diff options
Diffstat (limited to 'drivers/gles2/shaders/copy.glsl')
| -rw-r--r-- | drivers/gles2/shaders/copy.glsl | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/drivers/gles2/shaders/copy.glsl b/drivers/gles2/shaders/copy.glsl index 0b8da4f875..195db7c45f 100644 --- a/drivers/gles2/shaders/copy.glsl +++ b/drivers/gles2/shaders/copy.glsl @@ -2,11 +2,12 @@ [vertex] #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else -precision mediump float; -precision mediump int; +precision highp float; +precision highp int; #endif attribute highp vec4 vertex_attrib; // attrib:0 @@ -27,8 +28,15 @@ varying vec2 uv_interp; #endif varying vec2 uv2_interp; +// These definitions are here because the shader-wrapper builder does +// not understand `#elif defined()` +#ifdef USE_DISPLAY_TRANSFORM +#endif + #ifdef USE_COPY_SECTION -uniform vec4 copy_section; +uniform highp vec4 copy_section; +#elif defined(USE_DISPLAY_TRANSFORM) +uniform highp mat4 display_transform; #endif void main() { @@ -47,6 +55,8 @@ void main() { #ifdef USE_COPY_SECTION uv_interp = copy_section.xy + uv_interp * copy_section.zw; gl_Position.xy = (copy_section.xy + (gl_Position.xy * 0.5 + 0.5) * copy_section.zw) * 2.0 - 1.0; +#elif defined(USE_DISPLAY_TRANSFORM) + uv_interp = (display_transform * vec4(uv_in, 1.0, 1.0)).xy; #endif } @@ -56,12 +66,18 @@ void main() { #define M_PI 3.14159265359 #ifdef USE_GLES_OVER_GL +#define lowp #define mediump #define highp #else +#if defined(USE_HIGHP_PRECISION) +precision highp float; +precision highp int; +#else precision mediump float; precision mediump int; #endif +#endif #if defined(USE_CUBEMAP) || defined(USE_PANORAMA) varying vec3 cube_interp; @@ -81,6 +97,10 @@ uniform samplerCube source_cube; // texunit:0 uniform sampler2D source; // texunit:0 #endif +#ifdef SEP_CBCR_TEXTURE +uniform sampler2D CbCr; //texunit:1 +#endif + varying vec2 uv2_interp; #ifdef USE_MULTIPLIER @@ -92,6 +112,7 @@ uniform float custom_alpha; #endif #if defined(USE_PANORAMA) || defined(USE_ASYM_PANO) +uniform highp mat4 sky_transform; vec4 texturePanorama(sampler2D pano, vec3 normal) { @@ -113,7 +134,12 @@ void main() { #ifdef USE_PANORAMA - vec4 color = texturePanorama(source, normalize(cube_interp)); + vec3 cube_normal = normalize(cube_interp); + cube_normal.z = -cube_normal.z; + cube_normal = mat3(sky_transform) * cube_normal; + cube_normal.z = -cube_normal.z; + + vec4 color = texturePanorama(source, cube_normal); #elif defined(USE_ASYM_PANO) @@ -125,17 +151,33 @@ void main() { cube_normal.z = -1000000.0; cube_normal.x = (cube_normal.z * (-uv_interp.x - asym_proj.x)) / asym_proj.y; cube_normal.y = (cube_normal.z * (-uv_interp.y - asym_proj.z)) / asym_proj.a; - cube_normal = mat3(pano_transform) * cube_normal; + cube_normal = mat3(sky_transform) * mat3(pano_transform) * cube_normal; cube_normal.z = -cube_normal.z; vec4 color = texturePanorama(source, normalize(cube_normal.xyz)); #elif defined(USE_CUBEMAP) vec4 color = textureCube(source_cube, normalize(cube_interp)); +#elif defined(SEP_CBCR_TEXTURE) + vec4 color; + color.r = texture2D(source, uv_interp).r; + color.gb = texture2D(CbCr, uv_interp).rg - vec2(0.5, 0.5); + color.a = 1.0; #else vec4 color = texture2D(source, uv_interp); #endif +#ifdef YCBCR_TO_RGB + // YCbCr -> RGB conversion + + // Using BT.601, which is the standard for SDTV is provided as a reference + color.rgb = mat3( + vec3(1.00000, 1.00000, 1.00000), + vec3(0.00000, -0.34413, 1.77200), + vec3(1.40200, -0.71414, 0.00000)) * + color.rgb; +#endif + #ifdef USE_NO_ALPHA color.a = 1.0; #endif |