL
 #include "SDL_opengl.h"
 #endif
 
@@ -1062,7 +1062,7 @@ SDL_EGL_CreateContext(_THIS, EGLSurface egl_surface)
             if (SDL_GL_ExtensionSupported("GL_OES_surfaceless_context")) {
                 _this->gl_allow_no_surface = SDL_TRUE;
             }
-#if SDL_VIDEO_OPENGL
+#if SDL_VIDEO_OPENGL && !defined(SDL_VIDEO_DRIVER_VITA)
         } else {
             /* Desktop OpenGL supports it by default from version 3.0 on. */
             void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);

diff --git a/src/video/vita/SDL_vitagl_pvr.c b/src/video/vita/SDL_vitagl_pvr.c
@@ -20,11 +20,12 @@
 */
 #include "../../SDL_internal.h"
 
-#if SDL_VIDEO_DRIVER_VITA && SDL_VIDEO_VITA_PVR
+#if SDL_VIDEO_DRIVER_VITA && SDL_VIDEO_VITA_PVR && SDL_VIDEO_VITA_PVR_OGL
 #include <stdlib.h>
 #include <string.h>
 #include <psp2/kernel/modulemgr.h>
 #include <gpu_es4/psp2_pvr_hint.h>
+#include <gl4esinit.h>
 
 #include "SDL_error.h"
 #include "SDL_log.h"
@@ -34,6 +35,16 @@
 
 #define MAX_PATH 256 // vita limits are somehow wrong
 
+/* Defaults */
+int FB_WIDTH = 960;
+int FB_HEIGHT = 544;
+
+void getFBSize(int *width, int *height)
+{
+    *width = FB_WIDTH;
+    *height = FB_HEIGHT;
+}
+
 int
 VITA_GL_LoadLibrary(_THIS, const char *path)
 {
@@ -53,6 +64,9 @@ VITA_GL_LoadLibrary(_THIS, const char *path)
         sceKernelLoadStartModule("vs0:sys/external/libfios2.suprx", 0, NULL, 0, NULL, NULL);
         sceKernelLoadStartModule("vs0:sys/external/libc.suprx", 0, NULL, 0, NULL, NULL);
 
+        SDL_snprintf(target_path, MAX_PATH, "%s/%s", default_path, "libGL.suprx");
+        sceKernelLoadStartModule(target_path, 0, NULL, 0, NULL, NULL);
+
         SDL_snprintf(target_path, MAX_PATH, "%s/%s", default_path, "libgpu_es4_ext.suprx");
         sceKernelLoadStartModule(target_path, 0, NULL, 0, NULL, NULL);
 
@@ -74,30 +88,45 @@ VITA_GL_LoadLibrary(_THIS, const char *path)
 SDL_GLContext
 VITA_GL_CreateContext(_THIS, SDL_Window * window)
 {
-    return SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
-}
+    char gl_version[3];
+    SDL_GLContext context = NULL;
+    int temp_major = _this->gl_config.major_version;
+    int temp_minor = _this->gl_config.minor_version;
+    int temp_profile = _this->gl_config.profile_mask;
 
-int
-VITA_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
-{
-    if (window && context) {
-        return SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context);
-    } else {
-        return SDL_EGL_MakeCurrent(_this, NULL, NULL);
+    /* Set version to 2.1 and PROFILE to ES */
+    _this->gl_config.major_version = 2;
+    _this->gl_config.minor_version = 1;
+    _this->gl_config.profile_mask = SDL_GL_CONTEXT_PROFILE_ES;
+
+    context = SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
+
+    if (context != NULL)
+    {
+        FB_WIDTH = window->w;
+        FB_HEIGHT = window->h;
+        set_getprocaddress((void *(*)(const char *))eglGetProcAddress);
+	    set_getmainfbsize(getFBSize);
+        SDL_snprintf(gl_version, 3, "%d%d", temp_major, temp_minor);
+        gl4es_setenv("LIBGL_NOTEXRECT", "1", 1); /* Currently broken in driver */
+	    gl4es_setenv("LIBGL_GL", gl_version, 1);
+	    initialize_gl4es();
     }
+
+    /* Restore gl_config */
+    _this->gl_config.major_version = temp_major;
+    _this->gl_config.minor_version = temp_minor;
+    _this->gl_config.profile_mask = temp_profile;
+
+    return context;
 }
 
-int
-VITA_GL_SwapWindow(_THIS, SDL_Window * window)
+void *
+VITA_GL_GetProcAddress(_THIS, const char *proc)
 {
-    SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
-    if (videodata->ime_active) {
-        sceImeUpdate();
-    }
-    return SDL_EGL_SwapBuffers(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
+    return gl4es_GetProcAddress(proc);
 }
 
-
 #endif /* SDL_VIDEO_DRIVER_VITA && SDL_VIDEO_VITA_PVR */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/video/vita/SDL_vitagl_pvr_c.h b/src/video/vita/SDL_vitagl_pvr_c.h
@@ -19,17 +19,16 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
-#ifndef SDL_vitagl_c_h_
-#define SDL_vitagl_c_h_
+#ifndef SDL_vitagl_pvr_c_h_
+#define SDL_vitagl_pvr_c_h_
 
 #include "SDL_vitavideo.h"
 
-extern int VITA_GL_MakeCurrent(_THIS,SDL_Window * window, SDL_GLContext context);
-extern int VITA_GL_SwapWindow(_THIS, SDL_Window * window);
 extern SDL_GLContext VITA_GL_CreateContext(_THIS, SDL_Window * window);
 extern int VITA_GL_LoadLibrary(_THIS, const char *path);
+extern void *VITA_GL_GetProcAddress(_THIS, const char *proc);
 
 
-#endif /* SDL_vitagl_c_h_ */
+#endif /* SDL_vitagl_pvr_c_h_ */
 
 /* vi: set ts=4 sw=4 expandtab: */
diff --git a/src/video/vita/SDL_vitagl.c → src/video/vita/SDL_vitagles.c b/src/video/vita/SDL_vitagl.c → src/video/vita/SDL_vitagles.c
@@ -27,7 +27,7 @@
 #include "SDL_error.h"
 #include "SDL_log.h"
 #include "SDL_vitavideo.h"
-#include "SDL_vitagl_c.h"
+#include "SDL_vitagles_c.h"
 
 /*****************************************************************************/
 /* SDL OpenGL/OpenGL ES functions                                            */
@@ -45,7 +45,7 @@
     } while (0)
 
 void 
-VITA_GL_KeyboardCallback(ScePigletPreSwapData *data)
+VITA_GLES_KeyboardCallback(ScePigletPreSwapData *data)
 {
     SceCommonDialogUpdateParam commonDialogParam;
     SDL_zero(commonDialogParam);
@@ -62,20 +62,20 @@ VITA_GL_KeyboardCallback(ScePigletPreSwapData *data)
 }
 
 int
-VITA_GL_LoadLibrary(_THIS, const char *path)
+VITA_GLES_LoadLibrary(_THIS, const char *path)
 {
   pibInit(PIB_SHACCCG | PIB_GET_PROC_ADDR_CORE);
   return 0;
 }
 
 void *
-VITA_GL_GetProcAddress(_THIS, const char *proc)
+VITA_GLES_GetProcAddress(_THIS, const char *proc)
 {
     return eglGetProcAddress(proc);
 }
 
 void
-VITA_GL_UnloadLibrary(_THIS)
+VITA_GLES_UnloadLibrary(_THIS)
 {
     eglTerminate(_this->gl_data->display);
 }
@@ -84,7 +84,7 @@ static EGLint width = 960;
 static EGLint height = 544;
 
 SDL_GLContext
-VITA_GL_CreateContext(_THIS, SDL_Window * window)
+VITA_GLES_CreateContext(_THIS, SDL_Window * window)
 {
 
     SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
@@ -159,13 +159,13 @@ VITA_GL_CreateContext(_THIS, SDL_Window * window)
     _this->gl_data->surface = surface;
 
     preSwapCallback = (PFNEGLPIGLETVITASETPRESWAPCALLBACKSCEPROC) eglGetProcAddress("eglPigletVitaSetPreSwapCallbackSCE");
-    preSwapCallback(VITA_GL_KeyboardCallback);
+    preSwapCallback(VITA_GLES_KeyboardCallback);
 
     return context;
 }
 
 int
-VITA_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
+VITA_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
 {
         if (!eglMakeCurrent(_this->gl_data->display, _this->gl_data->surface,
                           _this->gl_data->surface, _this->gl_data->context))
@@ -176,7 +176,7 @@ VITA_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
 }
 
 int
-VITA_GL_SetSwapInterval(_THIS, int interval)
+VITA_GLES_SetSwapInterval(_THIS, int interval)
 {
     EGLBoolean status;
     status = eglSwapInterval(_this->gl_data->display, interval);
@@ -190,13 +190,13 @@ VITA_GL_SetSwapInterval(_THIS, int interval)
 }
 
 int
-VITA_GL_GetSwapInterval(_THIS)
+VITA_GLES_GetSwapInterval(_THIS)
 {
     return _this->gl_data->swapinterval;
 }
 
 int
-VITA_GL_SwapWindow(_THIS, SDL_Window * window)
+VITA_GLES_SwapWindow(_THIS, SDL_Window * window)
 {
     if (!eglSwapBuffers(_this->gl_data->display, _this->gl_data->surface)) {
         return SDL_SetError("eglSwapBuffers() failed");
@@ -205,7 +205,7 @@ VITA_GL_SwapWindow(_THIS, SDL_Window * window)
 }
 
 void
-VITA_GL_DeleteContext(_THIS, SDL_GLContext context)
+VITA_GLES_DeleteContext(_THIS, SDL_GLContext context)
 {
     SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
     EGLBoolean status;

diff --git a/src/video/vita/SDL_vitagl_c.h → src/video/vita/SDL_vitagles_c.h b/src/video/vita/SDL_vitagl_c.h → src/video/vita/SDL_vitagles_c.h
@@ -19,8 +19,8 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
-#ifndef SDL_vitagl_c_h_
-#define SDL_vitagl_c_h_
+#ifndef SDL_vitagles_c_h_
+#define SDL_vitagles_c_h_
 
 
 #include <pib.h>
@@ -39,19 +39,19 @@ typedef struct SDL_GLDriverData {
     uint32_t swapinterval;
 }SDL_GLDriverData;
 
-extern void * VITA_GL_GetProcAddress(_THIS, const char *proc);
-extern int VITA_GL_MakeCurrent(_THIS,SDL_Window * window, SDL_GLContext context);
-extern void VITA_GL_SwapBuffers(_THIS);
+extern void * VITA_GLES_GetProcAddress(_THIS, const char *proc);
+extern int VITA_GLES_MakeCurrent(_THIS,SDL_Window * window, SDL_GLContext context);
+extern void VITA_GLES_SwapBuffers(_THIS);
 
-extern int VITA_GL_SwapWindow(_THIS, SDL_Window * window);
-extern SDL_GLContext VITA_GL_CreateContext(_THIS, SDL_Window * window);
+extern int VITA_GLES_SwapWindow(_THIS, SDL_Window * window);
+extern SDL_GLContext VITA_GLES_CreateContext(_THIS, SDL_Window * window);
 
-extern int VITA_GL_LoadLibrary(_THIS, const char *path);
-extern void VITA_GL_UnloadLibrary(_THIS);
-extern int VITA_GL_SetSwapInterval(_THIS, int interval);
-extern int VITA_GL_GetSwapInterval(_THIS);
+extern int VITA_GLES_LoadLibrary(_THIS, const char *path);
+extern void VITA_GLES_UnloadLibrary(_THIS);
+extern int VITA_GLES_SetSwapInterval(_THIS, int interval);
+extern int VITA_GLES_GetSwapInterval(_THIS);
 
 
-#endif /* SDL_vitagl_c_h_ */
+#endif /* SDL_vitagles_c_h_ */
 
 /* vi: set ts=4 sw=4 expandtab: */