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melonDS
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actually, seems faster to read it all at once??

This commit is contained in:
Arisotura 2019-04-01 04:58:21 +02:00
parent 4bf75a8d8e
commit 00341bbae5
1 changed files with 9 additions and 6 deletions
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15
src/GPU3D_OpenGL43.cpp
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@ -114,7 +114,8 @@ bool Init()
glGenBuffers(1, &PixelbufferID); glGenBuffers(1, &PixelbufferID);
glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID); glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID);
glBufferData(GL_PIXEL_PACK_BUFFER, 256*48*4, NULL, GL_DYNAMIC_READ); //glBufferData(GL_PIXEL_PACK_BUFFER, 256*48*4, NULL, GL_DYNAMIC_READ);
glBufferData(GL_PIXEL_PACK_BUFFER, 256*192*4, NULL, GL_DYNAMIC_READ);
return true; return true;
} }
@ -142,7 +143,8 @@ void RenderFrame()
glReadBuffer(GL_COLOR_ATTACHMENT0); glReadBuffer(GL_COLOR_ATTACHMENT0);
//glReadPixels(0, 0, 256, 48, GL_RGBA, GL_UNSIGNED_BYTE, Framebuffer); //glReadPixels(0, 0, 256, 48, GL_RGBA, GL_UNSIGNED_BYTE, Framebuffer);
glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID); glBindBuffer(GL_PIXEL_PACK_BUFFER, PixelbufferID);
glReadPixels(0, 0, 256, 48, GL_BGRA, GL_UNSIGNED_BYTE, NULL); //glReadPixels(0, 0, 256, 48, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glReadPixels(0, 0, 256, 192, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
} }
void RequestLine(int line) void RequestLine(int line)
@ -150,12 +152,13 @@ void RequestLine(int line)
if (line == 0) if (line == 0)
{ {
u8* data = (u8*)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY); u8* data = (u8*)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
if (data) memcpy(&Framebuffer[4*256*0], data, 4*256*48); //if (data) memcpy(&Framebuffer[4*256*0], data, 4*256*48);
if (data) memcpy(&Framebuffer[4*256*0], data, 4*256*192);
glUnmapBuffer(GL_PIXEL_PACK_BUFFER); glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
glReadPixels(0, 48, 256, 48, GL_BGRA, GL_UNSIGNED_BYTE, NULL); //glReadPixels(0, 48, 256, 48, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
} }
else if (line == 48) /*else if (line == 48)
{ {
u8* data = (u8*)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY); u8* data = (u8*)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
if (data) memcpy(&Framebuffer[4*256*48], data, 4*256*48); if (data) memcpy(&Framebuffer[4*256*48], data, 4*256*48);
@ -176,7 +179,7 @@ void RequestLine(int line)
u8* data = (u8*)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY); u8* data = (u8*)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
if (data) memcpy(&Framebuffer[4*256*144], data, 4*256*48); if (data) memcpy(&Framebuffer[4*256*144], data, 4*256*48);
glUnmapBuffer(GL_PIXEL_PACK_BUFFER); glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
} }*/
} }
u32* GetLine(int line) u32* GetLine(int line)