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start work on display capture

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also fix a bug in the compositing shader
This commit is contained in:
Arisotura
2019-05-17 22:50:41 +02:00
parent 26f997172b
commit de287825ee
5 changed files with 88 additions and 22 deletions
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81
src/GPU3D_OpenGL43.cpp
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@ -100,9 +100,9 @@ int ScaleFactor;
bool Accelerated;
int ScreenW, ScreenH;
GLuint FramebufferTex[6];
GLuint FramebufferTex[8];
int FrontBuffer;
GLuint FramebufferID[2], PixelbufferID;
GLuint FramebufferID[4], PixelbufferID;
u32* Framebuffer = NULL;
bool ChunkedRendering = false;
@ -260,10 +260,10 @@ bool Init()
glVertexAttribIPointer(3, 3, GL_UNSIGNED_INT, 7*4, (void*)(4*4));
glGenFramebuffers(2, &FramebufferID[0]);
glGenFramebuffers(4, &FramebufferID[0]);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[0]);
glGenTextures(6, &FramebufferTex[0]);
glGenTextures(8, &FramebufferTex[0]);
FrontBuffer = 0;
// color buffers
@ -286,7 +286,12 @@ bool Init()
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, FramebufferTex[4], 0);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[6]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// attribute buffer
// R: opaque polyID (for edgemarking)
@ -297,16 +302,40 @@ bool Init()
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, FramebufferTex[5], 0);
// downscale framebuffer, for antialiased mode
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[1]);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[7]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// downscale framebuffer for antialiased mode
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[2]);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[2]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FramebufferTex[2], 0);
// downscale framebuffer for display capture (always 256x192)
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[3]);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[3]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, 192, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FramebufferTex[3], 0);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[0]);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FramebufferTex[0], 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, FramebufferTex[4], 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, FramebufferTex[5], 0);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[1]);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FramebufferTex[1], 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, FramebufferTex[6], 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, FramebufferTex[7], 0);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[0]);
@ -373,10 +402,13 @@ void SetDisplaySettings(int scale, bool accel)
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, ScreenW, ScreenH, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[5]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8UI, ScreenW, ScreenH, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[6]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, ScreenW, ScreenH, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL);
glBindTexture(GL_TEXTURE_2D, FramebufferTex[7]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8UI, ScreenW, ScreenH, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, NULL);
glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID);
if (accel) glBufferData(GL_PIXEL_PACK_BUFFER, ScreenW*ScreenH*4, NULL, GL_DYNAMIC_READ);
else glBufferData(GL_PIXEL_PACK_BUFFER, 256*192, NULL, GL_DYNAMIC_READ);
glBufferData(GL_PIXEL_PACK_BUFFER, 256*192*4, NULL, GL_DYNAMIC_READ);
if (Framebuffer) delete[] Framebuffer;
if (accel) Framebuffer = new u32[256*192];
@ -774,7 +806,8 @@ void RenderFrame()
if (Accelerated)
{
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FramebufferTex[FrontBuffer], 0);
//glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, FramebufferTex[FrontBuffer], 0);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[FrontBuffer]);
FrontBuffer = FrontBuffer ? 0 : 1;
}
@ -856,18 +889,36 @@ void RenderFrame()
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[0]);
}
if (!Accelerated)
/*if (!Accelerated)
{
glReadBuffer(GL_COLOR_ATTACHMENT0);
glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID);
glReadPixels(0, 0, 256<<ScaleFactor, 192<<ScaleFactor, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
}
}*/
}
void PrepareCaptureFrame()
{
// TODO: make sure this picks the right buffer when doing antialiasing
int original_fb = FrontBuffer^1;
glBindFramebuffer(GL_READ_FRAMEBUFFER, FramebufferID[original_fb]);
glReadBuffer(GL_COLOR_ATTACHMENT0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, FramebufferID[3]);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
glBlitFramebuffer(0, 0, ScreenW, ScreenH, 0, 0, 256, 192, GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBindFramebuffer(GL_READ_FRAMEBUFFER, FramebufferID[3]);
glReadPixels(0, 0, 256, 192, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
//glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[original_fb]);
//glFlush();
}
u32* GetLine(int line)
{
int stride = 256 << (ScaleFactor*2);
int stride = 256;// << (ScaleFactor*2);
if (line == 0)
{