diff options
Diffstat (limited to 'drivers/gles2/rasterizer_storage_gles2.cpp')
| -rw-r--r-- | drivers/gles2/rasterizer_storage_gles2.cpp | 131 |
1 files changed, 99 insertions, 32 deletions
diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp index c8650462aa..afb3f651c7 100644 --- a/drivers/gles2/rasterizer_storage_gles2.cpp +++ b/drivers/gles2/rasterizer_storage_gles2.cpp @@ -1308,7 +1308,19 @@ void RasterizerStorageGLES2::_update_shader(Shader *p_shader) const { actions->uniforms = &p_shader->uniforms; if (p_shader->spatial.uses_screen_texture && p_shader->spatial.uses_depth_texture) { - WARN_PRINT("Using both SCREEN_TEXTURE and DEPTH_TEXTURE is not supported in GLES2"); + static bool show_warning = true; //show warning only once + if (show_warning) { + ERR_PRINT("Using both SCREEN_TEXTURE and DEPTH_TEXTURE is not supported in GLES2"); + show_warning = false; + } + } + + if (p_shader->spatial.uses_depth_texture && !config.support_depth_texture) { + static bool show_warning = true; //show warning only once + if (show_warning) { + ERR_PRINT("Using DEPTH_TEXTURE is not permitted on this hardware, operation will fail."); + show_warning = false; + } } } break; @@ -4306,24 +4318,36 @@ void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) { // depth - glGenTextures(1, &rt->depth); - glBindTexture(GL_TEXTURE_2D, rt->depth); + if (config.support_depth_texture) { + glGenTextures(1, &rt->depth); + glBindTexture(GL_TEXTURE_2D, rt->depth); + glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, rt->width, rt->height, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL); - glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, rt->width, rt->height, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + } else { + glGenRenderbuffers(1, &rt->depth); + glBindRenderbuffer(GL_RENDERBUFFER, rt->depth); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + glRenderbufferStorage(GL_RENDERBUFFER, config.depth_internalformat, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); if (status != GL_FRAMEBUFFER_COMPLETE) { glDeleteFramebuffers(1, &rt->fbo); - glDeleteTextures(1, &rt->depth); + if (config.support_depth_texture) { + glDeleteTextures(1, &rt->depth); + } else { + glDeleteRenderbuffers(1, &rt->depth); + } glDeleteTextures(1, &rt->color); rt->fbo = 0; rt->width = 0; @@ -4395,7 +4419,12 @@ void RasterizerStorageGLES2::_render_target_clear(RenderTarget *rt) { } if (rt->depth) { - glDeleteTextures(1, &rt->depth); + if (config.support_depth_texture) { + glDeleteTextures(1, &rt->depth); + } else { + glDeleteRenderbuffers(1, &rt->depth); + } + rt->depth = 0; } @@ -4533,17 +4562,10 @@ RID RasterizerStorageGLES2::canvas_light_shadow_buffer_create(int p_width) { glGenFramebuffers(1, &cls->fbo); glBindFramebuffer(GL_FRAMEBUFFER, cls->fbo); - glGenTextures(1, &cls->depth); - glBindTexture(GL_TEXTURE_2D, cls->depth); - - glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, cls->size, cls->height, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, cls->depth, 0); + glGenRenderbuffers(1, &cls->depth); + glBindRenderbuffer(GL_RENDERBUFFER, cls->depth); + glRenderbufferStorage(GL_RENDERBUFFER, config.depth_internalformat, cls->size, cls->height); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, cls->depth); glGenTextures(1, &cls->distance); glBindTexture(GL_TEXTURE_2D, cls->distance); @@ -4908,7 +4930,7 @@ bool RasterizerStorageGLES2::free(RID p_rid) { CanvasLightShadow *cls = canvas_light_shadow_owner.get(p_rid); glDeleteFramebuffers(1, &cls->fbo); - glDeleteTextures(1, &cls->depth); + glDeleteRenderbuffers(1, &cls->depth); glDeleteTextures(1, &cls->distance); canvas_light_shadow_owner.free(p_rid); memdelete(cls); @@ -4986,21 +5008,17 @@ void RasterizerStorageGLES2::initialize() { config.pvrtc_supported = config.extensions.has("IMG_texture_compression_pvrtc"); config.support_npot_repeat_mipmap = config.extensions.has("GL_OES_texture_npot"); - if (config.extensions.has("GL_OES_depth24")) { - config.depth_internalformat = _DEPTH_COMPONENT24_OES; - config.depth_type = GL_UNSIGNED_INT; - } else { - config.depth_internalformat = GL_DEPTH_COMPONENT16; - config.depth_type = GL_UNSIGNED_SHORT; - } - #endif #ifdef GLES_OVER_GL config.use_rgba_2d_shadows = false; + config.support_depth_texture = true; config.use_rgba_3d_shadows = false; + config.support_depth_cubemaps = true; #else config.use_rgba_2d_shadows = !(config.float_texture_supported && config.extensions.has("GL_EXT_texture_rg")); - config.use_rgba_3d_shadows = config.extensions.has("GL_OES_depth_texture"); + config.support_depth_texture = config.extensions.has("GL_OES_depth_texture"); + config.use_rgba_3d_shadows = !config.support_depth_texture; + config.support_depth_cubemaps = config.extensions.has("GL_OES_depth_texture_cube_map"); #endif #ifdef GLES_OVER_GL @@ -5024,6 +5042,55 @@ void RasterizerStorageGLES2::initialize() { config.support_half_float_vertices = true; #endif + //determine formats for depth textures (or renderbuffers) + if (config.support_depth_texture) { + // Will use texture for depth + // have to manually see if we can create a valid framebuffer texture using UNSIGNED_INT, + // as there is no extension to test for this. + GLuint fbo; + glGenFramebuffers(1, &fbo); + glBindFramebuffer(GL_FRAMEBUFFER, fbo); + GLuint depth; + glGenTextures(1, &depth); + glBindTexture(GL_TEXTURE_2D, depth); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, 32, 32, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depth, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + if (status == GL_FRAMEBUFFER_COMPLETE) { + config.depth_internalformat = GL_DEPTH_COMPONENT; + config.depth_type = GL_UNSIGNED_INT; + } else { + config.depth_internalformat = GL_DEPTH_COMPONENT16; + config.depth_type = GL_UNSIGNED_SHORT; + } + + glBindFramebuffer(GL_FRAMEBUFFER, system_fbo); + glDeleteFramebuffers(1, &fbo); + glBindTexture(GL_TEXTURE_2D, 0); + glDeleteTextures(1, &depth); + + } else { + // Will use renderbuffer for depth + if (config.extensions.has("GL_OES_depth24")) { + config.depth_internalformat = _DEPTH_COMPONENT24_OES; + config.depth_type = GL_UNSIGNED_INT; + } else { + config.depth_internalformat = GL_DEPTH_COMPONENT16; + config.depth_type = GL_UNSIGNED_SHORT; + } + } + + //picky requirements for these + config.support_shadow_cubemaps = config.support_depth_texture && config.support_write_depth && config.support_depth_cubemaps; + frame.count = 0; frame.delta = 0; frame.current_rt = NULL; |