Clean up shader code

bootstrap/shaders/quad.vert

@@ -1,38 +0,0 @@
-#version 450
-#extension GL_EXT_buffer_reference : require
-#extension GL_EXT_debug_printf : require
-
-layout (location = 0) out vec2 out_uv;
-
-struct Vertex {
-    float x;
-    float y;
-    float uv_x;
-    float uv_y;
-}; 
-
-layout(buffer_reference, std430) readonly buffer VertexBuffer{ 
-   Vertex vertices[];
-};
-
-//push constants block
-layout( push_constant ) uniform constants
-{
-    VertexBuffer vertex_buffer;
-    float width;
-    float height;
-} PushConstants;
-
-void main() 
-{
-    //load vertex data from device address
-    Vertex v = PushConstants.vertex_buffer.vertices[gl_VertexIndex];
-    float width = PushConstants.width;
-    float height = PushConstants.height;
-
-    //output data
-    gl_Position = vec4(2 * v.x / width - 1, 1 - (2 * v.y) / height, 0.0, 1.0);
-    out_uv = vec2(v.uv_x, v.uv_y);
-    //debugPrintfEXT("Position: (%f, %f, %f)\n", v.position.x, v.position.y, v.position.z);
-    //debugPrintfEXT("Color: (%f, %f, %f)\n", v.color.x, v.color.y, v.color.z);
-}

bootstrap/shaders/quad_tex.frag

@@ -1,14 +0,0 @@
-#version 450
-
-//shader input
-layout (location = 0) in vec2 in_uv;
-
-//output write
-layout (location = 0) out vec4 out_frag_color;
-
-layout(set = 0, binding = 0) uniform sampler2D display_texture;
-
-void main() 
-{
-    out_frag_color = texture(display_texture, in_uv);
-}

bootstrap/shaders/rect.frag

@@ -3,7 +3,7 @@
 #extension GL_EXT_debug_printf : require
 #extension GL_GOOGLE_include_directive : require
 
-#include "font.h"
+#include "rect.h"
 
 layout (location = 0) in flat uint texture_index;
 layout (location = 1) in FragmentShaderInput inputs;

bootstrap/shaders/rect.vert

@@ -3,7 +3,7 @@
 #extension GL_EXT_debug_printf : require
 #extension GL_GOOGLE_include_directive : require
 
-#include "font.h"
+#include "rect.h"
 
 layout (location = 0) out uint texture_index;
 layout (location = 1) out FragmentShaderInput outputs;

bootstrap/std/renderer_vulkan.c

@@ -252,7 +252,7 @@ fn String vulkan_result_to_string(VkResult result)
         //case_to_name(VK_, INCOMPATIBLE_SHADER_BINARY_EXT);
         //case_to_name(VK_, PIPELINE_BINARY_MISSING_KHR);
         //case_to_name(VK_, ERROR_NOT_ENOUGH_SPACE_KHR);
-        case_to_name(VK_, RESULT_MAX_ENUM);
+        default: unreachable();
     }
 }
 
@@ -1095,8 +1095,8 @@ Renderer* renderer_initialize(Arena* arena)
     }
 
     String shader_source_paths[] = {
-        strlit("bootstrap/shaders/font.vert"),
-        strlit("bootstrap/shaders/font.frag"),
+        strlit("bootstrap/shaders/rect.vert"),
+        strlit("bootstrap/shaders/rect.frag"),
     };
 
     PipelineLayoutCreate pipeline_layouts[] = {
@@ -2265,10 +2265,13 @@ void window_render_text(Renderer* renderer, RenderWindow* window, String string,
     {
         auto ch = string.pointer[i];
         auto* character = &texture_atlas->characters[ch];
+
         auto pos_x = x_offset;
         auto pos_y = y_offset + character->y_offset + height + texture_atlas->descent; // Offset of the height to render the character from the bottom (y + height) up (y)
+                                                                                       //
         auto uv_x = character->x;
         auto uv_y = character->y;
+
         auto uv_width = character->width;
         auto uv_height = character->height;