Move simple UI blend mapping to renderer gl

docs/modernization/build-inventory.md

@@ -177,6 +177,8 @@ Known local toolchain state:
   `NodeColorWheel` triangle-buffer setup and draw-state handling also consume
   backend-owned array-buffer, static-upload, vertex-attribute, primitive-mode,
   and blend-state tokens.
+  Simple UI text, text-input, border, scroll, and animation timeline draw
+  paths also consume backend-owned blend-state tokens.
 - `windows-msvc-vcpkg-headless` validates manifest install/configure/build/test
   for the current headless component matrix; see DEBT-0007 for remaining app
   and platform triplet migration.

docs/modernization/roadmap.md

@@ -444,6 +444,8 @@ sampler filters, blend-state tokens, and RGBA8/RGBA texture format mapping to
 `NodeColorWheel` triangle-buffer setup and draw-state handling now delegate
 array-buffer, static-upload, vertex-attribute, primitive-mode, and blend-state
 tokens to `pp_renderer_gl`.
+Simple UI text, text-input, border, scroll, and animation timeline draw paths
+now also delegate blend-state tokens to `pp_renderer_gl`.
 The existing renderer classes are not yet fully
 behind the renderer interfaces.
 

src/node_border.cpp

@@ -1,6 +1,7 @@
 #include "pch.h"
 #include "log.h"
 #include "node_border.h"
+#include "renderer_gl/opengl_capabilities.h"
 #include "shader.h"
 
 Plane NodeBorder::m_plane;
@@ -62,21 +63,22 @@ void NodeBorder::draw()
 {
     ShaderManager::use(kShader::Color);
     ShaderManager::u_mat4(kShaderUniform::MVP, m_mvp);
+    const auto blend_state = pp::renderer::gl::blend_state();
 
     if (m_color.a > 0.f)
     {
-        m_color.a < 1.f ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
+        m_color.a < 1.f ? glEnable(blend_state) : glDisable(blend_state);
         ShaderManager::u_vec4(kShaderUniform::Col, m_color);
         m_plane.draw_fill();
-        glDisable(GL_BLEND);
+        glDisable(blend_state);
     }
 
     if (m_thinkness > 0 && m_border_color.a > 0.f)
     {
         //glLineWidth(m_thinkness);
         ShaderManager::u_vec4(kShaderUniform::Col, m_border_color);
-        m_border_color.a < 1.f ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
+        m_border_color.a < 1.f ? glEnable(blend_state) : glDisable(blend_state);
         m_plane.draw_stroke();
-        glDisable(GL_BLEND);
+        glDisable(blend_state);
     }
 }

src/node_panel_animation.cpp

@@ -2,6 +2,7 @@
 #include "node_panel_animation.h"
 #include "node_button.h"
 #include "node_button_custom.h"
+#include "renderer_gl/opengl_capabilities.h"
 #include "canvas.h"
 #include "app.h"
 
@@ -236,7 +237,7 @@ void NodeAnimationTimeline::draw()
 {
     parent::draw();
     ShaderManager::use(kShader::Color);
-    glDisable(GL_BLEND);
+    glDisable(pp::renderer::gl::blend_state());
 
     float step = 35.f;
     glm::vec2 cur_pos = {

src/node_scroll.cpp

@@ -1,6 +1,7 @@
 #include "pch.h"
 #include "log.h"
 #include "node_scroll.h"
+#include "renderer_gl/opengl_capabilities.h"
 #include "event.h"
 #include "shader.h"
 
@@ -110,7 +111,7 @@ void NodeScroll::draw()
     
     if (rect.w > 0 && rect.z > 0)
     {
-        glDisable(GL_BLEND);
+        glDisable(pp::renderer::gl::blend_state());
         ShaderManager::use(kShader::Color);
 
         if (m_direction == kScrollDirection::Vertical)

src/node_text.cpp

@@ -1,6 +1,7 @@
 #include "pch.h"
 #include "log.h"
 #include "node_text.h"
+#include "renderer_gl/opengl_capabilities.h"
 #include "shader.h"
 
 Node* NodeText::clone_instantiate() const
@@ -173,9 +174,9 @@ void NodeText::draw()
     ShaderManager::u_int(kShaderUniform::Tex, 0);
     ShaderManager::u_mat4(kShaderUniform::MVP, m_proj * pos);
     ShaderManager::u_vec4(kShaderUniform::Col, m_color);
-    glEnable(GL_BLEND);
+    glEnable(pp::renderer::gl::blend_state());
     m_text_mesh.draw();
-    glDisable(GL_BLEND);
+    glDisable(pp::renderer::gl::blend_state());
 }
 
 void NodeText::handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom)

src/node_text_input.cpp

@@ -2,6 +2,7 @@
 #include "app.h"
 #include "log.h"
 #include "node_text_input.h"
+#include "renderer_gl/opengl_capabilities.h"
 #include "node_border.h"
 
 Node* NodeTextInput::clone_instantiate() const
@@ -219,13 +220,13 @@ void NodeTextInput::draw()
     ShaderManager::u_int(kShaderUniform::Tex, 0);
     ShaderManager::u_mat4(kShaderUniform::MVP, m_proj * pos);
     ShaderManager::u_vec4(kShaderUniform::Col, m_color);
-    glEnable(GL_BLEND);
+    glEnable(pp::renderer::gl::blend_state());
     m_text_mesh.draw();
-    glDisable(GL_BLEND);
+    glDisable(pp::renderer::gl::blend_state());
 
     if (m_cursor_visible)
     {
-        glDisable(GL_BLEND);
+        glDisable(pp::renderer::gl::blend_state());
         glm::mat4 cur_pos = glm::translate(glm::vec3(m_pos + m_off + xy(m_text_mesh.cur_box), 0));
         glm::mat4 cur_scale = glm::scale(glm::vec3(zw(m_text_mesh.cur_box), 1));
         glm::mat4 cur_pivot = glm::translate(glm::vec3(0.5, 0.5, 0));