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mirror of https://github.com/EduApps-CDG/OpenDX synced 2024-12-30 09:45:37 +01:00
OpenDX/src/dxvk/hud/dxvk_hud_text.cpp
Philip Rebohle 807dd72656
[hud] Use buffer invalidation instead of synchronization
The previously used synchronization may have had a negative impact on
performance, whereas the new approach is similar to what D3D11 apps do.
2018-02-08 12:48:54 +01:00

281 lines
9.5 KiB
C++

#include "dxvk_hud_text.h"
#include <hud_text_frag.h>
#include <hud_text_vert.h>
namespace dxvk::hud {
HudTextRenderer::HudTextRenderer(
const Rc<DxvkDevice>& device,
const Rc<DxvkContext>& context)
: m_vertShader (createVertexShader(device)),
m_fragShader (createFragmentShader(device)),
m_fontImage (createFontImage(device)),
m_fontView (createFontView(device)),
m_fontSampler (createFontSampler(device)),
m_vertexBuffer (createVertexBuffer(device)) {
this->initFontTexture(device, context);
this->initCharMap();
}
HudTextRenderer::~HudTextRenderer() {
}
void HudTextRenderer::beginFrame(const Rc<DxvkContext>& context) {
context->bindShader(VK_SHADER_STAGE_VERTEX_BIT, m_vertShader);
context->bindShader(VK_SHADER_STAGE_FRAGMENT_BIT, m_fragShader);
DxvkInputAssemblyState iaState;
iaState.primitiveTopology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
iaState.primitiveRestart = VK_FALSE;
context->setInputAssemblyState(iaState);
const std::array<DxvkVertexAttribute, 3> ilAttributes = {{
{ 0, 0, VK_FORMAT_R32G32_SFLOAT, offsetof(HudTextVertex, position) },
{ 1, 0, VK_FORMAT_R32G32_UINT, offsetof(HudTextVertex, texcoord) },
{ 2, 0, VK_FORMAT_R32G32B32A32_SFLOAT, offsetof(HudTextVertex, color) },
}};
const std::array<DxvkVertexBinding, 1> ilBindings = {{
{ 0, VK_VERTEX_INPUT_RATE_VERTEX },
}};
context->setInputLayout(
ilAttributes.size(),
ilAttributes.data(),
ilBindings.size(),
ilBindings.data());
context->bindVertexBuffer(0,
DxvkBufferSlice(m_vertexBuffer),
sizeof(HudTextVertex));
context->bindResourceSampler(1, m_fontSampler);
context->bindResourceImage (2, m_fontView);
m_vertexIndex = 0;
}
void HudTextRenderer::drawText(
const Rc<DxvkContext>& context,
float size,
HudPos pos,
HudColor color,
const std::string& text) {
const size_t vertexIndex = m_vertexIndex;
auto vertexSlice = m_vertexBuffer->allocPhysicalSlice();
context->invalidateBuffer(m_vertexBuffer, vertexSlice);
HudTextVertex* vertexData = reinterpret_cast<HudTextVertex*>(
vertexSlice.mapPtr(vertexIndex * sizeof(HudTextVertex)));
const float sizeFactor = size / static_cast<float>(g_hudFont.size);
for (size_t i = 0; i < text.size(); i++) {
const HudGlyph& glyph = g_hudFont.glyphs[
m_charMap[static_cast<uint8_t>(text[i])]];
const HudPos size = {
sizeFactor * static_cast<float>(glyph.w),
sizeFactor * static_cast<float>(glyph.h) };
const HudPos origin = {
pos.x + sizeFactor * static_cast<float>(glyph.originX),
pos.y - sizeFactor * static_cast<float>(glyph.originY) };
const HudPos posTl = { origin.x, origin.y };
const HudPos posBr = { origin.x + size.x, origin.y + size.y };
const HudTexCoord texTl = {
static_cast<uint32_t>(glyph.x),
static_cast<uint32_t>(glyph.y), };
const HudTexCoord texBr = {
static_cast<uint32_t>(glyph.x + glyph.w),
static_cast<uint32_t>(glyph.y + glyph.h) };
vertexData[6 * i + 0].position = { posTl.x, posTl.y };
vertexData[6 * i + 0].texcoord = { texTl.u, texTl.v };
vertexData[6 * i + 0].color = color;
vertexData[6 * i + 1].position = { posBr.x, posTl.y };
vertexData[6 * i + 1].texcoord = { texBr.u, texTl.v };
vertexData[6 * i + 1].color = color;
vertexData[6 * i + 2].position = { posTl.x, posBr.y };
vertexData[6 * i + 2].texcoord = { texTl.u, texBr.v };
vertexData[6 * i + 2].color = color;
vertexData[6 * i + 3].position = { posBr.x, posBr.y };
vertexData[6 * i + 3].texcoord = { texBr.u, texBr.v };
vertexData[6 * i + 3].color = color;
vertexData[6 * i + 4].position = { posTl.x, posBr.y };
vertexData[6 * i + 4].texcoord = { texTl.u, texBr.v };
vertexData[6 * i + 4].color = color;
vertexData[6 * i + 5].position = { posBr.x, posTl.y };
vertexData[6 * i + 5].texcoord = { texBr.u, texTl.v };
vertexData[6 * i + 5].color = color;
pos.x += sizeFactor * static_cast<float>(g_hudFont.advance);
}
const uint32_t vertexCount = 6 * text.size();
context->draw(vertexCount, 1, vertexIndex, 0);
m_vertexIndex += vertexCount;
}
Rc<DxvkShader> HudTextRenderer::createVertexShader(const Rc<DxvkDevice>& device) {
const SpirvCodeBuffer codeBuffer(hud_text_vert);
// One shader resource: Global HUD uniform buffer
const std::array<DxvkResourceSlot, 1> resourceSlots = {{
{ 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_IMAGE_VIEW_TYPE_MAX_ENUM },
}};
// 3 input registers, 2 output registers, tightly packed
const DxvkInterfaceSlots interfaceSlots = { 0x7, 0x3 };
return new DxvkShader(
VK_SHADER_STAGE_VERTEX_BIT,
resourceSlots.size(),
resourceSlots.data(),
interfaceSlots,
codeBuffer);
}
Rc<DxvkShader> HudTextRenderer::createFragmentShader(const Rc<DxvkDevice>& device) {
const SpirvCodeBuffer codeBuffer(hud_text_frag);
// One shader resource: Global HUD uniform buffer
const std::array<DxvkResourceSlot, 2> resourceSlots = {{
{ 1, VK_DESCRIPTOR_TYPE_SAMPLER, VK_IMAGE_VIEW_TYPE_MAX_ENUM },
{ 2, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, VK_IMAGE_VIEW_TYPE_2D },
}};
// 2 input registers, 1 output register
const DxvkInterfaceSlots interfaceSlots = { 0x3, 0x1 };
return new DxvkShader(
VK_SHADER_STAGE_FRAGMENT_BIT,
resourceSlots.size(),
resourceSlots.data(),
interfaceSlots,
codeBuffer);
}
Rc<DxvkImage> HudTextRenderer::createFontImage(const Rc<DxvkDevice>& device) {
DxvkImageCreateInfo info;
info.type = VK_IMAGE_TYPE_2D;
info.format = VK_FORMAT_R8_UNORM;
info.flags = 0;
info.sampleCount = VK_SAMPLE_COUNT_1_BIT;
info.extent = { g_hudFont.width, g_hudFont.height, 1 };
info.numLayers = 1;
info.mipLevels = 1;
info.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT
| VK_IMAGE_USAGE_SAMPLED_BIT;
info.stages = VK_PIPELINE_STAGE_TRANSFER_BIT
| VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
info.access = VK_ACCESS_TRANSFER_WRITE_BIT
| VK_ACCESS_SHADER_READ_BIT;
info.tiling = VK_IMAGE_TILING_OPTIMAL;
info.layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
return device->createImage(info, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
}
Rc<DxvkImageView> HudTextRenderer::createFontView(const Rc<DxvkDevice>& device) {
DxvkImageViewCreateInfo info;
info.type = VK_IMAGE_VIEW_TYPE_2D;
info.format = m_fontImage->info().format;
info.aspect = VK_IMAGE_ASPECT_COLOR_BIT;
info.minLevel = 0;
info.numLevels = 1;
info.minLayer = 0;
info.numLayers = 1;
return device->createImageView(m_fontImage, info);
}
Rc<DxvkSampler> HudTextRenderer::createFontSampler(const Rc<DxvkDevice>& device) {
DxvkSamplerCreateInfo info;
info.magFilter = VK_FILTER_LINEAR;
info.minFilter = VK_FILTER_LINEAR;
info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
info.mipmapLodBias = 0.0f;
info.mipmapLodMin = 0.0f;
info.mipmapLodMax = 0.0f;
info.useAnisotropy = VK_FALSE;
info.maxAnisotropy = 1.0f;
info.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
info.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
info.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
info.compareToDepth = VK_FALSE;
info.compareOp = VK_COMPARE_OP_NEVER;
info.borderColor = VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK;
info.usePixelCoord = VK_TRUE;
return device->createSampler(info);
}
Rc<DxvkBuffer> HudTextRenderer::createVertexBuffer(const Rc<DxvkDevice>& device) {
DxvkBufferCreateInfo info;
info.size = MaxVertexCount * sizeof(HudTextVertex);
info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
info.stages = VK_PIPELINE_STAGE_VERTEX_INPUT_BIT;
info.access = VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT;
return device->createBuffer(info,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT |
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
}
void HudTextRenderer::initFontTexture(
const Rc<DxvkDevice>& device,
const Rc<DxvkContext>& context) {
context->beginRecording(
device->createCommandList());
context->initImage(m_fontImage,
VkImageSubresourceRange {
VK_IMAGE_ASPECT_COLOR_BIT,
0, 1, 0, 1 });
context->updateImage(m_fontImage,
VkImageSubresourceLayers {
VK_IMAGE_ASPECT_COLOR_BIT,
0, 0, 1 },
VkOffset3D { 0, 0, 0 },
VkExtent3D { g_hudFont.width, g_hudFont.height, 1 },
g_hudFont.texture,
g_hudFont.width,
g_hudFont.width * g_hudFont.height);
device->submitCommandList(
context->endRecording(),
nullptr, nullptr);
}
void HudTextRenderer::initCharMap() {
std::fill(m_charMap.begin(), m_charMap.end(), 0);
for (uint32_t i = 0; i < g_hudFont.charCount; i++)
m_charMap.at(g_hudFont.glyphs[i].codePoint) = i;
}
}