Example_Basic.cg
资源名称:3dwind2.0.rar [点击查看]
上传用户:xhbjoy
上传日期:2014-10-07
资源大小:38068k
文件大小:8k
源码类别:
游戏引擎
开发平台:
Visual C++
- /*
- Basic ambient lighting vertex program
- */
- void ambientOneTexture_vp(float4 position : POSITION,
- float2 uv : TEXCOORD0,
- out float4 oPosition : POSITION,
- out float2 oUv : TEXCOORD0,
- out float4 colour : COLOR,
- uniform float4x4 worldViewProj,
- uniform float4 ambient)
- {
- oPosition = mul(worldViewProj, position);
- oUv = uv;
- colour = ambient;
- }
- /*
- Single-weight-per-vertex hardware skinning, 2 lights
- The trouble with vertex programs is they're not general purpose, but
- fixed function hardware skinning is very poorly supported
- */
- void hardwareSkinningOneWeight_vp(
- float4 position : POSITION,
- float3 normal : NORMAL,
- float2 uv : TEXCOORD0,
- float blendIdx : BLENDINDICES,
- out float4 oPosition : POSITION,
- out float2 oUv : TEXCOORD0,
- out float4 colour : COLOR,
- // Support up to 24 bones of float3x4
- // vs_1_1 only supports 96 params so more than this is not feasible
- uniform float3x4 worldMatrix3x4Array[24],
- uniform float4x4 viewProjectionMatrix,
- uniform float4 lightPos[2],
- uniform float4 lightDiffuseColour[2],
- uniform float4 ambient)
- {
- // transform by indexed matrix
- float4 blendPos = float4(mul(worldMatrix3x4Array[blendIdx], position).xyz, 1.0);
- // view / projection
- oPosition = mul(viewProjectionMatrix, blendPos);
- // transform normal
- float3 norm = mul((float3x3)worldMatrix3x4Array[blendIdx], normal);
- // Lighting - support point and directional
- float3 lightDir0 = normalize(
- lightPos[0].xyz - (blendPos.xyz * lightPos[0].w));
- float3 lightDir1 = normalize(
- lightPos[1].xyz - (blendPos.xyz * lightPos[1].w));
- oUv = uv;
- colour = ambient +
- (saturate(dot(lightDir0, norm)) * lightDiffuseColour[0]) +
- (saturate(dot(lightDir1, norm)) * lightDiffuseColour[1]);
- }
- /*
- Single-weight-per-vertex hardware skinning, shadow-caster pass
- */
- void hardwareSkinningOneWeightCaster_vp(
- float4 position : POSITION,
- float3 normal : NORMAL,
- float blendIdx : BLENDINDICES,
- out float4 oPosition : POSITION,
- out float4 colour : COLOR,
- // Support up to 24 bones of float3x4
- // vs_1_1 only supports 96 params so more than this is not feasible
- uniform float3x4 worldMatrix3x4Array[24],
- uniform float4x4 viewProjectionMatrix,
- uniform float4 ambient)
- {
- // transform by indexed matrix
- float4 blendPos = float4(mul(worldMatrix3x4Array[blendIdx], position).xyz, 1.0);
- // view / projection
- oPosition = mul(viewProjectionMatrix, blendPos);
- colour = ambient;
- }
- /*
- Two-weight-per-vertex hardware skinning, 2 lights
- The trouble with vertex programs is they're not general purpose, but
- fixed function hardware skinning is very poorly supported
- */
- void hardwareSkinningTwoWeights_vp(
- float4 position : POSITION,
- float3 normal : NORMAL,
- float2 uv : TEXCOORD0,
- float4 blendIdx : BLENDINDICES,
- float4 blendWgt : BLENDWEIGHT,
- out float4 oPosition : POSITION,
- out float2 oUv : TEXCOORD0,
- out float4 colour : COLOR,
- // Support up to 24 bones of float3x4
- // vs_1_1 only supports 96 params so more than this is not feasible
- uniform float3x4 worldMatrix3x4Array[24],
- uniform float4x4 viewProjectionMatrix,
- uniform float4 lightPos[2],
- uniform float4 lightDiffuseColour[2],
- uniform float4 ambient)
- {
- // transform by indexed matrix
- float4 blendPos = float4(0,0,0,0);
- int i;
- for (i = 0; i < 2; ++i)
- {
- blendPos += float4(mul(worldMatrix3x4Array[blendIdx[i]], position).xyz, 1.0) * blendWgt[i];
- }
- // view / projection
- oPosition = mul(viewProjectionMatrix, blendPos);
- // transform normal
- float3 norm = float3(0,0,0);
- for (i = 0; i < 2; ++i)
- {
- norm += mul((float3x3)worldMatrix3x4Array[blendIdx[i]], normal) *
- blendWgt[i];
- }
- norm = normalize(norm);
- // Lighting - support point and directional
- float3 lightDir0 = normalize(
- lightPos[0].xyz - (blendPos.xyz * lightPos[0].w));
- float3 lightDir1 = normalize(
- lightPos[1].xyz - (blendPos.xyz * lightPos[1].w));
- oUv = uv;
- colour = ambient +
- (saturate(dot(lightDir0, norm)) * lightDiffuseColour[0]) +
- (saturate(dot(lightDir1, norm)) * lightDiffuseColour[1]);
- }
- /*
- Two-weight-per-vertex hardware skinning, shadow caster pass
- */
- void hardwareSkinningTwoWeightsCaster_vp(
- float4 position : POSITION,
- float3 normal : NORMAL,
- float2 uv : TEXCOORD0,
- float4 blendIdx : BLENDINDICES,
- float4 blendWgt : BLENDWEIGHT,
- out float4 oPosition : POSITION,
- out float4 colour : COLOR,
- // Support up to 24 bones of float3x4
- // vs_1_1 only supports 96 params so more than this is not feasible
- uniform float3x4 worldMatrix3x4Array[24],
- uniform float4x4 viewProjectionMatrix,
- uniform float4 ambient)
- {
- // transform by indexed matrix
- float4 blendPos = float4(0,0,0,0);
- int i;
- for (i = 0; i < 2; ++i)
- {
- blendPos += float4(mul(worldMatrix3x4Array[blendIdx[i]], position).xyz, 1.0) * blendWgt[i];
- }
- // view / projection
- oPosition = mul(viewProjectionMatrix, blendPos);
- colour = ambient;
- }
- /*
- Four-weight-per-vertex hardware skinning, 2 lights
- The trouble with vertex programs is they're not general purpose, but
- fixed function hardware skinning is very poorly supported
- */
- void hardwareSkinningFourWeights_vp(
- float4 position : POSITION,
- float3 normal : NORMAL,
- float2 uv : TEXCOORD0,
- float4 blendIdx : BLENDINDICES,
- float4 blendWgt : BLENDWEIGHT,
- out float4 oPosition : POSITION,
- out float2 oUv : TEXCOORD0,
- out float4 colour : COLOR,
- // Support up to 24 bones of float3x4
- // vs_1_1 only supports 96 params so more than this is not feasible
- uniform float3x4 worldMatrix3x4Array[24],
- uniform float4x4 viewProjectionMatrix,
- uniform float4 lightPos[2],
- uniform float4 lightDiffuseColour[2],
- uniform float4 ambient)
- {
- // transform by indexed matrix
- float4 blendPos = float4(0,0,0,0);
- int i;
- for (i = 0; i < 4; ++i)
- {
- blendPos += float4(mul(worldMatrix3x4Array[blendIdx[i]], position).xyz, 1.0) * blendWgt[i];
- }
- // view / projection
- oPosition = mul(viewProjectionMatrix, blendPos);
- // transform normal
- float3 norm = float3(0,0,0);
- for (i = 0; i < 4; ++i)
- {
- norm += mul((float3x3)worldMatrix3x4Array[blendIdx[i]], normal) *
- blendWgt[i];
- }
- norm = normalize(norm);
- // Lighting - support point and directional
- float3 lightDir0 = normalize(
- lightPos[0].xyz - (blendPos.xyz * lightPos[0].w));
- float3 lightDir1 = normalize(
- lightPos[1].xyz - (blendPos.xyz * lightPos[1].w));
- oUv = uv;
- colour = ambient +
- (saturate(dot(lightDir0, norm)) * lightDiffuseColour[0]) +
- (saturate(dot(lightDir1, norm)) * lightDiffuseColour[1]);
- }
- void hardwareMorphAnimation(float3 pos1 : POSITION,
- float4 normal : NORMAL,
- float2 uv : TEXCOORD0,
- float3 pos2 : TEXCOORD1,
- out float4 oPosition : POSITION,
- out float2 oUv : TEXCOORD0,
- out float4 colour : COLOR,
- uniform float4x4 worldViewProj,
- uniform float4 anim_t)
- {
- // interpolate
- float4 interp = float4(pos1 + anim_t.x*(pos2 - pos1), 1.0f);
- oPosition = mul(worldViewProj, interp);
- oUv = uv;
- colour = float4(1,0,0,1);
- }
- void hardwarePoseAnimation(float3 pos : POSITION,
- float4 normal : NORMAL,
- float2 uv : TEXCOORD0,
- float3 pose1 : TEXCOORD1,
- float3 pose2 : TEXCOORD2,
- out float4 oPosition : POSITION,
- out float2 oUv : TEXCOORD0,
- out float4 colour : COLOR,
- uniform float4x4 worldViewProj,
- uniform float4 anim_t)
- {
- // interpolate
- float4 interp = float4(pos + anim_t.x*pose1 + anim_t.y*pose2, 1.0f);
- oPosition = mul(worldViewProj, interp);
- oUv = uv;
- colour = float4(1,0,0,1);
- }