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Merge pull request #358 from neobrain/pica_progress2

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pica_progress followups
This commit is contained in:
bunnei 2015-01-01 20:54:45 -05:00
commit 7c8f6ca051
11 changed files with 385 additions and 125 deletions
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6
src/core/hw/gpu.cpp
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@ -94,11 +94,15 @@ 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

3
src/core/hw/gpu.h
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@ -157,6 +157,9 @@ struct Regs {
BitField< 8, 3, PixelFormat> input_format;
BitField<12, 3, PixelFormat> output_format;
BitField<16, 1, u32> output_tiled; // stores output in a tiled format
// TODO: Not really sure if this actually scales, or even resizes at all.
BitField<24, 1, u32> scale_horizontally;
};
INSERT_PADDING_WORDS(0x1);