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Tree: a2f8a920da

Author	SHA1	Message	Date
Vladimír Vondruš	a2f8a920da	Shaders: supply Flat material information in a separate UBO as well. While it's one additional indirection (that has an extra cost on Intel GPUs apparently, like with Phong and MeshVisualizer and DistanceFieldVector already), with the assumption that draws usually share the material info it allows to cram more draws into the 16/64k UBO limit as the per-draw data are now one vec4 smaller. For the indirection overhead I can imagine adding a new flag which makes material mapping implicit (materialId == drawId). That seems to put the benchmark numbers back to the original speed. Same could be done for other shaders.	5 years ago
Vladimír Vondruš	5997d446a9	Shaders: add multidraw benchmark variants.	5 years ago
Vladimír Vondruš	79d70f1e3a	Shaders: add UBO variants to the benchmark. Interestingly, shaders that have indirect material references are about 2x slower on Intel. Not the Flat or Vector, which contain the full material in the DrawUniform. Will probably need extra Intel-specific optimizations (like avoiding the indirection if MATERIAL_COUNT=1).	5 years ago
Vladimír Vondruš	73ba2b9d64	Shaders: benchmark all shader variants. Took me a while (several years?) to figure out a way to benchmark this without basically duplicating the testing effort and without new variants being too hard to add.	5 years ago