diff options
| author | RaphaelHunter <raphael10241024@gmail.com> | 2019-07-27 23:05:26 +0800 |
|---|---|---|
| committer | RaphaelHunter <raphael10241024@gmail.com> | 2019-07-28 11:43:01 +0800 |
| commit | 47df933c27d03a14a53658278ffd48198e4a9c6a (patch) | |
| tree | 61080388e3af62ea8b1d8550865ebd5798123ba9 /drivers/gles2/shaders | |
| parent | 6c9ccf18f87a662e1994c870088a6beaaeeb0384 (diff) | |
update algorithm about paking float to vec4 to fix shadow shift and change rgba_shdow options
Diffstat (limited to 'drivers/gles2/shaders')
| -rw-r--r-- | drivers/gles2/shaders/canvas.glsl | 3 | ||||
| -rw-r--r-- | drivers/gles2/shaders/canvas_shadow.glsl | 4 | ||||
| -rw-r--r-- | drivers/gles2/shaders/scene.glsl | 6 |
3 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl index 0818942b0a..b9b5818e8d 100644 --- a/drivers/gles2/shaders/canvas.glsl +++ b/drivers/gles2/shaders/canvas.glsl @@ -489,8 +489,7 @@ FRAGMENT_SHADER_CODE highp float shadow_attenuation = 0.0; #ifdef USE_RGBA_SHADOWS - -#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0)) +#define SHADOW_DEPTH(m_tex, m_uv) dot(texture2D((m_tex), (m_uv)), vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0)) #else diff --git a/drivers/gles2/shaders/canvas_shadow.glsl b/drivers/gles2/shaders/canvas_shadow.glsl index 01b2c59325..dcb43d523f 100644 --- a/drivers/gles2/shaders/canvas_shadow.glsl +++ b/drivers/gles2/shaders/canvas_shadow.glsl @@ -47,8 +47,8 @@ void main() { #ifdef USE_RGBA_SHADOWS - highp vec4 comp = fract(depth * vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0)); - comp -= comp.xxyz * vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0); + highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0)); + comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0); gl_FragColor = comp; #else diff --git a/drivers/gles2/shaders/scene.glsl b/drivers/gles2/shaders/scene.glsl index b7f8ec3ce9..534c977a87 100644 --- a/drivers/gles2/shaders/scene.glsl +++ b/drivers/gles2/shaders/scene.glsl @@ -1365,7 +1365,7 @@ LIGHT_SHADER_CODE #ifdef USE_RGBA_SHADOWS -#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (256.0 * 256.0 * 256.0), 1.0 / (256.0 * 256.0), 1.0 / 256.0, 1.0)) +#define SHADOW_DEPTH(m_val) dot(m_val, vec4(1.0 / (255.0 * 255.0 * 255.0), 1.0 / (255.0 * 255.0), 1.0 / 255.0, 1.0)) #else @@ -2207,8 +2207,8 @@ FRAGMENT_SHADER_CODE #ifdef USE_RGBA_SHADOWS highp float depth = ((position_interp.z / position_interp.w) + 1.0) * 0.5 + 0.0; // bias - highp vec4 comp = fract(depth * vec4(256.0 * 256.0 * 256.0, 256.0 * 256.0, 256.0, 1.0)); - comp -= comp.xxyz * vec4(0.0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0); + highp vec4 comp = fract(depth * vec4(255.0 * 255.0 * 255.0, 255.0 * 255.0, 255.0, 1.0)); + comp -= comp.xxyz * vec4(0.0, 1.0 / 255.0, 1.0 / 255.0, 1.0 / 255.0); gl_FragColor = comp; #endif |