b4d842c342
This CL contains two parts: - changes to matc/filamat - changes to filament itself Filamat can now generate ES2 compatible shaders. Only the unlit variant is supported. Fog and picking are supported as well. post-processing, skinning, instancing, all lighting and shadowing are not supported. Filament is updated to not issue commands that are not supported in ES2. Addtionnally, the hello-triangle sample is updated to work on an ES2 device.
55 lines
2.3 KiB
GLSL
55 lines
2.3 KiB
GLSL
//------------------------------------------------------------------------------
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// Instancing
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// ------------------------------------------------------------------------------------------------
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PerRenderableData object_uniforms;
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void initInstanceUniforms(out PerRenderableData p) {
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#if defined(FILAMENT_HAS_FEATURE_INSTANCING)
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// We're copying each field separately to workaround an issue in some Adreno drivers
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// that fail on non-const array access in a UBO. Accessing the fields works however.
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// e.g.: this fails `p = objectUniforms.data[instance_index];`
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p.worldFromModelMatrix = objectUniforms.data[instance_index].worldFromModelMatrix;
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p.worldFromModelNormalMatrix = objectUniforms.data[instance_index].worldFromModelNormalMatrix;
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p.morphTargetCount = objectUniforms.data[instance_index].morphTargetCount;
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p.flagsChannels = objectUniforms.data[instance_index].flagsChannels;
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p.objectId = objectUniforms.data[instance_index].objectId;
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p.userData = objectUniforms.data[instance_index].userData;
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#else
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p.worldFromModelMatrix = objectUniforms.data[0].worldFromModelMatrix;
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p.worldFromModelNormalMatrix = objectUniforms.data[0].worldFromModelNormalMatrix;
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p.morphTargetCount = objectUniforms.data[0].morphTargetCount;
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p.flagsChannels = objectUniforms.data[0].flagsChannels;
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p.objectId = objectUniforms.data[0].objectId;
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p.userData = objectUniforms.data[0].userData;
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#endif
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}
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void initObjectUniforms(out PerRenderableData p) {
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#if defined(FILAMENT_HAS_FEATURE_INSTANCING) && defined(MATERIAL_HAS_INSTANCES)
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if ((objectUniforms.data[0].flagsChannels & FILAMENT_OBJECT_INSTANCE_BUFFER_BIT) != 0) {
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// the object has an instance buffer
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initInstanceUniforms(p);
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return;
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}
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// the material manages instancing, all instances share the same uniform block.
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p = objectUniforms.data[0];
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#else
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// automatic instancing was used, each instance has its own uniform block.
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initInstanceUniforms(p);
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#endif
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}
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//------------------------------------------------------------------------------
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// Instance access
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//------------------------------------------------------------------------------
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#if defined(FILAMENT_HAS_FEATURE_INSTANCING)
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#if defined(MATERIAL_HAS_INSTANCES)
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/** @public-api */
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int getInstanceIndex() {
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return instance_index;
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}
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#endif
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#endif
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