diff options
Diffstat (limited to 'drivers/gles3/shaders/canvas.glsl')
| -rw-r--r-- | drivers/gles3/shaders/canvas.glsl | 87 |
1 files changed, 65 insertions, 22 deletions
diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl index 017009015e..7be6ee857a 100644 --- a/drivers/gles3/shaders/canvas.glsl +++ b/drivers/gles3/shaders/canvas.glsl @@ -6,8 +6,8 @@ layout(location=3) in vec4 color_attrib; #ifdef USE_TEXTURE_RECT -layout(location=1) in highp vec4 dst_rect; -layout(location=2) in highp vec4 src_rect; +uniform vec4 dst_rect; +uniform vec4 src_rect; #else @@ -20,7 +20,7 @@ layout(location=4) in highp vec2 uv_attrib; layout(std140) uniform CanvasItemData { //ubo:0 highp mat4 projection_matrix; - highp vec4 time; + highp float time; }; uniform highp mat4 modelview_matrix; @@ -51,17 +51,21 @@ layout(std140) uniform LightData { //ubo:1 out vec4 light_uv_interp; -#if defined(NORMAL_USED) + out vec4 local_rot; -#endif + #ifdef USE_SHADOWS out highp vec2 pos; #endif +const bool at_light_pass = true; +#else +const bool at_light_pass = false; #endif + VERTEX_SHADER_GLOBALS #if defined(USE_MATERIAL) @@ -121,7 +125,7 @@ VERTEX_SHADER_CODE pos=outvec.xy; #endif -#if defined(NORMAL_USED) + local_rot.xy=normalize( (modelview_matrix * ( extra_matrix * vec4(1.0,0.0,0.0,0.0) )).xy ); local_rot.zw=normalize( (modelview_matrix * ( extra_matrix * vec4(0.0,1.0,0.0,0.0) )).xy ); #ifdef USE_TEXTURE_RECT @@ -129,7 +133,7 @@ VERTEX_SHADER_CODE local_rot.zw*=sign(src_rect.w); #endif -#endif + #endif @@ -141,6 +145,7 @@ VERTEX_SHADER_CODE uniform mediump sampler2D color_texture; // texunit:0 uniform highp vec2 color_texpixel_size; +uniform mediump sampler2D normal_texture; // texunit:1 in mediump vec2 uv_interp; in mediump vec4 color_interp; @@ -155,7 +160,7 @@ uniform sampler2D screen_texture; // texunit:-3 layout(std140) uniform CanvasItemData { highp mat4 projection_matrix; - highp vec4 time; + highp float time; }; @@ -180,9 +185,8 @@ uniform lowp sampler2D light_texture; // texunit:-1 in vec4 light_uv_interp; -#if defined(NORMAL_USED) in vec4 local_rot; -#endif + #ifdef USE_SHADOWS @@ -191,6 +195,9 @@ in highp vec2 pos; #endif +const bool at_light_pass = true; +#else +const bool at_light_pass = false; #endif uniform mediump vec4 final_modulate; @@ -222,12 +229,28 @@ LIGHT_SHADER_CODE } +#ifdef USE_TEXTURE_RECT + +uniform vec4 dst_rect; +uniform vec4 src_rect; +uniform bool clip_rect_uv; + +#endif + +uniform bool use_default_normal; void main() { vec4 color = color_interp; -#if defined(NORMAL_USED) - vec3 normal = vec3(0.0,0.0,1.0); + vec2 uv = uv_interp; + +#ifdef USE_TEXTURE_RECT + if (clip_rect_uv) { + + vec2 half_texpixel = color_texpixel_size * 0.5; + uv = clamp(uv,src_rect.xy+half_texpixel,src_rect.xy+abs(src_rect.zw)-color_texpixel_size); + } + #endif #if !defined(COLOR_USED) @@ -235,15 +258,34 @@ void main() { #ifdef USE_DISTANCE_FIELD const float smoothing = 1.0/32.0; - float distance = texture(color_texture, uv_interp).a; + float distance = textureLod(color_texture, uv,0.0).a; color.a = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance) * color.a; #else - color *= texture( color_texture, uv_interp ); + color *= texture( color_texture, uv ); #endif #endif + vec3 normal; + +#if defined(NORMAL_USED) + + bool normal_used = true; +#else + bool normal_used = false; +#endif + + if (use_default_normal) { + normal.xy = textureLod(normal_texture, uv,0.0).xy * 2.0 - 1.0; + normal.z = sqrt(1.0-dot(normal.xy,normal.xy)); + normal_used=true; + } else { + normal = vec3(0.0,0.0,1.0); + } + + + #if defined(ENABLE_SCREEN_UV) vec2 screen_uv = gl_FragCoord.xy*screen_uv_mult; #endif @@ -278,9 +320,9 @@ FRAGMENT_SHADER_CODE vec2 light_vec = light_uv_interp.zw;; //for shadow and normal mapping -#if defined(NORMAL_USED) - normal.xy = mat2(local_rot.xy,local_rot.zw) * normal.xy; -#endif + if (normal_used) { + normal.xy = mat2(local_rot.xy,local_rot.zw) * normal.xy; + } float att=1.0; @@ -301,10 +343,11 @@ FRAGMENT_SHADER_CODE #else -#if defined(NORMAL_USED) - vec3 light_normal = normalize(vec3(light_vec,-light_height)); - light*=max(dot(-light_normal,normal),0.0); -#endif + if (normal_used) { + + vec3 light_normal = normalize(vec3(light_vec,-light_height)); + light*=max(dot(-light_normal,normal),0.0); + } color*=light; /* @@ -381,7 +424,7 @@ FRAGMENT_SHADER_CODE #ifdef SHADOW_FILTER_NEAREST - SHADOW_TEST(su+shadowpixel_size); + SHADOW_TEST(su); #endif |