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21 Commits

Author SHA1 Message Date
Clément Foucault
8527d84d35 GPUState: Move Scissor and Viewport state to framebuffer 
This way it is way clearer what each viewport state is. There is
no more save and reset. The scissor test is also saved per
framebuffer.

The only rule to remember is that the viewport state (size and
origin) is reset for both the viewport and scissor when a texture
is attached or detached from an attachment slot.
 2020-08-30 13:11:03 +02:00
Clément Foucault
cb8da6efce GPUState: Fix scissor state being overwritten when changing scissor bounds 
Fix T79899 viewport artifacts when sculpting
 2020-08-24 12:28:54 +02:00
Clément Foucault
72e78df464 GPUState: Expose Stencil mask and test 
This is to be used by framebuffer clearing.
 2020-08-23 12:04:24 +02:00
Clément Foucault
e23ef8753a GPUState: Use explicit depth test enum 2020-08-20 17:02:39 +02:00
Clément Foucault
1dafa87eb5 GPUState: Fix signed / bitfield conversion leading to wrong enum value 
This was creating drawing issues on windows builds.
 2020-08-19 17:13:53 +02:00
Clément Foucault
33fde699e2 Cleanup: GPUState: Remove GPU_state_init() 2020-08-18 21:30:11 +02:00
Clément Foucault
adca09b643 GPUState: Port default state to StateManager constructor 2020-08-18 21:30:11 +02:00
Clément Foucault
a9f2ebb215 Cleanup: DRW: Use GPUState instead of raw opengl calls 
Should not break anything! Huh!
 2020-08-18 21:30:10 +02:00
Clément Foucault
536c2e0ec9 GPUState: Only apply state before drawing 2020-08-18 21:30:10 +02:00
Clément Foucault
482a51aabf Cleanup: GPUState: Remove stack from the state manager and rename it 2020-08-18 21:30:10 +02:00
Clément Foucault
d10f000322 GPUState: Remove gpuPushAttr/gpuPopAttr 
And use manual save/restore mechanism.

The stack method is not used so much to be considered useful.
 2020-08-18 21:30:10 +02:00
Clément Foucault
f30df15edc GPUState: Make use of GPUStateStack class 
This isolate most GL calls to the GL backend. Still a few remains.
 2020-08-18 21:30:10 +02:00
Clément Foucault
bf1b622dd9 GPUState: GPU_blend final API renaming 
We now use GPU_blend for enabling / disabling blending and explicitly
set the blend equation.
 2020-08-18 21:30:10 +02:00
Clément Foucault
10558d6973 Cleanup: GPUState: remove use of GPU_blend_set_func 2020-08-18 21:30:10 +02:00
Clément Foucault
969bcf0793 Cleanup: GPUState: Replace blend func separate by enum 2020-08-18 21:30:10 +02:00
Clément Foucault
a1459b2f7a Cleanup: GPU: Move towards an explicit Blend state 
This make use of the GLStateStack functions for:
- `GPU_blend()`
- `GPU_blend_set_func()`
- `GPU_blend_set_func_separate()`

The goal is to unify them using an explicit state setting.
This will remove the need to use obscure blend functions
 2020-08-18 21:30:10 +02:00
Clément Foucault
2ae1c895a2 GPUState: Add GL backend and state tracking but do not use it 
This is just the backend work. It is not plugged in yet because it
needs more external cleanup/refactor.
 2020-08-18 21:30:10 +02:00
Clément Foucault
0f292dc072 Cleanup: GPUState: remove float variant of GPU_scissor_get 2020-08-18 21:30:10 +02:00
Clément Foucault
5f6fb5bb41 Cleanup: Split gpu_texture_image.c into BKE and IMB modules 
This is in order to disolve GPU_draw.h into more meaningful code blocks.

All the Image related function are in `image_gpu.c`.
All the MovieClip related function are in `movieclip.c`.

The IMB module now has a connection with GPU. This is not strickly
necessary and the code could be move to `image_gpu.c` if needed.

The Image garbage collection is also ported to `image_gpu.c`.
 2020-07-29 23:06:37 +02:00
Clément Foucault
1804a6d040 GPUState: Fix compilation error on MSVC 2020-07-29 15:54:51 +02:00
Clément Foucault
18d2db22ff GPU: Move gpu_state.c to C++ 2020-07-29 15:03:02 +02:00