[WIP] Add text rendering

graphics/src/rse_vulkan_image.c

@@ -242,6 +242,10 @@ static rse_err_t format_to_pixel_size(VkFormat format,
 {
     switch (format)
     {
+    case VK_FORMAT_R8_SRGB:
+    case VK_FORMAT_R8_UNORM:
+        *format_size = 1;
+        break;
     case VK_FORMAT_R8G8B8A8_SRGB:
         *format_size = 4;
         break;
@@ -258,7 +262,7 @@ static rse_err_t format_to_pixel_size(VkFormat format,
 static rse_err_t create_textured_image(uint32_t width,
                                     uint32_t height,
                                     VkFormat format,
-                                    unsigned char* pixels,
+                                    const unsigned char* pixels,
                                     uint16_t* texture_id)
 {
     rse_err_t status = RSE_ERROR_NO_ERROR;
@@ -403,7 +407,20 @@ rse_err_t init_vulkan_images()
     return status;
 }
 
-rse_err_t rse_load_texture(const char* file_path, uint16_t* texture_id)
+rse_err_t rse_load_texture_from_bitmat(const unsigned char* pixel_buffer, int width, int height, uint16_t* texture_id, VkFormat color_format)
+{
+    rse_err_t status = RSE_ERROR_NO_ERROR;
+
+    /* Create actual Vulkan Image */
+   STATUS_CHECK(create_textured_image(width,
+                                        height,
+                                        color_format,
+                                        pixel_buffer, texture_id));
+
+    return status;
+}
+
+rse_err_t rse_load_texture_from_file(const char* file_path, uint16_t* texture_id)
 {
     rse_err_t status = RSE_ERROR_NO_ERROR;
     int width = 0;
@@ -418,16 +435,11 @@ rse_err_t rse_load_texture(const char* file_path, uint16_t* texture_id)
         return -1;
     }
 
-    /* Create actual Vulkan Image */
-    status = create_textured_image(width,
-                        height,
-                        VK_FORMAT_R8G8B8A8_SRGB,
-                        pixel_buffer, texture_id);
+    STATUS_CHECK(rse_load_texture_from_bitmat(pixel_buffer, width, height, texture_id, VK_FORMAT_R8G8B8A8_SRGB));
 
     stbi_image_free(pixel_buffer);
 
     return status;
-
 }
 
 void rse_destroy_textures()