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GL: don't draw the screens when nothing is running

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This commit is contained in:
StapleButter
2019-05-31 12:25:16 +02:00
parent 464b116916
commit 1a3314f0bd
1 changed files with 29 additions and 26 deletions
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55
src/libui_sdl/main.cpp
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@ -396,35 +396,38 @@ void GLScreen_DrawScreen()
glClearColor(0, 0, 0, 1); glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT);
int frontbuf = GPU::FrontBuffer; if (RunningSomething)
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, GL_ScreenTexture);
if (GPU::Framebuffer[frontbuf][0] && GPU::Framebuffer[frontbuf][1])
{ {
if (GPU3D::Renderer == 0) int frontbuf = GPU::FrontBuffer;
{ glActiveTexture(GL_TEXTURE0);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256, 192, GL_RGBA_INTEGER, glBindTexture(GL_TEXTURE_2D, GL_ScreenTexture);
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][0]);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 192, 256, 192, GL_RGBA_INTEGER,
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][1]);
}
else
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256*3 + 1, 192, GL_RGBA_INTEGER,
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][0]);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 192, 256*3 + 1, 192, GL_RGBA_INTEGER,
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][1]);
}
}
glActiveTexture(GL_TEXTURE1); if (GPU::Framebuffer[frontbuf][0] && GPU::Framebuffer[frontbuf][1])
if (GPU3D::Renderer != 0) {
GPU3D::GLRenderer::SetupAccelFrame(); if (GPU3D::Renderer == 0)
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256, 192, GL_RGBA_INTEGER,
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][0]);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 192, 256, 192, GL_RGBA_INTEGER,
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][1]);
}
else
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256*3 + 1, 192, GL_RGBA_INTEGER,
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][0]);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 192, 256*3 + 1, 192, GL_RGBA_INTEGER,
GL_UNSIGNED_BYTE, GPU::Framebuffer[frontbuf][1]);
}
}
glBindBuffer(GL_ARRAY_BUFFER, GL_ScreenVertexBufferID); glActiveTexture(GL_TEXTURE1);
glBindVertexArray(GL_ScreenVertexArrayID); if (GPU3D::Renderer != 0)
glDrawArrays(GL_TRIANGLES, 0, 4*3); GPU3D::GLRenderer::SetupAccelFrame();
glBindBuffer(GL_ARRAY_BUFFER, GL_ScreenVertexBufferID);
glBindVertexArray(GL_ScreenVertexArrayID);
glDrawArrays(GL_TRIANGLES, 0, 4*3);
}
glFlush(); glFlush();
uiGLSwapBuffers(GLContext); uiGLSwapBuffers(GLContext);