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This needs to be properly refactored later

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This commit is contained in:
twinaphex 2016-04-12 17:56:34 +02:00
parent c390794452
commit 5f0aa1852e
2 changed files with 56 additions and 0 deletions
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55
gfx/drivers_shader/shader_glsl.c
View File

@ -211,6 +211,43 @@ static const char *stock_fragment_core_blend =
" FragColor = color * texture(Texture, tex_coord);\n"
"}";
static const char *stock_vertex_xmb =
"attribute vec3 vPosition;\n"
"uniform float time;\n"
"varying vec3 v;\n"
"float iqhash( float n )\n"
"{\n"
" return fract(sin(n)*43758.5453);\n"
"}\n"
"float noise( vec3 x )\n"
"{\n"
" vec3 p = floor(x);\n"
" vec3 f = fract(x);\n"
" f = f*f*(3.0-2.0*f);\n"
" float n = p.x + p.y*57.0 + 113.0*p.z;\n"
" return mix(mix(mix( iqhash(n+0.0 ), iqhash(n+1.0 ),f.x),\n"
" mix( iqhash(n+57.0 ), iqhash(n+58.0 ),f.x),f.y),\n"
" mix(mix( iqhash(n+113.0), iqhash(n+114.0),f.x),\n"
" mix( iqhash(n+170.0), iqhash(n+171.0),f.x),f.y),f.z);\n"
"}\n"
"void main()\n"
"{\n"
" v = vPosition;\n"
" vec3 v2 = v;\n"
" v2.x = v2.x + time/2.0;\n"
" v2.z = v.z * 3.0;\n"
" v.y = -cos((v.x+v.z/3.0+time)*2.0)/10.0 - noise(v2.xyz)/4.0;\n"
" gl_Position = vec4(v, 1.0);\n"
"}\n";
static const char *stock_fragment_xmb =
"uniform float time;\n"
"varying vec3 v;\n"
"void main()\n"
"{\n"
" gl_FragColor = vec4(1.0, 1.0, 1.0, 0.05);\n"
"}\n";
typedef struct glsl_shader_data
{
struct video_shader *shader;
@ -944,6 +981,12 @@ static void *gl_glsl_init(void *data, const char *path)
glsl->gl_uniforms[GL_SHADER_STOCK_BLEND] = glsl->gl_uniforms[0];
}
glsl->gl_program[GL_SHADER_STOCK_XMB] = gl_glsl_compile_program(
glsl,
stock_vertex_xmb,
stock_fragment_xmb,
GL_SHADER_STOCK_XMB);
gl_glsl_reset_attrib(glsl);
for (i = 0; i < GFX_MAX_SHADERS; i++)
@ -963,6 +1006,10 @@ error:
return NULL;
}
#if 0
static float t = 0;
#endif
static void gl_glsl_set_params(void *data, void *shader_data,
unsigned width, unsigned height,
unsigned tex_width, unsigned tex_height,
@ -996,6 +1043,14 @@ static void gl_glsl_set_params(void *data, void *shader_data,
if (glsl->gl_program[glsl->glsl_active_index] == 0)
return;
#if 0
t += 0.004;
glUseProgram(glsl->gl_program[GL_SHADER_STOCK_XMB]);
int location = glGetUniformLocation(glsl->gl_program[GL_SHADER_STOCK_XMB], "time");
glUniform1f(location, t);
glUseProgram(0);
#endif
input_size [0] = (float)width;
input_size [1] = (float)height;
output_size[0] = (float)out_width;

1
gfx/video_shader_driver.h
View File

@ -32,6 +32,7 @@
#include "video_shader_parse.h"
#define GL_SHADER_STOCK_BLEND (GFX_MAX_SHADERS - 1)
#define GL_SHADER_STOCK_XMB (GFX_MAX_SHADERS - 2)
#endif