diff options
Diffstat (limited to 'drivers/gles2/rasterizer_gles2.cpp')
| -rw-r--r-- | drivers/gles2/rasterizer_gles2.cpp | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/gles2/rasterizer_gles2.cpp b/drivers/gles2/rasterizer_gles2.cpp index a1a0b9e2c6..76ee80aa07 100644 --- a/drivers/gles2/rasterizer_gles2.cpp +++ b/drivers/gles2/rasterizer_gles2.cpp @@ -136,28 +136,21 @@ RasterizerScene *RasterizerGLES2::get_scene() { return scene; } -void RasterizerGLES2::initialize() { - - if (OS::get_singleton()->is_stdout_verbose()) { - print_line("Using GLES2 video driver"); - } +Error RasterizerGLES2::is_viable() { #ifdef GLAD_ENABLED if (!gladLoadGL()) { ERR_PRINT("Error initializing GLAD"); + return ERR_UNAVAILABLE; } // GLVersion seems to be used for both GL and GL ES, so we need different version checks for them #ifdef OPENGL_ENABLED // OpenGL 2.1 Profile required - if (GLVersion.major < 2) { -#else // OpenGL ES 3.0 + if (GLVersion.major < 2 || (GLVersion.major == 2 && GLVersion.minor < 1)) { +#else // OpenGL ES 2.0 if (GLVersion.major < 2) { #endif - ERR_PRINT("Your system's graphic drivers seem not to support OpenGL 2.1 / OpenGL ES 2.0, sorry :(\n" - "Try a drivers update, buy a new GPU or try software rendering on Linux; Godot will now crash with a segmentation fault."); - OS::get_singleton()->alert("Your system's graphic drivers seem not to support OpenGL 2.1 / OpenGL ES 2.0, sorry :(\n" - "Godot Engine will self-destruct as soon as you acknowledge this error message.", - "Fatal error: Insufficient OpenGL / GLES driver support"); + return ERR_UNAVAILABLE; } #ifdef GLES_OVER_GL @@ -183,14 +176,21 @@ void RasterizerGLES2::initialize() { glGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameterivEXT; glGenerateMipmap = glGenerateMipmapEXT; } else { - ERR_PRINT("Your system's graphic drivers seem not to support GL_ARB(EXT)_framebuffer_object OpenGL extension, sorry :(\n" - "Try a drivers update, buy a new GPU or try software rendering on Linux; Godot will now crash with a segmentation fault."); - OS::get_singleton()->alert("Your system's graphic drivers seem not to support GL_ARB(EXT)_framebuffer_object OpenGL extension, sorry :(\n" - "Godot Engine will self-destruct as soon as you acknowledge this error message.", - "Fatal error: Insufficient OpenGL / GLES driver support"); + return ERR_UNAVAILABLE; } } #endif + +#endif // GLAD_ENABLED + + return OK; +} + +void RasterizerGLES2::initialize() { + + print_verbose("Using GLES2 video driver"); + +#ifdef GLAD_ENABLED if (true || OS::get_singleton()->is_stdout_verbose()) { if (GLAD_GL_ARB_debug_output) { glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB); @@ -200,7 +200,6 @@ void RasterizerGLES2::initialize() { print_line("OpenGL debugging not supported!"); } } - #endif // GLAD_ENABLED // For debugging @@ -327,7 +326,7 @@ void RasterizerGLES2::set_boot_image(const Ref<Image> &p_image, const Color &p_c screenrect.position += ((Size2(window_w, window_h) - screenrect.size) / 2.0).floor(); RasterizerStorageGLES2::Texture *t = storage->texture_owner.get(texture); - glActiveTexture(GL_TEXTURE0); + glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 1); glBindTexture(GL_TEXTURE_2D, t->tex_id); canvas->draw_generic_textured_rect(screenrect, Rect2(0, 0, 1, 1)); glBindTexture(GL_TEXTURE_2D, 0); @@ -354,7 +353,7 @@ void RasterizerGLES2::blit_render_target_to_screen(RID p_render_target, const Re canvas->canvas_begin(); glDisable(GL_BLEND); glBindFramebuffer(GL_FRAMEBUFFER, RasterizerStorageGLES2::system_fbo); - glActiveTexture(GL_TEXTURE0); + glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 1); glBindTexture(GL_TEXTURE_2D, rt->color); // TODO normals |