1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
#pragma once
#include <memory>
#include <vector>
#include "GenericBuffer.h"
class PostProcess
{
protected:
std::vector<std::unique_ptr<renderTarget_t>> m_renderTargets;
std::vector<std::unique_ptr<textureBuffer_t>> m_textures;
public:
/**
* Activates/Binds render-target textures.
* @param idx Index of rendertarget to bind
* @param textureUnit offset of texture unit to assign (0 for GL_TEXTURE0, 1
* for GL_TEXTURE1, etc...)
* @note indices should preferably be passed in as an enum for clarity
* Usage: Use render target from previous render pass as an input to
* sample from (e.g. sample from normal map created in previous pass for
* lighting in current pass.
*/
virtual void activateRTAsTexture(std::size_t idx, GLuint textureUnit);
/**
* Activates/Binds non-render-target textures.
* @param idx Index of texture to bind
* @param textureUnit offset of texture unit to assign (0 for GL_TEXTURE0, 1
* for GL_TEXTURE1, etc...)
* @note indices should preferably be passed in as an enum for clarity
* Usage: Use textures created/imported offline to sample from (e.g. Sample
* from static image for background)
*/
virtual void activateTexture(std::size_t idx, GLuint textureUnit);
/**
* Bind render target for rendering into
* @param idx Index of render target to draw to
* @param clear determines if the attachment texture should be cleared before
* rendering.
* Usage: Use for preparing to draw to a render target's FBO's texture.
* Note: For RBO drawing, use bindFBORBO
*/
virtual void bindRT(std::size_t idx, bool clear = true);
/**
* Bind render target (with RBO) for rendering into
* @param idx Index of render target to draw to
* @param clear determines if the attachment texture should be cleared before
* rendering.
* Usage: Use for preparing to draw to a render target's FBO's render buffer.
* Note: For texture drawing, use bindRT
*/
virtual void bindFBORBO(std::size_t idx);
/**
*
* Obtain rendering dimension
* @param idx Index of render target to query size from
* Note: A subclass of Postprocess shall populate their render targets in
* its constructor else results are undefined.
*/
const renderTarget_t::shape_type size(std::size_t idx = 0) const noexcept;
virtual ~PostProcess() = default;
};
#ifndef _PYMOL_NO_AA_SHADERS
#endif
class OIT_PostProcess : public PostProcess
{
public:
struct OITRT {
enum { ACCUM = 0, REVEALAGE = 1, TOTAL = 2 };
};
OIT_PostProcess(int width, int height, renderBuffer_t* rbo);
void bindRT(std::size_t idx, bool clear = true) override;
void activateRTAsTexture(std::size_t idx, GLuint textureUnit) override;
};
|
