Destroyed TODO List (markdown)

TODO-List.md

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-# A collection of ideas to improve GSdx OpenGL
-
-The list is already too long! Various items require investigation. There are several potential bad ideas.
-
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-
-Uniform improvement (AKA Constant Buffer)
-- [ ] Merge all VS/FS cb into a single buffer
-- [ ] Move TextureScale uniform from VS to FS CB
-- [ ] Replace vs_cb.Vertex_Scale_Offset by a glUniform call
-- [ ] Or merge vs_cb into fs_cb (reduces binds, but increases the size of the uniform buffer slightly)
-- [ ] Investigate the packing of FS uniform. Cost extra multiplication on shader, but can help to use other APIs possibility (glUniform, pre compute WH). Low priority.
-* Fog Color
-* Aref
-* Fbmask?
-* TA
-* Af?
-
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-
-Texture upload improvement:
-- [ ] Create a dedicated path for palette (create/upload)
-* Allow to use 1D texture (save 2/8(LTF) move instructions in shader)
-* PBO is probably not efficient for a small size
-- [ ] Create a pool of palette texture to avoid driver synchronization
-- [ ] Or uses a big texture buffer (in conjunction of TexBufferRange)
-
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-
-Texturing improvement:
-- [ ] Absolute coordinate
-* WMS/WMT >= 2 | all?
-* TexelFetch vs Renormalization?
-- [ ] clamp(x, 0, 1) is free on shader, so we could use 2 textures sampler (linear/nearest)
-- [ ] Interpolation factor (upscaling context)
-
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-
-Texture Cache improvement:
-- [x] Handling of AEM
-- [ ] Bypass texture lookup for Read-Write RT effect
-- [ ] Improve mimpap support
-- [ ] Support area notion instead, to rely only on the start block address
-- [x] Detect 8 bits shuffling (1 page and @RT == @TEX). Note: It seems pages are consecutive, try to do it in one pass (save 100 draw call by effect).
-
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-
-Depth effect improvement:
-- [x] Conversion of 16 bits depth into 16 bits color
-- [x] Allow to read back depth from GPU to EE memory
-- [x] Allow to sample Depth from TFX shader rather than to do a preliminary conversion
-
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-
-Anti-aliasing
-- [ ] Remove custom resolution
-- [ ] MSAA vs adaptive MSAA/SSAA vs full SSAA (upscaling)
-
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-
-GLSL4 improvement
-- [ ] Mix between integer => GL_EXT_shader_integer_mix
-- [ ] Bit field operation (bfe/bfi) => GL_ARB_gpu_shader5
-- [x] Output both uv & st from the VS (to reduce shader permutation)
-- [ ] Unscale point in GS (avoid scaling issue with point rendering)
-
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-
-General architecture
-- [ ] GL3 / GL4 separation?
-- [ ] Global variable for s_n (greatly help debug)
-- [ ] GLES3.2 investigation status (might worth to wait Mesa)?
-
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-
-Future
-- [ ] ARB_shader_stencil_export to support accurate DATE
-- [ ] ARB_fragment_shader_interlock to support accurate DATE/blending?