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Changes to GLES2 renderer to not use cube shadows if not available, fixes #25132

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This commit is contained in:
Juan Linietsky 2019-01-22 10:04:25 -03:00
parent 6ab16512eb
commit 46af4b0a4b
7 changed files with 96 additions and 89 deletions
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4
drivers/gles2/rasterizer_scene_gles2.cpp
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@ -2877,7 +2877,7 @@ void RasterizerSceneGLES2::render_shadow(RID p_light, RID p_shadow_atlas, int p_
if (light->type == VS::LIGHT_OMNI) {
// cubemap only
if (light->omni_shadow_mode == VS::LIGHT_OMNI_SHADOW_CUBE) {
if (light->omni_shadow_mode == VS::LIGHT_OMNI_SHADOW_CUBE && storage->config.support_write_depth) {
int cubemap_index = shadow_cubemaps.size() - 1;
// find an appropriate cubemap to render to
@ -2973,7 +2973,7 @@ void RasterizerSceneGLES2::render_shadow(RID p_light, RID p_shadow_atlas, int p_
state.scene_shader.set_conditional(SceneShaderGLES2::RENDER_DEPTH_DUAL_PARABOLOID, false);
// convert cubemap to dual paraboloid if needed
if (light->type == VS::LIGHT_OMNI && light->omni_shadow_mode == VS::LIGHT_OMNI_SHADOW_CUBE && p_pass == 5) {
if (light->type == VS::LIGHT_OMNI && (light->omni_shadow_mode == VS::LIGHT_OMNI_SHADOW_CUBE && storage->config.support_write_depth) && p_pass == 5) {
ShadowAtlas *shadow_atlas = shadow_atlas_owner.getornull(p_shadow_atlas);
glBindFramebuffer(GL_FRAMEBUFFER, shadow_atlas->fbo);

1
drivers/gles2/rasterizer_scene_gles2.h
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@ -473,6 +473,7 @@ public:
virtual void light_instance_set_transform(RID p_light_instance, const Transform &p_transform);
virtual void light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_bias_scale = 1.0);
virtual void light_instance_mark_visible(RID p_light_instance);
virtual bool light_instances_can_render_shadow_cube() const { return storage->config.support_write_depth; }
LightInstance **render_light_instances;
int render_directional_lights;

7
drivers/gles2/rasterizer_storage_gles2.cpp
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@ -4673,6 +4673,13 @@ void RasterizerStorageGLES2::initialize() {
config.support_32_bits_indices = config.extensions.has("GL_OES_element_index_uint");
#endif
#ifdef GLES_OVER_GL
config.support_write_depth = true;
#else
config.support_write_depth = config.extensions.has("GL_EXT_frag_depth");
#endif
frame.count = 0;
frame.delta = 0;
frame.current_rt = NULL;

1
drivers/gles2/rasterizer_storage_gles2.h
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@ -80,6 +80,7 @@ public:
bool use_rgba_2d_shadows;
bool support_32_bits_indices;
bool support_write_depth;
} config;
struct Resources {

1
drivers/gles3/rasterizer_scene_gles3.cpp
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@ -1832,6 +1832,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
storage->info.render.vertices_count += s->index_array_len * amount;
} else
#endif
if (s->index_array_len > 0) {
glDrawElementsInstanced(gl_primitive[s->primitive], s->index_array_len, (s->array_len >= (1 << 16)) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, 0, amount);

1
servers/visual/rasterizer.h
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@ -141,6 +141,7 @@ public:
virtual void light_instance_set_transform(RID p_light_instance, const Transform &p_transform) = 0;
virtual void light_instance_set_shadow_transform(RID p_light_instance, const CameraMatrix &p_projection, const Transform &p_transform, float p_far, float p_split, int p_pass, float p_bias_scale = 1.0) = 0;
virtual void light_instance_mark_visible(RID p_light_instance) = 0;
virtual bool light_instances_can_render_shadow_cube() const { return true; }
virtual RID reflection_atlas_create() = 0;
virtual void reflection_atlas_set_size(RID p_ref_atlas, int p_size) = 0;

8
servers/visual/visual_server_scene.cpp
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@ -1535,8 +1535,7 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
VS::LightOmniShadowMode shadow_mode = VSG::storage->light_omni_get_shadow_mode(p_instance->base);
switch (shadow_mode) {
case VS::LIGHT_OMNI_SHADOW_DUAL_PARABOLOID: {
if (shadow_mode == VS::LIGHT_OMNI_SHADOW_DUAL_PARABOLOID || !VSG::scene_render->light_instances_can_render_shadow_cube()) {
for (int i = 0; i < 2; i++) {
@ -1576,8 +1575,7 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
VSG::scene_render->light_instance_set_shadow_transform(light->instance, CameraMatrix(), light_transform, radius, 0, i);
VSG::scene_render->render_shadow(light->instance, p_shadow_atlas, i, (RasterizerScene::InstanceBase **)instance_shadow_cull_result, cull_count);
}
} break;
case VS::LIGHT_OMNI_SHADOW_CUBE: {
} else { //shadow cube
float radius = VSG::storage->light_get_param(p_instance->base, VS::LIGHT_PARAM_RANGE);
CameraMatrix cm;
@ -1633,8 +1631,6 @@ bool VisualServerScene::_light_instance_update_shadow(Instance *p_instance, cons
//restore the regular DP matrix
VSG::scene_render->light_instance_set_shadow_transform(light->instance, CameraMatrix(), light_transform, radius, 0, 0);
} break;
}
} break;