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Some refactoring of shaders

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jojo61
2019-12-23 14:53:30 +01:00
parent 463109fcb6
commit 68fa4fe4dc
2 changed files with 57 additions and 241 deletions
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164
shaders.h
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@@ -1,121 +1,17 @@
// shader
#ifdef CUVID
char vertex_osd[] = { "\
#version 330\n\
in vec2 vertex_position;\n\
in vec2 vertex_texcoord0;\n\
out vec2 texcoord0;\n\
void main() {\n\
gl_Position = vec4(vertex_position, 1.0, 1.0);\n\
texcoord0 = vertex_texcoord0;\n\
}\n" };
char fragment_osd[] = { "\
#version 330\n\
#define texture1D texture\n\
precision mediump float; \
layout(location = 0) out vec4 out_color;\n\
in vec2 texcoord0;\n\
uniform sampler2D texture0;\n\
void main() {\n\
vec4 color; \n\
color = vec4(texture(texture0, texcoord0));\n\
out_color = color;\n\
}\n" };
char vertex[] = { "\
#version 310 es\n\
in vec2 vertex_position;\n\
in vec2 vertex_texcoord0;\n\
out vec2 texcoord0;\n\
in vec2 vertex_texcoord1;\n\
out vec2 texcoord1;\n\
void main() {\n\
gl_Position = vec4(vertex_position, 1.0, 1.0);\n\
texcoord0 = vertex_texcoord0;\n\
texcoord1 = vertex_texcoord1;\n\
}\n" };
char fragment[] = { "\
#version 310 es\n\
#define texture1D texture\n\
#define texture3D texture\n\
precision mediump float; \
layout(location = 0) out vec4 out_color;\n\
in vec2 texcoord0;\n\
in vec2 texcoord1;\n\
uniform mat3 colormatrix;\n\
uniform vec3 colormatrix_c;\n\
uniform sampler2D texture0;\n\
uniform sampler2D texture1;\n\
void main() {\n\
vec4 color; // = vec4(0.0, 0.0, 0.0, 1.0);\n\
color.r = 1.000000 * vec4(texture(texture0, texcoord0)).r;\n\
color.gb = 1.000000 * vec4(texture(texture1, texcoord1)).rg;\n\
// color conversion\n\
color.rgb = mat3(colormatrix) * color.rgb + colormatrix_c;\n\
color.a = 1.0;\n\
// color mapping\n\
out_color = color;\n\
}\n" };
char fragment_bt2100[] = { "\
#version 310 es\n \
#define texture1D texture\n\
#define texture3D texture\n\
precision mediump float; \
layout(location = 0) out vec4 out_color;\n\
in vec2 texcoord0;\n\
in vec2 texcoord1;\n\
uniform mat3 colormatrix;\n\
uniform vec3 colormatrix_c;\n\
uniform mat3 cms_matrix;\n\
uniform sampler2D texture0;\n\
uniform sampler2D texture1;\n\
//#define LUT_POS(x, lut_size) mix(0.5 / (lut_size), 1.0 - 0.5 / (lut_size), (x))\n\
void main() {\n\
vec4 color; // = vec4(0.0, 0.0, 0.0, 1.0);\n\
color.r = 1.003906 * vec4(texture(texture0, texcoord0)).r;\n\
color.gb = 1.003906 * vec4(texture(texture1, texcoord1)).rg;\n\
// color conversion\n\
color.rgb = mat3(colormatrix) * color.rgb + colormatrix_c;\n\
color.a = 1.0;\n\
// color mapping\n\
color.rgb = clamp(color.rgb, 0.0, 1.0);\n\
color.rgb = pow(color.rgb, vec3(2.4));\n\
color.rgb = cms_matrix * color.rgb;\n\
color.rgb = clamp(color.rgb, 0.0, 1.0);\n\
color.rgb = pow(color.rgb, vec3(1.0/2.4));\n\
out_color = color;\n\
}\n" };
const char *gl_version = "#version 330";
#else
#ifdef RASPI
const char *gl_version = "#version 300 es";
#else
const char *gl_version = " ";
#endif
#endif
#ifdef RASPI
char vertex_osd[] = {"\
#version 300 es\n\
in vec2 vertex_position;\n\
in vec2 vertex_texcoord0;\n\
out vec2 texcoord0;\n\
void main() {\n\
gl_Position = vec4(vertex_position, 1.0, 1.0);\n\
texcoord0 = vertex_texcoord0;\n\
}\n"};
char fragment_osd[] = {"\
#version 300 es\n\
#define texture1D texture\n\
precision mediump float; \
layout(location = 0) out vec4 out_color;\n\
in vec2 texcoord0;\n\
uniform sampler2D texture0;\n\
void main() {\n\
vec4 color; \n\
color = vec4(texture(texture0, texcoord0));\n\
out_color = color;\n\
}\n"};
char vertex[] = {"\
#version 300 es\n\
char vertex_3[] = {"\
%s\n\
in vec2 vertex_position;\n\
in vec2 vertex_texcoord0;\n\
out vec2 texcoord0;\n\
@@ -130,8 +26,8 @@ texcoord1 = vertex_texcoord1;\n\
texcoord2 = vertex_texcoord1;\n\
}\n"};
char fragment[] = {"\
#version 300 es\n\
char fragment_3[] = {"\
%s\n\
#define texture1D texture\n\
#define texture3D texture\n\
precision mediump float; \
@@ -157,8 +53,8 @@ color.a = 1.0;\n\
out_color = color;\n\
}\n"};
char fragment_bt2100[] = {"\
#version 300 es\n \
char fragment_bt2100_3[] = {"\
%s\n \
#define texture1D texture\n\
#define texture3D texture\n\
precision mediump float; \
@@ -189,10 +85,10 @@ color.rgb = clamp(color.rgb, 0.0, 1.0);\n\
color.rgb = pow(color.rgb, vec3(1.0/2.4));\n\
out_color = color;\n\
}\n"};
#endif
#if defined VAAPI && !defined RASPI
char vertex_osd[] = { "\
\n\
%s\n\
in vec2 vertex_position;\n\
in vec2 vertex_texcoord0;\n\
out vec2 texcoord0;\n\
@@ -202,7 +98,7 @@ texcoord0 = vertex_texcoord0;\n\
}\n" };
char fragment_osd[] = { "\
\n\
%s\n\
#define texture1D texture\n\
precision mediump float; \
layout(location = 0) out vec4 out_color;\n\
@@ -215,7 +111,7 @@ out_color = color;\n\
}\n" };
char vertex[] = { "\
\n\
%s\n\
in vec2 vertex_position;\n\
in vec2 vertex_texcoord0;\n\
out vec2 texcoord0;\n\
@@ -228,7 +124,7 @@ texcoord1 = vertex_texcoord1;\n\
}\n" };
char fragment[] = { "\
\n\
%s\n\
#define texture1D texture\n\
#define texture3D texture\n\
precision mediump float; \
@@ -252,7 +148,7 @@ out_color = color;\n\
}\n" };
char fragment_bt2100[] = { "\
\n \
%s\n \
#define texture1D texture\n\
#define texture3D texture\n\
precision mediump float; \
@@ -280,7 +176,7 @@ color.rgb = clamp(color.rgb, 0.0, 1.0);\n\
color.rgb = pow(color.rgb, vec3(1.0/2.4));\n\
out_color = color;\n\
}\n" };
#endif
/* Color conversion matrix: RGB = m * YUV + c
* m is in row-major matrix, with m[row][col], e.g.:
@@ -382,9 +278,10 @@ static void compile_attach_shader(GLuint program, GLenum type, const char *sourc
GLint status, log_length;
char log[4000];
GLsizei len;
char *buffer = (char *) malloc(1000);
sprintf(buffer,source,gl_version);
shader = glCreateShader(type);
glShaderSource(shader, 1, &source, NULL);
glShaderSource(shader, 1, (const GLchar **)&buffer, NULL);
glCompileShader(shader);
status = 0;
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
@@ -396,6 +293,7 @@ static void compile_attach_shader(GLuint program, GLenum type, const char *sourc
glAttachShader(program, shader);
glDeleteShader(shader);
free(buffer);
}
static void link_shader(GLuint program)
@@ -439,27 +337,27 @@ static GLuint sc_generate(GLuint gl_prog, enum AVColorSpace colorspace)
case AVCOL_SPC_RGB:
m = &yuv_bt601.m[0][0];
c = &yuv_bt601.c[0];
frag = fragment;
frag = Planes == 3?fragment_3:fragment;
Debug(3, "BT601 Colorspace used\n");
break;
case AVCOL_SPC_BT709:
case AVCOL_SPC_UNSPECIFIED: // comes with UHD
m = &yuv_bt709.m[0][0];
c = &yuv_bt709.c[0];
frag = fragment;
frag = Planes==3?fragment_3:fragment;
Debug(3, "BT709 Colorspace used\n");
break;
case AVCOL_SPC_BT2020_NCL:
m = &yuv_bt2020ncl.m[0][0];
c = &yuv_bt2020ncl.c[0];
cms = &cms_matrix[0][0];
frag = fragment_bt2100;
frag = Planes == 3?fragment_bt2100_3:fragment_bt2100;
Debug(3, "BT2020NCL Colorspace used\n");
break;
default: // fallback
m = &yuv_bt709.m[0][0];
c = &yuv_bt709.c[0];
frag = fragment;
frag = Planes==3?fragment_3:fragment;
Debug(3, "default BT709 Colorspace used %d\n", colorspace);
break;
}
@@ -467,7 +365,7 @@ static GLuint sc_generate(GLuint gl_prog, enum AVColorSpace colorspace)
Debug(3, "vor create\n");
gl_prog = glCreateProgram();
Debug(3, "vor compile vertex\n");
compile_attach_shader(gl_prog, GL_VERTEX_SHADER, vertex);
compile_attach_shader(gl_prog, GL_VERTEX_SHADER, Planes==3?vertex_3:vertex);
Debug(3, "vor compile fragment\n");
compile_attach_shader(gl_prog, GL_FRAGMENT_SHADER, frag);
glBindAttribLocation(gl_prog, 0, "vertex_position");