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Restructure depth_internalformat code to work on mobile

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This changes the code path so that `glRenderBufferStorage*` always uses
values appropriate for renderbuffers and `glTexImage2D` never uses an
internalformat meant for buffers.

Fixes #33825.
This commit is contained in:
clayjohn 2019-11-23 18:08:19 -08:00
parent bb1d75f55e
commit 5ab3b61520
2 changed files with 18 additions and 11 deletions
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28
drivers/gles2/rasterizer_storage_gles2.cpp
View file

@ -4657,7 +4657,7 @@ void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) {
glGenRenderbuffers(1, &rt->depth);
glBindRenderbuffer(GL_RENDERBUFFER, rt->depth);
glRenderbufferStorage(GL_RENDERBUFFER, config.depth_internalformat, rt->width, rt->height);
glRenderbufferStorage(GL_RENDERBUFFER, config.depth_buffer_internalformat, rt->width, rt->height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth);
}
@ -4725,7 +4725,7 @@ void RasterizerStorageGLES2::_render_target_allocate(RenderTarget *rt) {
glGenRenderbuffers(1, &rt->multisample_depth);
glBindRenderbuffer(GL_RENDERBUFFER, rt->multisample_depth);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, config.depth_internalformat, rt->width, rt->height);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, config.depth_buffer_internalformat, rt->width, rt->height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->multisample_depth);
@ -5189,7 +5189,7 @@ void RasterizerStorageGLES2::render_target_set_external_texture(RID p_render_tar
// create a multisample depth buffer, we're not reusing Godots because Godot's didn't get created..
glGenRenderbuffers(1, &rt->external.depth);
glBindRenderbuffer(GL_RENDERBUFFER, rt->external.depth);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, config.depth_internalformat, rt->width, rt->height);
glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, config.depth_buffer_internalformat, rt->width, rt->height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->external.depth);
}
@ -5302,7 +5302,7 @@ RID RasterizerStorageGLES2::canvas_light_shadow_buffer_create(int p_width) {
glGenRenderbuffers(1, &cls->depth);
glBindRenderbuffer(GL_RENDERBUFFER, cls->depth);
glRenderbufferStorage(GL_RENDERBUFFER, config.depth_internalformat, cls->size, cls->height);
glRenderbufferStorage(GL_RENDERBUFFER, config.depth_buffer_internalformat, cls->size, cls->height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, cls->depth);
glGenTextures(1, &cls->distance);
@ -5783,6 +5783,8 @@ void RasterizerStorageGLES2::initialize() {
config.keep_original_textures = false;
config.shrink_textures_x2 = false;
config.depth_internalformat = GL_DEPTH_COMPONENT;
config.depth_type = GL_UNSIGNED_INT;
#ifdef GLES_OVER_GL
config.float_texture_supported = true;
@ -5790,20 +5792,20 @@ void RasterizerStorageGLES2::initialize() {
config.pvrtc_supported = false;
config.etc1_supported = false;
config.support_npot_repeat_mipmap = true;
config.depth_internalformat = GL_DEPTH_COMPONENT;
config.depth_type = GL_UNSIGNED_INT;
config.depth_buffer_internalformat = GL_DEPTH_COMPONENT24;
#else
config.float_texture_supported = config.extensions.has("GL_ARB_texture_float") || config.extensions.has("GL_OES_texture_float");
config.s3tc_supported = config.extensions.has("GL_EXT_texture_compression_s3tc") || config.extensions.has("WEBGL_compressed_texture_s3tc");
config.etc1_supported = config.extensions.has("GL_OES_compressed_ETC1_RGB8_texture") || config.extensions.has("WEBGL_compressed_texture_etc1");
config.pvrtc_supported = config.extensions.has("IMG_texture_compression_pvrtc") || config.extensions.has("WEBGL_compressed_texture_pvrtc");
config.support_npot_repeat_mipmap = config.extensions.has("GL_OES_texture_npot");
// on mobile check for 24 bit depth support
// on mobile check for 24 bit depth support for RenderBufferStorage
if (config.extensions.has("GL_OES_depth24")) {
config.depth_internalformat = _DEPTH_COMPONENT24_OES;
config.depth_buffer_internalformat = _DEPTH_COMPONENT24_OES;
config.depth_type = GL_UNSIGNED_INT;
} else {
config.depth_internalformat = GL_DEPTH_COMPONENT16;
config.depth_buffer_internalformat = GL_DEPTH_COMPONENT16;
config.depth_type = GL_UNSIGNED_SHORT;
}
#endif
@ -5901,8 +5903,12 @@ void RasterizerStorageGLES2::initialize() {
if (status != GL_FRAMEBUFFER_COMPLETE) {
// If it fails, test to see if it supports a framebuffer texture using UNSIGNED_SHORT
// This is needed because many OSX devices don't support either UNSIGNED_INT or UNSIGNED_SHORT
#ifdef GLES_OVER_GL
config.depth_internalformat = GL_DEPTH_COMPONENT16;
#else
// OES_depth_texture extension only specifies GL_DEPTH_COMPONENT.
config.depth_internalformat = GL_DEPTH_COMPONENT;
#endif
config.depth_type = GL_UNSIGNED_SHORT;
glGenFramebuffers(1, &fbo);
@ -5910,7 +5916,7 @@ void RasterizerStorageGLES2::initialize() {
glGenTextures(1, &depth);
glBindTexture(GL_TEXTURE_2D, depth);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16, 32, 32, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL);
glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

1
drivers/gles2/rasterizer_storage_gles2.h
View file

@ -99,6 +99,7 @@ public:
GLuint depth_internalformat;
GLuint depth_type;
GLuint depth_buffer_internalformat;
} config;