-/* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */
-#ifndef VG_TEX_H
-#define VG_TEX_H
-
-#define VG_GAME
-#include "vg/vg.h"
-#include "vg/vg_log.h"
-
-#define VG_TEXTURE_NO_MIP 0x1
-#define VG_TEXTURE_REPEAT 0x2
-#define VG_TEXTURE_CLAMP 0x4
-#define VG_TEXTURE_NEAREST 0x8
-#define VG_TEXTURE_ALLOCATED_INTERNAL 0x10
-
-VG_STATIC void *vg_qoi_malloc( size_t size )
-{
- return vg_linear_alloc( vg_mem.scratch, size );
-}
-
-VG_STATIC void vg_qoi_free( void *ptr )
-{
-
-}
-
-#define QOI_IMPLEMENTATION
-#define QOI_NO_STDIO
-#define QOI_MALLOC(sz) vg_qoi_malloc( sz )
-#define QOI_FREE(p) vg_qoi_free( p )
-
-#include "submodules/qoi/qoi.h"
-
-struct vg_tex2d
-{
- const char *path;
- u32 flags;
- GLuint name;
-};
+/* Copyright (C) 2021-2024 Harry Godden (hgn) - All Rights Reserved
+ *
+ * A portion of this file is copied and altered from the QOI projects' source,
+ * Originally written by Dominic Szablewski. It is slightly modified.
+ * For the original unaltered QOI header, you can find it here:
+ * https://github.com/phoboslab/qoi/blob/master/qoi.h
+ *
+ * Copyright (C) 2021, Dominic Szablewski
+ * SPDX-License-Identifier: MIT
+ *
+ * MIT License
+ Copyright (c) 2022 Dominic Szablewski - https://phoboslab.org
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ SOFTWARE.
+*/
+
+#pragma once
+#include "vg_log.h"
+#include "vg_image.h"
+#include "vg_engine.h"
struct vg_sprite
{
v4f uv_xywh;
};
-VG_STATIC void vg_tex2d_bind( vg_tex2d *tex, u32 id )
-{
- if( !(tex->flags & VG_TEXTURE_ALLOCATED_INTERNAL) )
- {
- vg_error( "Tried to use '%s' while unloaded!\n", tex->path );
- return;
- }
-
- glActiveTexture( GL_TEXTURE0 + id );
- glBindTexture( GL_TEXTURE_2D, tex->name );
-}
-
-static inline void vg_tex2d_mipmap(void)
-{
- glGenerateMipmap( GL_TEXTURE_2D );
-}
+#define VG_TEX2D_LINEAR 0x1
+#define VG_TEX2D_NEAREST 0x2
+#define VG_TEX2D_REPEAT 0x4
+#define VG_TEX2D_CLAMP 0x8
+#define VG_TEX2D_NOMIP 0x10
-static inline void vg_tex2d_linear(void)
-{
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
-}
-
-static inline void vg_tex2d_nearest(void)
-{
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
-}
+/* options to create texutres; call only from loader thread.
+ * *dest will be replaced synchronously by the main thread when ready. */
-static inline void vg_tex2d_linear_mipmap(void)
-{
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
- GL_LINEAR_MIPMAP_LINEAR );
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
-}
-
-static inline void vg_tex2d_repeat(void)
-{
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
-}
-
-static inline void vg_tex2d_clamp(void)
-{
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
-}
+void vg_tex2d_replace_with_error_async( GLuint *dest );
-VG_STATIC GLuint vg_tex2d_new(void)
-{
- GLuint texture_name;
- glGenTextures( 1, &texture_name );
- glBindTexture( GL_TEXTURE_2D, texture_name );
-
- return texture_name;
-}
-
-VG_STATIC void vg_tex2d_set_error(void)
-{
- u32 tex_err[4] =
- {
- 0xffff00ff,
- 0xff000000,
- 0xff000000,
- 0xffff00ff
- };
-
- glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 2, 2,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, tex_err );
-}
-
-VG_STATIC void vg_tex2d_qoi( void *mem, u32 size, const char *name )
-{
- qoi_desc info;
- u8 *tex_buffer = qoi_decode( mem, size, &info, 4 );
-
- if( tex_buffer )
- {
- vg_info( "Texture decoded: [%u %u] %s\n",
- info.width, info.height, name );
-
- glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, info.width, info.height,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer );
-
- QOI_FREE(tex_buffer);
- }
- else
- {
- vg_error( "File size: %u\n", size );
- vg_tex2d_set_error();
- }
-}
-
-VG_STATIC GLuint vg_tex2d_rgba( const char *path )
-{
- GLuint texture_name = vg_tex2d_new();
-
- vg_linear_clear( vg_mem.scratch );
- u32 size;
- void *file = vg_file_read( vg_mem.scratch, path, &size );
-
- if( file )
- {
- vg_tex2d_qoi( file, size, path );
- }
- else
- {
- vg_error( "Loading texture failed (%s)\n", path );
- vg_tex2d_set_error();
- }
-
- return texture_name;
-}
-
-VG_STATIC void vg_tex2d_init( vg_tex2d *textures[], int num )
-{
- for( int i=0; i<num; i ++ )
- {
- vg_tex2d *tex = textures[i];
- tex->name = vg_tex2d_rgba( tex->path );
- if( !(tex->flags & VG_TEXTURE_NO_MIP) )
- vg_tex2d_mipmap();
-
- if( tex->flags & VG_TEXTURE_NEAREST )
- {
- if( tex->flags & VG_TEXTURE_NO_MIP )
- vg_error( "Invalid texture settings\n" );
- else
- vg_tex2d_nearest();
- }
- else
- {
- if( tex->flags & VG_TEXTURE_NO_MIP )
- vg_tex2d_linear();
- else
- vg_tex2d_linear_mipmap();
- }
-
- if( tex->flags & VG_TEXTURE_CLAMP )
- vg_tex2d_clamp();
- else
- vg_tex2d_repeat();
-
- tex->flags |= VG_TEXTURE_ALLOCATED_INTERNAL;
- }
-}
-
-VG_STATIC void vg_tex2d_free( vg_tex2d *textures[], int num )
-{
- for( int i = 0; i < num; i ++ )
- {
- glDeleteTextures( 1, &textures[i]->name );
- }
-}
+void vg_tex2d_load_qoi_async( const u8 *bytes, u32 size,
+ u32 flags, GLuint *dest );
-#endif /* VG_TEX_H */
+void vg_tex2d_load_qoi_async_file( const char *path, u32 flags, GLuint *dest );
projects / vg.git / blobdiff