-#ifndef __DALI_TOOLKIT_INTERNAL_BUBBLE_EFFECT_H_
-#define __DALI_TOOLKIT_INTERNAL_BUBBLE_EFFECT_H_
+#ifndef DALI_TOOLKIT_INTERNAL_BUBBLE_EFFECT_H
+#define DALI_TOOLKIT_INTERNAL_BUBBLE_EFFECT_H
/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
// EXTERNAL INCLUDES
+#include <dali-toolkit/internal/graphics/builtin-shader-extern-gen.h>
+#include <dali/public-api/rendering/shader.h>
#include <sstream>
-#include <dali/public-api/shader-effects/shader.h>
namespace Dali
{
-
namespace Toolkit
{
-
namespace Internal
{
-
/**
- * Create the shader to be used by the material
+ * Create the shader to be used by the renderer
* @param[in] numberOfBubble How many groups of uniforms are used to control the bubble movement.
* @return A handle to the newly created shader.
*/
-inline Shader CreateBubbleShader( unsigned int numBubble )
+inline Shader CreateBubbleShader(unsigned int numBubble)
{
- const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
- attribute mediump float aIndex;\n
- attribute mediump vec2 aPosition;\n
- attribute highp vec2 aTexCoord;\n
- varying mediump vec2 vTexCoord;\n
- uniform mediump mat4 uMvpMatrix;\n
- // the gravity applied to the y direction
- uniform mediump float uGravity;\n
- // xy: the emit position of the bubble; zw: the destination of the bubble.
- // The bubble is moving from (xy) to (zw plus the y drop influenced by gravity).
- uniform vec4 uStartAndEndPos[NUMBER_OF_BUBBLE];\n
- // The undergoing percentage of the bubble movement. 0.0: start from emit position, 1.0: reach the destination
- uniform float uPercentage[NUMBER_OF_BUBBLE];\n
- uniform vec2 uInvertedMovementArea;\n
- // The bubble number is restricted by the available uniform num.
- // To increase the displayed bubble, every uStartAndEndPos and uPercentage uniform is applied to a small bunch of bubbles (9 here)
- // The offset defines the random offset between bubbles within the bunch.
- uniform vec2 offset[9];\n
- // This uniform is used to change the bubble size during running time
- uniform float uDynamicScale;\n
- varying float vPercentage;\n
- varying vec2 vEffectTexCoord;\n
- void main()\n
- {\n
- vec4 position = vec4( aPosition, 0.0, 1.0 );\n
- // The Z coordinate is used to record the bubble index within current mesh actor
- int index = int(aIndex); \n
- //for some i between 0 ~ NUMBER_OF_BUBBLE-1: i,i+NUMBER_OF_BUBBLE, i+NUMBER_OF_BUBBLE*2, ... (up to i+NUMBER_OF_BUBBLE*8) belongs to the same bunch.
- int groupIdx = index / NUMBER_OF_BUBBLE;\n
- // The bubbles within the same bunch applies the same uniforms uStartAndEndPos[idx] & uPercentage[idx]
- int idx = index - groupIdx*NUMBER_OF_BUBBLE;\n
- float percentage = uPercentage[idx];
- // early out if uPercentage is (zero || one) setting position to zero (zero sized triangles)
- if( percentage <= 0.0 || percentage >= 1.0 )\n
- {\n
- gl_Position = vec4(0.0);\n
- return;\n
- }\n
- vec4 startAndEnd = uStartAndEndPos[idx];\n
- // The final position is added up different offset for bubbles
- startAndEnd.zw += offset[groupIdx];\n
- \n
- // increase the bubble size from 0% to 100% during the first 1/5 of movement & apply the dynamic scale
- // the new xy value containes both the new scale and new bubble position
- position.xy *= uDynamicScale*min(percentage*5.0, 1.0);\n
- position.xy += mix(startAndEnd.xy, startAndEnd.zw, percentage);\n
- // The gravity is g*t*t on the y direction
- position.y += uGravity * pow(percentage, 2.0);\n
- gl_Position = uMvpMatrix * position;\n
- \n
- // Add multiple bubble shapes in the effect
- vTexCoord = aTexCoord;\n
- vPercentage = percentage;\n
- // Use the emit position color for the bubble
- vEffectTexCoord = startAndEnd.xy * uInvertedMovementArea;\n
- }\n
- );
-
- const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
- varying mediump vec2 vTexCoord;\n
- uniform lowp vec4 uColor;\n
- uniform sampler2D sBackground;\n
- uniform sampler2D sBubbleShape;\n
- varying mediump float vPercentage;\n
- varying mediump vec2 vEffectTexCoord;\n
- \n
- void main()\n
- {\n
- // Get the emit pisition color, and Mix with the actor color
- mediump vec4 fragColor = texture2D(sBackground, vEffectTexCoord)*uColor;\n
- // Apply the shape defined by the texture contained in the material
- // And make the opacity being 0.7, and animate from 0.7 to 0 during the last 1/3 of movement
- fragColor.a *= texture2D(sBubbleShape, vTexCoord).a * ( 2.1 - max( vPercentage*2.1, 1.4 ) );\n
- gl_FragColor = fragColor;\n
- }\n
- );
-
std::ostringstream vertexShaderStringStream;
- vertexShaderStringStream << "#define NUMBER_OF_BUBBLE "<< numBubble << "\n"
- << VERTEX_SHADER;
- Shader shader = Shader::New( vertexShaderStringStream.str(), FRAGMENT_SHADER );
+ vertexShaderStringStream << "#define NUMBER_OF_BUBBLE " << numBubble << "\n"
+ << SHADER_BUBBLE_EFFECT_VERT;
+ Shader shader = Shader::New(vertexShaderStringStream.str(), SHADER_BUBBLE_EFFECT_FRAG);
return shader;
}
} // namespace Toolkit
} // namespace Dali
-#endif /* __DALI_TOOLKIT_INTERNAL_BUBBLE_EFFECT_H_ */
+#endif // DALI_TOOLKIT_INTERNAL_BUBBLE_EFFECT_H
projects / platform / core / uifw / dali-toolkit.git / blobdiff