Added shaders for different platforms + misc fixes

1 files changed, 1156 insertions, 114 deletions

diff --git a/util/sokol_spritebatch.h b/util/sokol_spritebatch.h
index 6def5e33..eccd1fb1 100644
--- a/util/sokol_spritebatch.h
+++ b/util/sokol_spritebatch.h
@@ -26,90 +26,90 @@
 extern "C" {
 #endif
 
-    typedef enum sbatch_sprite_flags {
-        SBATCH_FLIP_NONE = 0,
-        SBATCH_FLIP_X = 1 << 0,
-        SBATCH_FLIP_Y = 1 << 1,
-        SBATCH_FLIP_BOTH = SBATCH_FLIP_Y | SBATCH_FLIP_X
-    } sbatch_sprite_flags;
-
-    typedef struct sbatch_float2 {
-        float x;
-        float y;
-    } sbatch_float2;
-
-    typedef struct sbatch_rect {
-        float x;
-        float y;
-        float width;
-        float height;
-    } sbatch_rect;
-
-    typedef struct sbatch_sprite {
-        sg_image        image;
-        sbatch_float2   position;
-        sbatch_rect     source;
-        const sg_color* color;
-        float           rotation;
-        sbatch_float2   origin;
-        sbatch_float2   scale;
-        uint32_t        flags;
-        float           depth;
-    } sbatch_sprite;
-
-    typedef struct sbatch_sprite_rect {
-        sg_image        image;
-        sbatch_rect     destination;
-        sbatch_rect     source;
-        const sg_color* color;
-        float           rotation;
-        sbatch_float2   origin;
-        uint32_t        flags;
-        float           depth;
-    } sbatch_sprite_rect;
-
-    typedef struct sbatch_desc {
-        int context_pool_size;
-        int pipeline_pool_size;
-        sg_pixel_format color_format;
-        sg_pixel_format depth_format;
-        int sample_count;
-    } sbatch_desc;
-
-    typedef struct sbatch_context {
-        uint32_t id;
-    } sbatch_context;
-
-    typedef struct sbatch_pipeline {
-        uint32_t id;
-    } sbatch_pipeline;
-
-    typedef struct sbatch_context_desc {
-        int canvas_width;
-        int canvas_height;
-        int max_sprites;
-        sbatch_pipeline pipeline;
-        const char* label;
-    } sbatch_context_desc;
-
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_setup(const sbatch_desc* desc);
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_shutdown(void);
-    SOKOL_SPRITEBATCH_API_DECL int sbatch_frame();
-
-    SOKOL_SPRITEBATCH_API_DECL sbatch_pipeline sbatch_make_pipeline(const sg_pipeline_desc* desc);
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_destroy_pipeline(sbatch_pipeline context);
-
-    SOKOL_SPRITEBATCH_API_DECL sbatch_context sbatch_make_context(const sbatch_context_desc* desc);
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_destroy_context(sbatch_context context);
-
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_begin(sbatch_context context);
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_push_sprite(const sbatch_sprite* sprite);
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_push_sprite_rect(const sbatch_sprite_rect* sprite);
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_end(void);
-
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_apply_fs_uniforms(int ub_index, const sg_range* data);
-
-    SOKOL_SPRITEBATCH_API_DECL void sbatch_premultiply_alpha_rgba8(uint8_t* pixels, int pixel_count);
+typedef enum sbatch_sprite_flags {
+    SBATCH_FLIP_NONE = 0,
+    SBATCH_FLIP_X = 1 << 0,
+    SBATCH_FLIP_Y = 1 << 1,
+    SBATCH_FLIP_BOTH = SBATCH_FLIP_Y | SBATCH_FLIP_X
+} sbatch_sprite_flags;
+
+typedef struct sbatch_float2 {
+    float x;
+    float y;
+} sbatch_float2;
+
+typedef struct sbatch_rect {
+    float x;
+    float y;
+    float width;
+    float height;
+} sbatch_rect;
+
+typedef struct sbatch_sprite {
+    sg_image image;
+    sbatch_float2 position;
+    sbatch_rect source;
+    const sg_color* color;
+    float rotation;
+    sbatch_float2 origin;
+    sbatch_float2 scale;
+    uint32_t flags;
+    float depth;
+} sbatch_sprite;
+
+typedef struct sbatch_sprite_rect {
+    sg_image image;
+    sbatch_rect destination;
+    sbatch_rect source;
+    const sg_color* color;
+    float rotation;
+    sbatch_float2 origin;
+    uint32_t flags;
+    float depth;
+} sbatch_sprite_rect;
+
+typedef struct sbatch_desc {
+    int context_pool_size;
+    int pipeline_pool_size;
+    sg_pixel_format color_format;
+    sg_pixel_format depth_format;
+    int sample_count;
+} sbatch_desc;
+
+typedef struct sbatch_context {
+    uint32_t id;
+} sbatch_context;
+
+typedef struct sbatch_pipeline {
+    uint32_t id;
+} sbatch_pipeline;
+
+typedef struct sbatch_context_desc {
+    int canvas_width;
+    int canvas_height;
+    int max_sprites;
+    sbatch_pipeline pipeline;
+    const char* label;
+} sbatch_context_desc;
+
+SOKOL_SPRITEBATCH_API_DECL void sbatch_setup(const sbatch_desc* desc);
+SOKOL_SPRITEBATCH_API_DECL void sbatch_shutdown(void);
+SOKOL_SPRITEBATCH_API_DECL int sbatch_frame();
+
+SOKOL_SPRITEBATCH_API_DECL sbatch_pipeline sbatch_make_pipeline(const sg_pipeline_desc* desc);
+SOKOL_SPRITEBATCH_API_DECL void sbatch_destroy_pipeline(sbatch_pipeline context);
+
+SOKOL_SPRITEBATCH_API_DECL sbatch_context sbatch_make_context(const sbatch_context_desc* desc);
+SOKOL_SPRITEBATCH_API_DECL void sbatch_destroy_context(sbatch_context context);
+
+SOKOL_SPRITEBATCH_API_DECL void sbatch_begin(sbatch_context context);
+SOKOL_SPRITEBATCH_API_DECL void sbatch_push_sprite(const sbatch_sprite* sprite);
+SOKOL_SPRITEBATCH_API_DECL void sbatch_push_sprite_rect(const sbatch_sprite_rect* sprite);
+SOKOL_SPRITEBATCH_API_DECL void sbatch_end(void);
+
+SOKOL_SPRITEBATCH_API_DECL void sbatch_apply_fs_uniforms(int ub_index, const sg_range* data);
+
+SOKOL_SPRITEBATCH_API_DECL void sbatch_premultiply_alpha_rgba8(uint8_t* pixels, int pixel_count);
 
 #ifdef __cplusplus
 } /* extern "C" */
@@ -171,11 +171,11 @@ extern "C" {
 #define _SBATCH_STRBUF_LEN (96)
 
 typedef struct {
-    float    x;
-    float    y;
-    float    z;
-    float    u;
-    float    v;
+    float x;
+    float y;
+    float z;
+    float u;
+    float v;
     uint32_t rgba;
 } _sbatch_vertex;
 
@@ -232,15 +232,15 @@ typedef struct {
 
 typedef struct {
     sg_image image;
-    int      width;
-    int      height;
-    float    texel_width;
-    float    texel_height;
+    int width;
+    int height;
+    float texel_width;
+    float texel_height;
 } _sbatch_sprite_data;
 
 typedef struct {
     _sbatch_sprite_data* data;
-    size_t           size;
+    size_t size;
 } _sbatch_sprite_pool;
 
 typedef struct {
@@ -263,8 +263,257 @@ typedef struct {
 
 static _sbatch_t _sbatch;
 
-#if defined(SOKOL_D3D11)
-static const uint8_t vs_bytecode[884] = {
+/*
+    Embedded source code compiled with:
+
+    sokol-shdc -i sgl.glsl -o sgl.h -l glsl330:glsl100:hlsl4:metal_macos:metal_ios:metal_sim:wgpu -b
+
+    @vs vs
+    uniform vs_params {
+        mat4 mvp;
+    };
+
+    in vec3 pos;
+    in vec2 texcoord0;
+    in vec4 color0;
+
+    out vec2 uv;
+    out vec4 color;
+
+    void main() {
+        gl_Position = mvp * vec4(pos, 1.0f);
+        uv = texcoord0;
+        color = color0;
+    }
+    @end
+
+    @fs fs
+    uniform sampler2D tex;
+
+    in vec2 uv;
+    in vec4 color;
+
+    out vec4 frag_color;
+
+    void main() {
+        frag_color = color * texture(tex, uv);
+    }
+    @end
+
+    @program spritebatch vs fs
+ */
+#include <stdint.h>
+#include <stdbool.h>
+#if !defined(SOKOL_SHDC_ALIGN)
+#if defined(_MSC_VER)
+#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
+#else
+#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
+#endif
+#endif
+#define ATTR_vs_pos (0)
+#define ATTR_vs_texcoord0 (1)
+#define ATTR_vs_color0 (2)
+#define SLOT_tex (0)
+#define SLOT_vs_params (0)
+#pragma pack(push,1)
+SOKOL_SHDC_ALIGN(16) typedef struct vs_params_t {
+    float mvp[16];
+} vs_params_t;
+#pragma pack(pop)
+/*
+    #version 330
+
+    uniform vec4 vs_params[4];
+    layout(location = 0) in vec3 pos;
+    out vec2 uv;
+    layout(location = 1) in vec2 texcoord0;
+    out vec4 color;
+    layout(location = 2) in vec4 color0;
+
+    void main()
+    {
+        gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * vec4(pos, 1.0);
+        uv = texcoord0;
+        color = color0;
+    }
+
+*/
+static const char vs_source_glsl330[337] = {
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+    0x00,
+};
+/*
+    #version 330
+
+    uniform sampler2D tex;
+
+    layout(location = 0) out vec4 frag_color;
+    in vec4 color;
+    in vec2 uv;
+
+    void main()
+    {
+        frag_color = color * texture(tex, uv);
+    }
+
+*/
+static const char fs_source_glsl330[169] = {
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+};
+/*
+    #version 100
+
+    uniform vec4 vs_params[4];
+    attribute vec3 pos;
+    varying vec2 uv;
+    attribute vec2 texcoord0;
+    varying vec4 color;
+    attribute vec4 color0;
+
+    void main()
+    {
+        gl_Position = mat4(vs_params[0], vs_params[1], vs_params[2], vs_params[3]) * vec4(pos, 1.0);
+        uv = texcoord0;
+        color = color0;
+    }
+
+*/
+static const char vs_source_glsl100[303] = {
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+};
+/*
+    #version 100
+    precision mediump float;
+    precision highp int;
+
+    uniform highp sampler2D tex;
+
+    varying highp vec4 color;
+    varying highp vec2 uv;
+
+    void main()
+    {
+        gl_FragData[0] = color * texture2D(tex, uv);
+    }
+
+*/
+static const char fs_source_glsl100[207] = {
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+    0x20,0x6d,0x61,0x69,0x6e,0x28,0x29,0x0a,0x7b,0x0a,0x20,0x20,0x20,0x20,0x67,0x6c,
+    0x5f,0x46,0x72,0x61,0x67,0x44,0x61,0x74,0x61,0x5b,0x30,0x5d,0x20,0x3d,0x20,0x63,
+    0x6f,0x6c,0x6f,0x72,0x20,0x2a,0x20,0x74,0x65,0x78,0x74,0x75,0x72,0x65,0x32,0x44,
+    0x28,0x74,0x65,0x78,0x2c,0x20,0x75,0x76,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    cbuffer vs_params : register(b0)
+    {
+        row_major float4x4 _21_mvp : packoffset(c0);
+    };
+
+
+    static float4 gl_Position;
+    static float3 pos;
+    static float2 uv;
+    static float2 texcoord0;
+    static float4 color;
+    static float4 color0;
+
+    struct SPIRV_Cross_Input
+    {
+        float3 pos : TEXCOORD0;
+        float2 texcoord0 : TEXCOORD1;
+        float4 color0 : TEXCOORD2;
+    };
+
+    struct SPIRV_Cross_Output
+    {
+        float2 uv : TEXCOORD0;
+        float4 color : TEXCOORD1;
+        float4 gl_Position : SV_Position;
+    };
+
+    #line 18 "gfx.glsl"
+    void vert_main()
+    {
+    #line 18 "gfx.glsl"
+        gl_Position = mul(float4(pos, 1.0f), _21_mvp);
+    #line 19 "gfx.glsl"
+        uv = texcoord0;
+    #line 20 "gfx.glsl"
+        color = color0;
+    }
+
+    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
+    {
+        pos = stage_input.pos;
+        texcoord0 = stage_input.texcoord0;
+        color0 = stage_input.color0;
+        vert_main();
+        SPIRV_Cross_Output stage_output;
+        stage_output.gl_Position = gl_Position;
+        stage_output.uv = uv;
+        stage_output.color = color;
+        return stage_output;
+    }
+*/
+static const uint8_t vs_bytecode_hlsl4[884] = {
     0x44,0x58,0x42,0x43,0x5f,0x8c,0xaf,0xe1,0x5e,0x2d,0xba,0x0e,0x85,0xba,0xeb,0xc5,
     0x0c,0x64,0x6d,0x0c,0x01,0x00,0x00,0x00,0x74,0x03,0x00,0x00,0x05,0x00,0x00,0x00,
     0x34,0x00,0x00,0x00,0xf4,0x00,0x00,0x00,0x58,0x01,0x00,0x00,0xc8,0x01,0x00,0x00,
@@ -322,8 +571,43 @@ static const uint8_t vs_bytecode[884] = {
     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
     0x00,0x00,0x00,0x00,
 };
+/*
+    Texture2D<float4> tex : register(t0);
+    SamplerState _tex_sampler : register(s0);
+
+    static float4 frag_color;
+    static float4 color;
+    static float2 uv;
+
+    struct SPIRV_Cross_Input
+    {
+        float2 uv : TEXCOORD0;
+        float4 color : TEXCOORD1;
+    };
+
+    struct SPIRV_Cross_Output
+    {
+        float4 frag_color : SV_Target0;
+    };
+
+    #line 14 "gfx.glsl"
+    void frag_main()
+    {
+    #line 14 "gfx.glsl"
+        frag_color = color * tex.Sample(_tex_sampler, uv);
+    }
 
-static const uint8_t fs_bytecode[620] = {
+    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
+    {
+        color = stage_input.color;
+        uv = stage_input.uv;
+        frag_main();
+        SPIRV_Cross_Output stage_output;
+        stage_output.frag_color = frag_color;
+        return stage_output;
+    }
+*/
+static const uint8_t fs_bytecode_hlsl4[620] = {
     0x44,0x58,0x42,0x43,0xd1,0x93,0x1f,0x1b,0x9d,0x70,0x90,0xeb,0xc2,0x7c,0x26,0x07,
     0xdf,0x52,0xda,0x49,0x01,0x00,0x00,0x00,0x6c,0x02,0x00,0x00,0x05,0x00,0x00,0x00,
     0x34,0x00,0x00,0x00,0xd4,0x00,0x00,0x00,0x20,0x01,0x00,0x00,0x54,0x01,0x00,0x00,
@@ -364,8 +648,698 @@ static const uint8_t fs_bytecode[620] = {
     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
     0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 };
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct vs_params
+    {
+        float4x4 mvp;
+    };
+
+    struct main0_out
+    {
+        float2 uv [[user(locn0)]];
+        float4 color [[user(locn1)]];
+        float4 gl_Position [[position]];
+    };
+
+    struct main0_in
+    {
+        float3 pos [[attribute(0)]];
+        float2 texcoord0 [[attribute(1)]];
+        float4 color0 [[attribute(2)]];
+    };
+
+    #line 18 "gfx.glsl"
+    vertex main0_out main0(main0_in in [[stage_in]], constant vs_params& _21 [[buffer(0)]])
+    {
+        main0_out out = {};
+    #line 18 "gfx.glsl"
+        out.gl_Position = _21.mvp * float4(in.pos, 1.0);
+    #line 19 "gfx.glsl"
+        out.uv = in.texcoord0;
+    #line 20 "gfx.glsl"
+        out.color = in.color0;
+        return out;
+    }
+
+*/
+static const char vs_source_metal_macos[689] = {
+    0x23,0x69,0x6e,0x63,0x6c,0x75,0x64,0x65,0x20,0x3c,0x6d,0x65,0x74,0x61,0x6c,0x5f,
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+    0x00,
+};
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct main0_out
+    {
+        float4 frag_color [[color(0)]];
+    };
+
+    struct main0_in
+    {
+        float2 uv [[user(locn0)]];
+        float4 color [[user(locn1)]];
+    };
+
+    #line 14 "gfx.glsl"
+    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler texSmplr [[sampler(0)]])
+    {
+        main0_out out = {};
+    #line 14 "gfx.glsl"
+        out.frag_color = in.color * tex.sample(texSmplr, in.uv);
+        return out;
+    }
+
+*/
+static const char fs_source_metal_macos[486] = {
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+    0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct vs_params
+    {
+        float4x4 mvp;
+    };
+
+    struct main0_out
+    {
+        float2 uv [[user(locn0)]];
+        float4 color [[user(locn1)]];
+        float4 gl_Position [[position]];
+    };
+
+    struct main0_in
+    {
+        float3 pos [[attribute(0)]];
+        float2 texcoord0 [[attribute(1)]];
+        float4 color0 [[attribute(2)]];
+    };
+
+    #line 18 "gfx.glsl"
+    vertex main0_out main0(main0_in in [[stage_in]], constant vs_params& _21 [[buffer(0)]])
+    {
+        main0_out out = {};
+    #line 18 "gfx.glsl"
+        out.gl_Position = _21.mvp * float4(in.pos, 1.0);
+    #line 19 "gfx.glsl"
+        out.uv = in.texcoord0;
+    #line 20 "gfx.glsl"
+        out.color = in.color0;
+        return out;
+    }
+
+*/
+static const char vs_source_metal_ios[689] = {
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+    0x00,
+};
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct main0_out
+    {
+        float4 frag_color [[color(0)]];
+    };
+
+    struct main0_in
+    {
+        float2 uv [[user(locn0)]];
+        float4 color [[user(locn1)]];
+    };
+
+    #line 14 "gfx.glsl"
+    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler texSmplr [[sampler(0)]])
+    {
+        main0_out out = {};
+    #line 14 "gfx.glsl"
+        out.frag_color = in.color * tex.sample(texSmplr, in.uv);
+        return out;
+    }
+
+*/
+static const char fs_source_metal_ios[486] = {
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+    0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
+};
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct vs_params
+    {
+        float4x4 mvp;
+    };
+
+    struct main0_out
+    {
+        float2 uv [[user(locn0)]];
+        float4 color [[user(locn1)]];
+        float4 gl_Position [[position]];
+    };
+
+    struct main0_in
+    {
+        float3 pos [[attribute(0)]];
+        float2 texcoord0 [[attribute(1)]];
+        float4 color0 [[attribute(2)]];
+    };
+
+    #line 18 "gfx.glsl"
+    vertex main0_out main0(main0_in in [[stage_in]], constant vs_params& _21 [[buffer(0)]])
+    {
+        main0_out out = {};
+    #line 18 "gfx.glsl"
+        out.gl_Position = _21.mvp * float4(in.pos, 1.0);
+    #line 19 "gfx.glsl"
+        out.uv = in.texcoord0;
+    #line 20 "gfx.glsl"
+        out.color = in.color0;
+        return out;
+    }
+
+*/
+static const char vs_source_metal_sim[689] = {
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+    0x00,
+};
+/*
+    #include <metal_stdlib>
+    #include <simd/simd.h>
+
+    using namespace metal;
+
+    struct main0_out
+    {
+        float4 frag_color [[color(0)]];
+    };
+
+    struct main0_in
+    {
+        float2 uv [[user(locn0)]];
+        float4 color [[user(locn1)]];
+    };
+
+    #line 14 "gfx.glsl"
+    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler texSmplr [[sampler(0)]])
+    {
+        main0_out out = {};
+    #line 14 "gfx.glsl"
+        out.frag_color = in.color * tex.sample(texSmplr, in.uv);
+        return out;
+    }
 
-static const sg_shader_desc* spritebatch_shader_desc(sg_backend backend) {
+*/
+static const char fs_source_metal_sim[486] = {
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+};
+/*
+    #version 450
+
+    layout(set = 0, binding = 0, std140) uniform vs_params
+    {
+        mat4 mvp;
+    } _21;
+
+    layout(location = 0) in vec3 pos;
+    layout(location = 0) out vec2 uv;
+    layout(location = 1) in vec2 texcoord0;
+    layout(location = 1) out vec4 color;
+    layout(location = 2) in vec4 color0;
+
+    void main()
+    {
+        gl_Position = _21.mvp * vec4(pos, 1.0);
+        uv = texcoord0;
+        color = color0;
+    }
+
+*/
+static const uint8_t vs_bytecode_wgpu[1716] = {
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+    0x3d,0x00,0x04,0x00,0x09,0x00,0x00,0x00,0x2e,0x00,0x00,0x00,0x2d,0x00,0x00,0x00,
+    0x3e,0x00,0x03,0x00,0x2b,0x00,0x00,0x00,0x2e,0x00,0x00,0x00,0xfd,0x00,0x01,0x00,
+    0x38,0x00,0x01,0x00,
+};
+/*
+    #version 450
+
+    layout(location = 0, set = 2, binding = 0) uniform sampler2D tex;
+
+    layout(location = 0) out vec4 frag_color;
+    layout(location = 1) in vec4 color;
+    layout(location = 0) in vec2 uv;
+
+    void main()
+    {
+        frag_color = color * texture(tex, uv);
+    }
+
+*/
+static const uint8_t fs_bytecode_wgpu[924] = {
+    0x03,0x02,0x23,0x07,0x00,0x00,0x01,0x00,0x08,0x00,0x08,0x00,0x1a,0x00,0x00,0x00,
+    0x00,0x00,0x00,0x00,0x11,0x00,0x02,0x00,0x01,0x00,0x00,0x00,0x0b,0x00,0x06,0x00,
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+    0x3d,0x00,0x04,0x00,0x09,0x00,0x00,0x00,0x0e,0x00,0x00,0x00,0x0d,0x00,0x00,0x00,
+    0x3d,0x00,0x04,0x00,0x10,0x00,0x00,0x00,0x13,0x00,0x00,0x00,0x12,0x00,0x00,0x00,
+    0x3d,0x00,0x04,0x00,0x14,0x00,0x00,0x00,0x17,0x00,0x00,0x00,0x16,0x00,0x00,0x00,
+    0x57,0x00,0x05,0x00,0x09,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x13,0x00,0x00,0x00,
+    0x17,0x00,0x00,0x00,0x85,0x00,0x05,0x00,0x09,0x00,0x00,0x00,0x19,0x00,0x00,0x00,
+    0x0e,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0x3e,0x00,0x03,0x00,0x0b,0x00,0x00,0x00,
+    0x19,0x00,0x00,0x00,0xfd,0x00,0x01,0x00,0x38,0x00,0x01,0x00,
+};
+#if !defined(SOKOL_GFX_INCLUDED)
+#error "Please include sokol_gfx.h before sgl.h"
+#endif
+static inline const sg_shader_desc* spritebatch_shader_desc(sg_backend backend) {
+    if (backend == SG_BACKEND_GLCORE33) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.attrs[0].name = "pos";
+            desc.attrs[1].name = "texcoord0";
+            desc.attrs[2].name = "color0";
+            desc.vs.source = vs_source_glsl330;
+            desc.vs.entry = "main";
+            desc.vs.uniform_blocks[0].size = 64;
+            desc.vs.uniform_blocks[0].uniforms[0].name = "vs_params";
+            desc.vs.uniform_blocks[0].uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.vs.uniform_blocks[0].uniforms[0].array_count = 4;
+            desc.fs.source = fs_source_glsl330;
+            desc.fs.entry = "main";
+            desc.fs.images[0].name = "tex";
+            desc.fs.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.fs.images[0].sampler_type = SG_SAMPLERTYPE_FLOAT;
+            desc.label = "spritebatch_shader";
+        };
+        return &desc;
+    }
+    if (backend == SG_BACKEND_GLES2) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.attrs[0].name = "pos";
+            desc.attrs[1].name = "texcoord0";
+            desc.attrs[2].name = "color0";
+            desc.vs.source = vs_source_glsl100;
+            desc.vs.entry = "main";
+            desc.vs.uniform_blocks[0].size = 64;
+            desc.vs.uniform_blocks[0].uniforms[0].name = "vs_params";
+            desc.vs.uniform_blocks[0].uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
+            desc.vs.uniform_blocks[0].uniforms[0].array_count = 4;
+            desc.fs.source = fs_source_glsl100;
+            desc.fs.entry = "main";
+            desc.fs.images[0].name = "tex";
+            desc.fs.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.fs.images[0].sampler_type = SG_SAMPLERTYPE_FLOAT;
+            desc.label = "spritebatch_shader";
+        };
+        return &desc;
+    }
     if (backend == SG_BACKEND_D3D11) {
         static sg_shader_desc desc;
         static bool valid;
@@ -377,11 +1351,11 @@ static const sg_shader_desc* spritebatch_shader_desc(sg_backend backend) {
             desc.attrs[1].sem_index = 1;
             desc.attrs[2].sem_name = "TEXCOORD";
             desc.attrs[2].sem_index = 2;
-            desc.vs.bytecode.ptr = vs_bytecode;
+            desc.vs.bytecode.ptr = vs_bytecode_hlsl4;
             desc.vs.bytecode.size = 884;
             desc.vs.entry = "main";
             desc.vs.uniform_blocks[0].size = 64;
-            desc.fs.bytecode.ptr = fs_bytecode;
+            desc.fs.bytecode.ptr = fs_bytecode_hlsl4;
             desc.fs.bytecode.size = 620;
             desc.fs.entry = "main";
             desc.fs.images[0].name = "tex";
@@ -391,18 +1365,86 @@ static const sg_shader_desc* spritebatch_shader_desc(sg_backend backend) {
         };
         return &desc;
     }
+    if (backend == SG_BACKEND_METAL_MACOS) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vs.source = vs_source_metal_macos;
+            desc.vs.entry = "main0";
+            desc.vs.uniform_blocks[0].size = 64;
+            desc.fs.source = fs_source_metal_macos;
+            desc.fs.entry = "main0";
+            desc.fs.images[0].name = "tex";
+            desc.fs.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.fs.images[0].sampler_type = SG_SAMPLERTYPE_FLOAT;
+            desc.label = "spritebatch_shader";
+        };
+        return &desc;
+    }
+    if (backend == SG_BACKEND_METAL_IOS) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vs.source = vs_source_metal_ios;
+            desc.vs.entry = "main0";
+            desc.vs.uniform_blocks[0].size = 64;
+            desc.fs.source = fs_source_metal_ios;
+            desc.fs.entry = "main0";
+            desc.fs.images[0].name = "tex";
+            desc.fs.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.fs.images[0].sampler_type = SG_SAMPLERTYPE_FLOAT;
+            desc.label = "spritebatch_shader";
+        };
+        return &desc;
+    }
+    if (backend == SG_BACKEND_METAL_SIMULATOR) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vs.source = vs_source_metal_sim;
+            desc.vs.entry = "main0";
+            desc.vs.uniform_blocks[0].size = 64;
+            desc.fs.source = fs_source_metal_sim;
+            desc.fs.entry = "main0";
+            desc.fs.images[0].name = "tex";
+            desc.fs.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.fs.images[0].sampler_type = SG_SAMPLERTYPE_FLOAT;
+            desc.label = "spritebatch_shader";
+        };
+        return &desc;
+    }
+    if (backend == SG_BACKEND_WGPU) {
+        static sg_shader_desc desc;
+        static bool valid;
+        if (!valid) {
+            valid = true;
+            desc.vs.bytecode.ptr = vs_bytecode_wgpu;
+            desc.vs.bytecode.size = 1716;
+            desc.vs.entry = "main";
+            desc.vs.uniform_blocks[0].size = 64;
+            desc.fs.bytecode.ptr = fs_bytecode_wgpu;
+            desc.fs.bytecode.size = 924;
+            desc.fs.entry = "main";
+            desc.fs.images[0].name = "tex";
+            desc.fs.images[0].image_type = SG_IMAGETYPE_2D;
+            desc.fs.images[0].sampler_type = SG_SAMPLERTYPE_FLOAT;
+            desc.label = "spritebatch_shader";
+        };
+        return &desc;
+    }
     return 0;
 }
 
-#endif
-
 static void _sbatch_strcpy(_sbatch_str* dst, const char* src) {
     SOKOL_ASSERT(dst);
     if (src) {
 #if defined(_MSC_VER)
         strncpy_s(dst->buf, _SBATCH_STRBUF_LEN, src, (_SBATCH_STRBUF_LEN - 1));
 #else
-        strncpy(dst->buf, src, SG_IMGUI_STRBUF_LEN);
+        strncpy(dst->buf, src, _SBATCH_STRBUF_LEN);
 #endif
         dst->buf[_SBATCH_STRBUF_LEN - 1] = 0;
     }
@@ -560,8 +1602,6 @@ static sbatch_context _sbatch_alloc_context(void) {
     return ctx_id;
 }
 
-///////////////////////////////
-
 static void _sbatch_setup_pipeline_pool(const sbatch_desc* desc) {
     SOKOL_ASSERT(desc);
     /* note: the pool will have an additional item, since slot 0 is reserved */
@@ -649,7 +1689,7 @@ static void _sbatch_init_context(sbatch_context ctx_id, const sbatch_context_des
     ctx->vertices = (_sbatch_vertex*)SOKOL_MALLOC(vbuf_size);
     SOKOL_ASSERT(ctx->vertices);
 
-    ctx->images = (sg_image*)SOKOL_MALLOC(ctx->desc.max_sprites * sizeof(sg_image));
+    ctx->images = (sg_image*)SOKOL_MALLOC((size_t)ctx->desc.max_sprites * sizeof(sg_image));
     SOKOL_ASSERT(ctx->images);
 
     ctx->pipeline.id = _SBATCH_DEFAULT(in_desc->pipeline.id, _sbatch.pipeline.id);
@@ -910,6 +1950,10 @@ SOKOL_API_IMPL void sbatch_setup(const sbatch_desc* desc) {
     memset(&pipeline_desc, 0, sizeof(sg_pipeline_desc));
     pipeline_desc.shader = _sbatch.shader;
     pipeline_desc.label = "spritebatch-default-pipeline";
+    pipeline_desc.color_count = 1;
+    pipeline_desc.colors[0].pixel_format = desc->color_format;
+    pipeline_desc.depth.pixel_format = desc->depth_format;
+    pipeline_desc.sample_count = desc->sample_count;
     _sbatch.pipeline = sbatch_make_pipeline(&pipeline_desc);
 
     _sbatch_init_index_buffer();
@@ -1036,8 +2080,7 @@ SOKOL_API_IMPL void sbatch_push_sprite(const sbatch_sprite* sprite) {
                 tex_coord_top_left,
                 tex_coord_bottom_right,
                 sprite->depth);
-        }
-        else {
+        } else {
             _sbatch_init_quad_rotated(vertices,
                 sprite->position.x,
                 sprite->position.y,
@@ -1052,13 +2095,11 @@ SOKOL_API_IMPL void sbatch_push_sprite(const sbatch_sprite* sprite) {
                 tex_coord_bottom_right,
                 sprite->depth);
         }
-    }
-    else {
+    } else {
         if (ctx->label.buf[0] != '\0') {
             SOKOL_LOG("sokol_spritebatch.h: dropped sprites, increase max_sprites of sbatch_context:");
             SOKOL_LOG(ctx->label.buf);
-        }
-        else {
+        } else {
             SOKOL_LOG("sokol_spritebatch.h: dropped sprites, increase max_sprites");
         }
     }
@@ -1150,8 +2191,7 @@ SOKOL_API_IMPL void sbatch_push_sprite_rect(const sbatch_sprite_rect* sprite) {
                 tex_coord_bottom_right,
                 sprite->depth);
         }
-    }
-    else {
+    } else {
         if (ctx->label.buf[0] != '\0') {
             SOKOL_LOG("sokol_spritebatch.h: dropped sprites, increase max_sprites of sbatch_context:");
             SOKOL_LOG(ctx->label.buf);
@@ -1216,6 +2256,8 @@ void sbatch_end(void) {
     const _sbatch_pipeline* pipeline = _sbatch_pipeline_at(ctx->pipeline.id);
     sg_apply_pipeline(pipeline->pipeline);
 
+    sg_apply_viewportf(0.0f, 0.0f, (float)ctx->desc.canvas_width, (float)ctx->desc.canvas_height, true);
+
     _sbatch_mat4x4 matrix =
         _sbatch_orthographic_off_center(0.0f, (float)ctx->desc.canvas_width, (float)ctx->desc.canvas_height, 0.0f, 0.0f, 1000.0f);