diff options
Diffstat (limited to 'src/core/hw/gpu.cpp')
| -rw-r--r-- | src/core/hw/gpu.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp index dd619cb16..e346e0ad6 100644 --- a/src/core/hw/gpu.cpp +++ b/src/core/hw/gpu.cpp @@ -10,6 +10,7 @@ #include "core/hle/hle.h" #include "core/hle/service/gsp_gpu.h" +#include "core/hle/service/dsp_dsp.h" #include "core/hw/gpu.h" @@ -94,11 +95,15 @@ inline void Write(u32 addr, const T data) { int r, g, b, a; } source_color = { 0, 0, 0, 0 }; + // Cheap emulation of horizontal scaling: Just skip each second pixel of the + // input framebuffer. We keep track of this in the pixel_skip variable. + unsigned pixel_skip = (config.scale_horizontally != 0) ? 2 : 1; + switch (config.input_format) { case Regs::PixelFormat::RGBA8: { // TODO: Most likely got the component order messed up. - u8* srcptr = source_pointer + x * 4 + y * config.input_width * 4; + u8* srcptr = source_pointer + x * 4 * pixel_skip + y * config.input_width * 4 * pixel_skip; source_color.r = srcptr[0]; // blue source_color.g = srcptr[1]; // green source_color.b = srcptr[2]; // red @@ -210,13 +215,18 @@ void Update() { // - If frameskip == 0 (disabled), always swap buffers // - If frameskip == 1, swap buffers every other frame (starting from the first frame) // - If frameskip > 1, swap buffers every frameskip^n frames (starting from the second frame) - if ((((Settings::values.frame_skip != 1) ^ last_skip_frame) && last_skip_frame != g_skip_frame) || Settings::values.frame_skip == 0) { VideoCore::g_renderer->SwapBuffers(); } + // Signal to GSP that GPU interrupt has occurred GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PDC1); + + // TODO(bunnei): Fake a DSP interrupt on each frame. This does not belong here, but + // until we can emulate DSP interrupts, this is probably the only reasonable place to do + // this. Certain games expect this to be periodically signaled. + DSP_DSP::SignalInterrupt(); } } } |