gl_rend_state massive overhaul. Created render_data_context

2026-10-08 14:48:15 +03:00 · 2025-04-25 20:38:15 +03:00
parent 9cdd9eaf94
commit 452b12e000
71 changed files with 4587 additions and 3541 deletions
@@ -0,0 +1,110 @@
+/*
+    by korenkonder
+    GitHub/GitLab: korenkonder
+*/
+
+#include "gl_state.hpp"
+
+gl_state_struct gl_state;
+
+void gl_state_struct::bind_framebuffer(GLuint framebuffer, bool force) {
+    if (force || read_framebuffer_binding != framebuffer
+        || draw_framebuffer_binding != framebuffer) {
+        glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
+        read_framebuffer_binding = framebuffer;
+        draw_framebuffer_binding = framebuffer;
+    }
+}
+
+void gl_state_struct::bind_read_framebuffer(GLuint framebuffer, bool force) {
+    if (force || read_framebuffer_binding != framebuffer) {
+        glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffer);
+        read_framebuffer_binding = framebuffer;
+    }
+}
+
+void gl_state_struct::bind_draw_framebuffer(GLuint framebuffer, bool force) {
+    if (force || draw_framebuffer_binding != framebuffer) {
+        glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
+        draw_framebuffer_binding = framebuffer;
+    }
+}
+
+void gl_state_struct::bind_vertex_array(GLuint array, bool force) {
+    if (force || vertex_array_binding != array) {
+        glBindVertexArray(array);
+        vertex_array_binding = array;
+    }
+}
+
+void gl_state_struct::bind_array_buffer(GLuint buffer, bool force) {
+    if (force || array_buffer_binding != buffer) {
+        glBindBuffer(GL_ARRAY_BUFFER, buffer);
+        array_buffer_binding = buffer;
+    }
+}
+
+void gl_state_struct::bind_element_array_buffer(GLuint buffer, bool force) {
+    if (force || element_array_buffer_binding != buffer) {
+        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer);
+        element_array_buffer_binding = buffer;
+    }
+}
+
+void gl_state_struct::bind_uniform_buffer(GLuint buffer, bool force) {
+    if (force || uniform_buffer_binding != buffer) {
+        glBindBuffer(GL_UNIFORM_BUFFER, buffer);
+        uniform_buffer_binding = buffer;
+    }
+}
+
+void gl_state_struct::bind_shader_storage_buffer(GLuint buffer, bool force) {
+    if (force || shader_storage_buffer_binding != buffer) {
+        glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer);
+        shader_storage_buffer_binding = buffer;
+    }
+}
+
+void gl_state_struct::bind_texture_2d(GLuint texture, bool force) {
+    if (texture_binding_2d != texture) {
+        glBindTexture(GL_TEXTURE_2D, texture);
+        texture_binding_2d = texture;
+    }
+}
+
+void gl_state_struct::bind_texture_cube_map(GLuint texture, bool force) {
+    if (force || texture_binding_cube_map != texture) {
+        glBindTexture(GL_TEXTURE_CUBE_MAP, texture);
+        texture_binding_cube_map = texture;
+    }
+}
+
+bool gl_state_struct::check_uniform_buffer_binding() {
+    return uniform_buffer_binding != 0;
+}
+
+bool gl_state_struct::check_shader_storage_buffer_binding() {
+    return shader_storage_buffer_binding != 0;
+}
+
+bool gl_state_struct::check_texture_binding_2d() {
+    return texture_binding_2d != 0;
+}
+
+bool gl_state_struct::check_texture_binding_cube_map() {
+    return texture_binding_cube_map != 0;
+}
+
+void gl_state_struct::get() {
+    glGetIntegerv(GL_TEXTURE_BINDING_2D, (GLint*)&texture_binding_2d);
+    glGetIntegerv(GL_TEXTURE_BINDING_CUBE_MAP, (GLint*)&texture_binding_cube_map);
+
+    glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, (GLint*)&read_framebuffer_binding);
+    glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, (GLint*)&draw_framebuffer_binding);
+    glGetIntegerv(GL_VERTEX_ARRAY_BINDING, (GLint*)&vertex_array_binding);
+    glGetIntegerv(GL_ARRAY_BUFFER_BINDING, (GLint*)&array_buffer_binding);
+    glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, (GLint*)&element_array_buffer_binding);
+
+    glGetIntegerv(GL_UNIFORM_BUFFER_BINDING, (GLint*)&uniform_buffer_binding);
+    glGetIntegerv(GL_SHADER_STORAGE_BUFFER_BINDING, (GLint*)&shader_storage_buffer_binding);
+}