Adding better instanced rendering support and buffer textures#345

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Gaalve wants to merge 10 commits into

Open

Adding better instanced rendering support and buffer textures #345
Gaalve wants to merge 10 commits into
nmwsharp:master from
Gaalve:instanced-rendering

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This PR adds the following functionalities:

Instanced Rendering
- fixed: you can now specify how many vertices are computed per instance
- added divisor to attributes so that you can specify how many times an attribute is processed per instance
Buffer Textures
- added buffer texture support to handle big arrays in shaders
- reused GLTextureBuffer for this to minimize complexity when updating uniforms
- set name to GLStorageTextureBuffer to avoid weird naming while still conveying meaning
Fixed integer types were previously cast implicitly to floating point. glVertexAttribIPointer fixes that by leaving them as integer values.

Gaalve added 10 commits


 added ignore item for visual studio development

03b1065


 added instance vertex count for more granular instanced rendering com...

ccfd88c

...mand


 fixed: integer types were previously implicitly cast to floating poin...

eaea0ae

...t types on gpu


 added attribute divisor for instanced rendering

3cdd548


 fixed shader spec attribute constructor ambigous

75a06c3


 reverting unintentional change

2fe80c4


 added texture buffer support

dcbcb86


 added mock gl implementation of buffer texture + convenience method

f252b0b


 added support for texture buffers with integer data format

42f4e2b


 fixed used wrong target when binding texture buffers

2ef918a