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Many fixes regarding depth buffer clearing, closes #25994, closes #25975

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This commit is contained in:
Juan Linietsky 2019-02-21 12:30:44 -03:00
parent b52088a64b
commit 8fd2eb6234
2 changed files with 20 additions and 5 deletions
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22
drivers/gles3/rasterizer_scene_gles3.cpp
View file

@ -3286,6 +3286,16 @@ void RasterizerSceneGLES3::_render_mrts(Environment *env, const CameraMatrix &p_
glDisable(GL_CULL_FACE);
glDisable(GL_BLEND);
if (!state.used_depth_prepass_and_resolved) {
//resolve depth buffer
glBindFramebuffer(GL_READ_FRAMEBUFFER, storage->frame.current_rt->buffers.fbo);
glReadBuffer(GL_COLOR_ATTACHMENT0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, storage->frame.current_rt->fbo);
glBlitFramebuffer(0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, 0, 0, storage->frame.current_rt->width, storage->frame.current_rt->height, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
if (env->ssao_enabled || env->ssr_enabled) {
//copy normal and roughness to effect buffer
@ -4138,6 +4148,7 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
glDepthFunc(GL_LEQUAL);
state.used_contact_shadows = false;
state.used_depth_prepass_and_resolved = false;
for (int i = 0; i < p_light_cull_count; i++) {
@ -4185,13 +4196,14 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
//bind depth for read
glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 8);
glBindTexture(GL_TEXTURE_2D, storage->frame.current_rt->depth);
state.used_depth_prepass_and_resolved = true;
}
fb_cleared = true;
render_pass++;
state.using_contact_shadows = true;
state.used_depth_prepass = true;
} else {
state.using_contact_shadows = false;
state.used_depth_prepass = false;
}
_setup_lights(p_light_cull_result, p_light_cull_count, p_cam_transform.affine_inverse(), p_cam_projection, p_shadow_atlas);
@ -4288,7 +4300,8 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
}
if (!fb_cleared) {
glClearBufferfi(GL_DEPTH, 0, 1.0, 0);
glClearDepth(1.0f);
glClear(GL_DEPTH_BUFFER_BIT);
}
Color clear_color(0, 0, 0, 0);
@ -4438,6 +4451,7 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
//state.scene_shader.set_conditional( SceneShaderGLES3::USE_FOG,false);
if (use_mrt) {
_render_mrts(env, p_cam_projection);
} else {
//FIXME: check that this is possible to use
@ -4562,7 +4576,7 @@ void RasterizerSceneGLES3::render_shadow(RID p_light, RID p_shadow_atlas, int p_
float bias = 0;
float normal_bias = 0;
state.using_contact_shadows = false;
state.used_depth_prepass = false;
CameraMatrix light_projection;
Transform light_transform;

3
drivers/gles3/rasterizer_scene_gles3.h
View file

@ -205,7 +205,8 @@ public:
bool used_sss;
bool used_screen_texture;
bool used_depth_texture;
bool using_contact_shadows;
bool used_depth_prepass;
bool used_depth_prepass_and_resolved;
VS::ViewportDebugDraw debug_draw;
} state;