godot/drivers/gles2/shaders/blend_shape.glsl
karroffel eac4c984df add GLES 2 renderer for 2D
This commit adds a new rendering backend, GLES2, and adds a
project setting to enable it.

Currently this backend can only be used on the X11 platform,
but integrating into other platforms is planned.
2018-03-01 15:12:30 +01:00

198 lines
3.2 KiB
GLSL

[vertex]
/*
from VisualServer:
ARRAY_VERTEX=0,
ARRAY_NORMAL=1,
ARRAY_TANGENT=2,
ARRAY_COLOR=3,
ARRAY_TEX_UV=4,
ARRAY_TEX_UV2=5,
ARRAY_BONES=6,
ARRAY_WEIGHTS=7,
ARRAY_INDEX=8,
*/
#ifdef USE_2D_VERTEX
#define VFORMAT vec2
#else
#define VFORMAT vec3
#endif
/* INPUT ATTRIBS */
layout(location=0) in highp VFORMAT vertex_attrib;
layout(location=1) in vec3 normal_attrib;
#ifdef ENABLE_TANGENT
layout(location=2) in vec4 tangent_attrib;
#endif
#ifdef ENABLE_COLOR
layout(location=3) in vec4 color_attrib;
#endif
#ifdef ENABLE_UV
layout(location=4) in vec2 uv_attrib;
#endif
#ifdef ENABLE_UV2
layout(location=5) in vec2 uv2_attrib;
#endif
#ifdef ENABLE_SKELETON
layout(location=6) in ivec4 bone_attrib;
layout(location=7) in vec4 weight_attrib;
#endif
/* BLEND ATTRIBS */
#ifdef ENABLE_BLEND
layout(location=8) in highp VFORMAT vertex_attrib_blend;
layout(location=9) in vec3 normal_attrib_blend;
#ifdef ENABLE_TANGENT
layout(location=10) in vec4 tangent_attrib_blend;
#endif
#ifdef ENABLE_COLOR
layout(location=11) in vec4 color_attrib_blend;
#endif
#ifdef ENABLE_UV
layout(location=12) in vec2 uv_attrib_blend;
#endif
#ifdef ENABLE_UV2
layout(location=13) in vec2 uv2_attrib_blend;
#endif
#ifdef ENABLE_SKELETON
layout(location=14) in ivec4 bone_attrib_blend;
layout(location=15) in vec4 weight_attrib_blend;
#endif
#endif
/* OUTPUTS */
out VFORMAT vertex_out; //tfb:
#ifdef ENABLE_NORMAL
out vec3 normal_out; //tfb:ENABLE_NORMAL
#endif
#ifdef ENABLE_TANGENT
out vec4 tangent_out; //tfb:ENABLE_TANGENT
#endif
#ifdef ENABLE_COLOR
out vec4 color_out; //tfb:ENABLE_COLOR
#endif
#ifdef ENABLE_UV
out vec2 uv_out; //tfb:ENABLE_UV
#endif
#ifdef ENABLE_UV2
out vec2 uv2_out; //tfb:ENABLE_UV2
#endif
#ifdef ENABLE_SKELETON
out ivec4 bone_out; //tfb:ENABLE_SKELETON
out vec4 weight_out; //tfb:ENABLE_SKELETON
#endif
uniform float blend_amount;
void main() {
#ifdef ENABLE_BLEND
vertex_out = vertex_attrib_blend + vertex_attrib * blend_amount;
#ifdef ENABLE_NORMAL
normal_out = normal_attrib_blend + normal_attrib * blend_amount;
#endif
#ifdef ENABLE_TANGENT
tangent_out.xyz = tangent_attrib_blend.xyz + tangent_attrib.xyz * blend_amount;
tangent_out.w = tangent_attrib_blend.w; //just copy, no point in blending his
#endif
#ifdef ENABLE_COLOR
color_out = color_attrib_blend + color_attrib * blend_amount;
#endif
#ifdef ENABLE_UV
uv_out = uv_attrib_blend + uv_attrib * blend_amount;
#endif
#ifdef ENABLE_UV2
uv2_out = uv2_attrib_blend + uv2_attrib * blend_amount;
#endif
#ifdef ENABLE_SKELETON
bone_out = bone_attrib_blend;
weight_out = weight_attrib_blend + weight_attrib * blend_amount;
#endif
#else //ENABLE_BLEND
vertex_out = vertex_attrib * blend_amount;
#ifdef ENABLE_NORMAL
normal_out = normal_attrib * blend_amount;
#endif
#ifdef ENABLE_TANGENT
tangent_out.xyz = tangent_attrib.xyz * blend_amount;
tangent_out.w = tangent_attrib.w; //just copy, no point in blending his
#endif
#ifdef ENABLE_COLOR
color_out = color_attrib * blend_amount;
#endif
#ifdef ENABLE_UV
uv_out = uv_attrib * blend_amount;
#endif
#ifdef ENABLE_UV2
uv2_out = uv2_attrib * blend_amount;
#endif
#ifdef ENABLE_SKELETON
bone_out = bone_attrib;
weight_out = weight_attrib * blend_amount;
#endif
#endif
gl_Position = vec4(0.0);
}
[fragment]
void main() {
}