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avoid deprecated functions if possible

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This commit is contained in:
FunkyFr3sh 2018-05-20 06:27:53 +02:00
parent 07182e2055
commit d36d432c1a
6 changed files with 285 additions and 60 deletions
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3
inc/opengl.h
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@ -54,6 +54,9 @@ extern PFNGLBINDBUFFERPROC glBindBuffer;
extern PFNGLBUFFERDATAPROC glBufferData;
extern PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer;
extern PFNGLDELETEBUFFERSPROC glDeleteBuffers;
extern PFNGLGENVERTEXARRAYSPROC glGenVertexArrays;
extern PFNGLBINDVERTEXARRAYPROC glBindVertexArray;
extern PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays;
extern PFNGLACTIVETEXTUREPROC glActiveTexture;

99
inc/paletteshader.h Normal file
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@ -0,0 +1,99 @@
// old
const GLchar *PassthroughVertShader110Src =
"#version 110\n"
"varying vec2 TexCoord0; \n"
"\n"
"void main(void)\n"
"{\n"
" gl_Position = ftransform(); \n"
" TexCoord0 = gl_MultiTexCoord0.xy; \n"
"}\n";
const GLchar *PaletteFragShader110Src =
"#version 110\n"
"uniform sampler2D PaletteTex; \n"
"uniform sampler2D SurfaceTex; \n"
"varying vec2 TexCoord0; \n"
"\n"
"void main()\n"
"{\n"
" vec4 index = texture2D(SurfaceTex, TexCoord0); \n"
" vec4 texel = texture2D(PaletteTex, index.xy); \n"
" gl_FragColor = texel;\n"
"}\n";
// new
const GLchar *PassthroughVertShaderSrc =
"#if __VERSION__ >= 130\n"
"#define COMPAT_VARYING out\n"
"#define COMPAT_ATTRIBUTE in\n"
"#define COMPAT_TEXTURE texture\n"
"#else\n"
"#define COMPAT_VARYING varying \n"
"#define COMPAT_ATTRIBUTE attribute \n"
"#define COMPAT_TEXTURE texture2D\n"
"#endif\n"
"\n"
"#ifdef GL_ES\n"
"#define COMPAT_PRECISION mediump\n"
"#else\n"
"#define COMPAT_PRECISION\n"
"#endif\n"
"\n"
"COMPAT_ATTRIBUTE vec4 VertexCoord;\n"
"COMPAT_ATTRIBUTE vec4 COLOR;\n"
"COMPAT_ATTRIBUTE vec4 TexCoord;\n"
"COMPAT_VARYING vec4 COL0;\n"
"COMPAT_VARYING vec4 TEX0;\n"
"\n"
"vec4 _oPosition1; \n"
"uniform mat4 MVPMatrix;\n"
"\n"
"void main()\n"
"{\n"
" vec4 _oColor;\n"
" vec2 _otexCoord;\n"
" gl_Position = VertexCoord.x * MVPMatrix[0] + VertexCoord.y * MVPMatrix[1] + VertexCoord.z * MVPMatrix[2] + VertexCoord.w * MVPMatrix[3];\n"
" _oPosition1 = gl_Position;\n"
" _oColor = COLOR;\n"
" _otexCoord = TexCoord.xy;\n"
" COL0 = COLOR;\n"
" TEX0.xy = TexCoord.xy;\n"
"}\n";
const GLchar *PaletteFragShaderSrc =
"#if __VERSION__ >= 130\n"
"#define COMPAT_VARYING in\n"
"#define COMPAT_TEXTURE texture\n"
"out vec4 FragColor;\n"
"#else\n"
"#define COMPAT_VARYING varying\n"
"#define FragColor gl_FragColor\n"
"#define COMPAT_TEXTURE texture2D\n"
"#endif\n"
"\n"
"#ifdef GL_ES\n"
"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
"precision highp float;\n"
"#else\n"
"precision mediump float;\n"
"#endif\n"
"#define COMPAT_PRECISION mediump\n"
"#else\n"
"#define COMPAT_PRECISION\n"
"#endif\n"
"\n"
"uniform sampler2D PaletteTex;\n"
"uniform sampler2D SurfaceTex;\n"
"COMPAT_VARYING vec4 TEX0;\n"
"\n"
"void main()\n"
"{\n"
" vec4 index = COMPAT_TEXTURE(SurfaceTex, TEX0.xy);\n"
" vec4 texel = COMPAT_TEXTURE(PaletteTex, index.xy);\n"
" FragColor = texel;\n"
"}\n";