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authorclayjohn <claynjohn@gmail.com>2022-08-09 12:29:49 -0400
committerclayjohn <claynjohn@gmail.com>2022-08-09 12:29:49 -0400
commit028ef2edc863811318b75f43a23cbb2f0ee94910 (patch)
tree499d64c3b5f2fdd26a4cd871988ad025e2f795c4 /servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
parentea4b8de2b4c06e6f18bf0470d716f787bddfecc3 (diff)
downloadredot-engine-028ef2edc863811318b75f43a23cbb2f0ee94910.tar.gz
Add shader uniform hints for screen textures so users can specify custom filter and repeat modes.
At this time, it works best in the Vulkan Renderers as they support using multiple samplers with the same texture. In GLES3 this feature really only allows you to use the screen texture without mipmaps if you want to save the cost of generating them.
Diffstat (limited to 'servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp')
-rw-r--r--servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp29
1 files changed, 21 insertions, 8 deletions
diff --git a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
index 27399298b3..50e60f4677 100644
--- a/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
+++ b/servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
@@ -1361,6 +1361,7 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
Item *ci = p_item_list;
Rect2 back_buffer_rect;
bool backbuffer_copy = false;
+ bool backbuffer_gen_mipmaps = false;
Item *canvas_group_owner = nullptr;
@@ -1389,6 +1390,7 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
if (!material_screen_texture_found) {
backbuffer_copy = true;
back_buffer_rect = Rect2();
+ backbuffer_gen_mipmaps = md->shader_data->uses_screen_texture_mipmaps;
}
}
@@ -1474,9 +1476,10 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
_render_items(p_to_render_target, item_count, canvas_transform_inverse, p_light_list);
item_count = 0;
- texture_storage->render_target_copy_to_back_buffer(p_to_render_target, back_buffer_rect, true);
+ texture_storage->render_target_copy_to_back_buffer(p_to_render_target, back_buffer_rect, backbuffer_gen_mipmaps);
backbuffer_copy = false;
+ backbuffer_gen_mipmaps = false;
material_screen_texture_found = true; //after a backbuffer copy, screen texture makes no further copies
}
@@ -1980,6 +1983,7 @@ void RendererCanvasRenderRD::CanvasShaderData::set_code(const String &p_code) {
ubo_size = 0;
uniforms.clear();
uses_screen_texture = false;
+ uses_screen_texture_mipmaps = false;
uses_sdf = false;
uses_time = false;
@@ -1990,7 +1994,6 @@ void RendererCanvasRenderRD::CanvasShaderData::set_code(const String &p_code) {
ShaderCompiler::GeneratedCode gen_code;
int blend_mode = BLEND_MODE_MIX;
- uses_screen_texture = false;
ShaderCompiler::IdentifierActions actions;
actions.entry_point_stages["vertex"] = ShaderCompiler::STAGE_VERTEX;
@@ -2015,6 +2018,8 @@ void RendererCanvasRenderRD::CanvasShaderData::set_code(const String &p_code) {
Error err = canvas_singleton->shader.compiler.compile(RS::SHADER_CANVAS_ITEM, code, &actions, path, gen_code);
ERR_FAIL_COND_MSG(err != OK, "Shader compilation failed.");
+ uses_screen_texture_mipmaps = gen_code.uses_screen_texture_mipmaps;
+
if (version.is_null()) {
version = canvas_singleton->shader.canvas_shader.version_create();
}
@@ -2025,12 +2030,16 @@ void RendererCanvasRenderRD::CanvasShaderData::set_code(const String &p_code) {
for (int i = 0; i < gen_code.defines.size(); i++) {
print_line(gen_code.defines[i]);
}
+
+ HashMap<String, String>::Iterator el = gen_code.code.begin();
+ while (el) {
+ print_line("\n**code " + el->key + ":\n" + el->value);
+ ++el;
+ }
+
print_line("\n**uniforms:\n" + gen_code.uniforms);
- print_line("\n**vertex_globals:\n" + gen_code.vertex_global);
- print_line("\n**vertex_code:\n" + gen_code.vertex);
- print_line("\n**fragment_globals:\n" + gen_code.fragment_global);
- print_line("\n**fragment_code:\n" + gen_code.fragment);
- print_line("\n**light_code:\n" + gen_code.light);
+ print_line("\n**vertex_globals:\n" + gen_code.stage_globals[ShaderCompiler::STAGE_VERTEX]);
+ print_line("\n**fragment_globals:\n" + gen_code.stage_globals[ShaderCompiler::STAGE_FRAGMENT]);
#endif
canvas_singleton->shader.canvas_shader.version_set_code(version, gen_code.code, gen_code.uniforms, gen_code.stage_globals[ShaderCompiler::STAGE_VERTEX], gen_code.stage_globals[ShaderCompiler::STAGE_FRAGMENT], gen_code.defines);
ERR_FAIL_COND(!canvas_singleton->shader.canvas_shader.version_is_valid(version));
@@ -2175,7 +2184,11 @@ void RendererCanvasRenderRD::CanvasShaderData::get_param_list(List<PropertyInfo>
HashMap<int, StringName> order;
for (const KeyValue<StringName, ShaderLanguage::ShaderNode::Uniform> &E : uniforms) {
- if (E.value.scope != ShaderLanguage::ShaderNode::Uniform::SCOPE_LOCAL) {
+ if (E.value.scope != ShaderLanguage::ShaderNode::Uniform::SCOPE_LOCAL ||
+ E.value.hint == ShaderLanguage::ShaderNode::Uniform::HINT_SCREEN_TEXTURE ||
+ E.value.hint == ShaderLanguage::ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE ||
+ E.value.hint == ShaderLanguage::ShaderNode::Uniform::HINT_DEPTH_TEXTURE) {
+ // Don't expose any of these.
continue;
}
if (E.value.texture_order >= 0) {