Emulation/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-04-02 11:01:50 -04:00
Code Issues Projects Releases Packages Wiki Activity

Remove support for 16-bit textures from the upscaling shader, to shorten it for benefit of mobile GPUs

Browse source
This commit is contained in:
Henrik Rydgård 2021-11-07 16:08:57 +01:00
parent 5654d3c9ed
commit c60feef55e
1 changed files with 3 additions and 41 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

44
GPU/Vulkan/TextureCacheVulkan.cpp
View file

@ -74,38 +74,10 @@ layout(std430, binding = 1) buffer Buf {
layout(push_constant) uniform Params {
int width;
int height;
int scale;
int fmt;
} params;
uint readColoru(uvec2 p) {
if (params.fmt == 0) {
return buf.data[p.y * params.width + p.x];
} else {
uint offset = p.y * params.width + p.x;
uint data = buf.data[offset / 2];
if ((offset & 1) != 0) {
data = data >> 16;
}
if (params.fmt == 6) {
uint r = ((data << 3) & 0xF8) | ((data >> 2) & 0x07);
uint g = ((data >> 3) & 0xFC) | ((data >> 9) & 0x03);
uint b = ((data >> 8) & 0xF8) | ((data >> 13) & 0x07);
return 0xFF000000 | (b << 16) | (g << 8) | r;
} else if (params.fmt == 5) {
uint r = ((data << 3) & 0xF8) | ((data >> 2) & 0x07);
uint g = ((data >> 2) & 0xF8) | ((data >> 7) & 0x07);
uint b = ((data >> 7) & 0xF8) | ((data >> 12) & 0x07);
uint a = ((data >> 15) & 0x01) == 0 ? 0x00 : 0xFF;
return (a << 24) | (b << 16) | (g << 8) | r;
} else if (params.fmt == 4) {
uint r = (data & 0x0F) | ((data << 4) & 0xF0);
uint g = (data & 0xF0) | ((data >> 4) & 0x0F);
uint b = ((data >> 8) & 0x0F) | ((data >> 4) & 0xF0);
uint a = ((data >> 12) & 0x0F) | ((data >> 8) & 0xF0);
return (a << 24) | (b << 16) | (g << 8) | r;
}
}
return buf.data[p.y * params.width + p.x];
}
vec4 readColorf(uvec2 p) {
@ -683,6 +655,7 @@ void TextureCacheVulkan::BuildTexture(TexCacheEntry *const entry) {
if (hardwareScaling) {
_assert_(shaderScaleFactor_ != 0);
scaleFactor = shaderScaleFactor_;
dstFmt = VK_FORMAT_R8G8B8A8_UNORM;
}
// Rachet down scale factor in low-memory mode.
@ -869,18 +842,7 @@ void TextureCacheVulkan::BuildTexture(TexCacheEntry *const entry) {
// This format can be used with storage images.
VkImageView view = entry->vkTex->CreateViewForMip(i);
VkDescriptorSet descSet = computeShaderManager_.GetDescriptorSet(view, texBuf, bufferOffset, srcSize);
struct Params { int x; int y; int s; int fmt; } params{ mipUnscaledWidth, mipUnscaledHeight, scaleFactor, 0 };
switch (dstFmt) {
case VULKAN_4444_FORMAT:
params.fmt = 4;
break;
case VULKAN_1555_FORMAT:
params.fmt = 5;
break;
case VULKAN_565_FORMAT:
params.fmt = 6;
break;
}
struct Params { int x; int y; } params{ mipUnscaledWidth, mipUnscaledHeight };
vkCmdBindPipeline(cmdInit, VK_PIPELINE_BIND_POINT_COMPUTE, computeShaderManager_.GetPipeline(uploadCS_));
vkCmdBindDescriptorSets(cmdInit, VK_PIPELINE_BIND_POINT_COMPUTE, computeShaderManager_.GetPipelineLayout(), 0, 1, &descSet, 0, nullptr);
vkCmdPushConstants(cmdInit, computeShaderManager_.GetPipelineLayout(), VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(params), &params);