修复文字显示bug

This commit is contained in:
ubuntu1804 2025-11-10 20:26:57 +08:00
parent 25e6159176
commit 96a744bde0
4 changed files with 158 additions and 145 deletions

View File

@ -7,24 +7,30 @@ layout(location = 2) in vec2 inTexCoord;
layout(location = 0) out vec4 fragColor;
layout(location = 1) out vec2 fragTexCoord;
layout(binding = 0) uniform UniformBufferObject {
float time;
vec2 resolution;
float rotation;
float wavePhase;
// Use std140 layout and separate floats instead of vec2 to avoid alignment issues
layout(binding = 0, std140) uniform UniformBufferObject {
float time; // offset 0
float resX; // offset 4
float resY; // offset 8
float rotation; // offset 12
float wavePhase; // offset 16
float padding1; // offset 20
float padding2; // offset 24
} ubo;
void main() {
// Transform position from pixel coordinates to normalized device coordinates
// Input position is in pixel coordinates (0,0 = top-left)
vec2 pos = inPosition;
// Convert to NDC: (0, 0) to (width, height) -> (-1, -1) to (1, 1)
vec2 ndc = (pos / ubo.resolution) * 2.0 - 1.0;
// Note: Vulkan NDC has Y pointing down, but we want traditional Y-up
float ndcX = (pos.x / ubo.resX) * 2.0 - 1.0;
float ndcY = (pos.y / ubo.resY) * 2.0 - 1.0;
// Flip Y axis (Vulkan has Y down, we want Y up for easier math)
ndc.y = -ndc.y;
// NO Y-flip needed here - text coordinates are already in screen space
// where (0,0) is top-left, which matches Vulkan's framebuffer coordinates
gl_Position = vec4(ndcX, ndcY, 0.0, 1.0);
gl_Position = vec4(ndc, 0.0, 1.0);
fragColor = inColor;
fragTexCoord = inTexCoord;
}

Binary file not shown.

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@ -1,60 +1,67 @@
// Auto-generated from text.vert.spv
// Size: 1840 bytes (460 words)
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// Size: 2080 bytes (520 words)
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@ -2305,16 +2305,16 @@ void VulkanRenderer::drawText(VkCommandBuffer commandBuffer, int frameCount,
std::string title = "PAINTING DISABLED";
std::string subtitle = "(Screen Locked)";
generateTextQuads(title, m_width / 2.0f - 250.0f, m_height / 2.0f - 50.0f, 1.2f, white, vertices, indices);
generateTextQuads(subtitle, m_width / 2.0f - 180.0f, m_height / 2.0f + 30.0f, 0.9f, gray, vertices, indices);
generateTextQuads(title, m_width / 2.0f - 250.0f, m_height / 2.0f - 50.0f, 0.6f, white, vertices, indices);
generateTextQuads(subtitle, m_width / 2.0f - 180.0f, m_height / 2.0f + 30.0f, 0.5f, gray, vertices, indices);
// Stats
std::string stats = "Total Frames Painted: " + std::to_string(frameCount);
generateTextQuads(stats, 20.0f, m_height - 60.0f, 0.7f, gray, vertices, indices);
generateTextQuads(stats, 20.0f, m_height - 60.0f, 0.3f, gray, vertices, indices);
} else {
// Active rendering state
std::string title = "Screen Lock Detector - Painting Active";
generateTextQuads(title, m_width / 2.0f - 350.0f, 30.0f, 0.8f, white, vertices, indices);
generateTextQuads(title, m_width / 2.0f - 150.0f, 30.0f, 0.4f, white, vertices, indices);
// Stats info box
std::string frameStr = "Frame Count: " + std::to_string(frameCount);
@ -2322,15 +2322,15 @@ void VulkanRenderer::drawText(VkCommandBuffer commandBuffer, int frameCount,
std::string rotStr = "Rotation: " + std::to_string((int)m_ubo.rotation) + "°";
std::string timeStr = "Running Time: " + std::to_string((int)m_ubo.time) + "s";
generateTextQuads(frameStr, 20.0f, 90.0f, 0.6f, green, vertices, indices);
generateTextQuads(fpsStr, 20.0f, 130.0f, 0.6f, green, vertices, indices);
generateTextQuads(rotStr, 20.0f, 170.0f, 0.6f, green, vertices, indices);
generateTextQuads(timeStr, 20.0f, 210.0f, 0.6f, green, vertices, indices);
generateTextQuads(frameStr, 20.0f, 90.0f, 0.3f, green, vertices, indices);
generateTextQuads(fpsStr, 20.0f, 130.0f, 0.3f, green, vertices, indices);
generateTextQuads(rotStr, 20.0f, 170.0f, 0.3f, green, vertices, indices);
generateTextQuads(timeStr, 20.0f, 210.0f, 0.3f, green, vertices, indices);
// Lock info (if available)
if (!lockInfo.empty()) {
std::string lockTitle = "Last Lock Info:";
generateTextQuads(lockTitle, 20.0f, 270.0f, 0.65f, magenta, vertices, indices);
generateTextQuads(lockTitle, 20.0f, 270.0f, 0.3f, magenta, vertices, indices);
// Parse lock info (assuming format from lockInfo string)
size_t pos = 0;
@ -2339,19 +2339,19 @@ void VulkanRenderer::drawText(VkCommandBuffer commandBuffer, int frameCount,
while ((pos = info.find('\n')) != std::string::npos) {
std::string token = info.substr(0, pos);
if (!token.empty()) {
generateTextQuads(token, 20.0f, 310.0f + line * 40.0f, 0.5f, magenta, vertices, indices);
generateTextQuads(token, 20.0f, 310.0f + line * 40.0f, 0.2f, magenta, vertices, indices);
line++;
}
info.erase(0, pos + 1);
}
if (!info.empty()) {
generateTextQuads(info, 20.0f, 310.0f + line * 40.0f, 0.5f, magenta, vertices, indices);
generateTextQuads(info, 20.0f, 310.0f + line * 40.0f, 0.2f, magenta, vertices, indices);
}
}
// Hint at bottom
std::string hint = "Lock your screen to see the painting stop automatically!";
generateTextQuads(hint, m_width / 2.0f - 420.0f, m_height - 50.0f, 0.65f, yellow, vertices, indices);
generateTextQuads(hint, m_width / 2.0f - 420.0f, m_height - 50.0f, 0.3f, yellow, vertices, indices);
}
// Create temporary buffers for text