renderer_vulkan: Disable dynamic index conditionally (#20)

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GPUCode 2024-03-07 13:12:21 +02:00 committed by GitHub
parent c4c90f0190
commit 8433057909
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GPG key ID: B5690EEEBB952194
7 changed files with 68 additions and 13 deletions

View file

@ -20,6 +20,21 @@ layout (push_constant, std140) uniform DrawInfo {
layout (set = 0, binding = 0) uniform sampler2D screen_textures[3];
void main() {
color = texture(screen_textures[screen_id_l], frag_tex_coord);
vec4 GetScreen(int screen_id) {
#ifdef ARRAY_DYNAMIC_INDEX
return texture(screen_textures[screen_id], frag_tex_coord);
#else
switch (screen_id) {
case 0:
return texture(screen_textures[0], frag_tex_coord);
case 1:
return texture(screen_textures[1], frag_tex_coord);
case 2:
return texture(screen_textures[2], frag_tex_coord);
}
#endif
}
void main() {
color = GetScreen(screen_id_l);
}

View file

@ -32,8 +32,23 @@ layout (push_constant, std140) uniform DrawInfo {
layout (set = 0, binding = 0) uniform sampler2D screen_textures[3];
vec4 GetScreen(int screen_id) {
#ifdef ARRAY_DYNAMIC_INDEX
return texture(screen_textures[screen_id], frag_tex_coord);
#else
switch (screen_id) {
case 0:
return texture(screen_textures[0], frag_tex_coord);
case 1:
return texture(screen_textures[1], frag_tex_coord);
case 2:
return texture(screen_textures[2], frag_tex_coord);
}
#endif
}
void main() {
vec4 color_tex_l = texture(screen_textures[screen_id_l], frag_tex_coord);
vec4 color_tex_r = texture(screen_textures[screen_id_r], frag_tex_coord);
vec4 color_tex_l = GetScreen(screen_id_l);
vec4 color_tex_r = GetScreen(screen_id_r);
color = vec4(color_tex_l.rgb*l+color_tex_r.rgb*r, color_tex_l.a);
}

View file

@ -20,10 +20,25 @@ layout (push_constant, std140) uniform DrawInfo {
layout (set = 0, binding = 0) uniform sampler2D screen_textures[3];
vec4 GetScreen(int screen_id) {
#ifdef ARRAY_DYNAMIC_INDEX
return texture(screen_textures[screen_id], frag_tex_coord);
#else
switch (screen_id) {
case 0:
return texture(screen_textures[0], frag_tex_coord);
case 1:
return texture(screen_textures[1], frag_tex_coord);
case 2:
return texture(screen_textures[2], frag_tex_coord);
}
#endif
}
void main() {
float screen_row = o_resolution.x * frag_tex_coord.x;
if (int(screen_row) % 2 == reverse_interlaced)
color = texture(screen_textures[screen_id_l], frag_tex_coord);
color = GetScreen(screen_id_l);
else
color = texture(screen_textures[screen_id_r], frag_tex_coord);
color = GetScreen(screen_id_r);
}

View file

@ -224,15 +224,17 @@ void RendererVulkan::LoadFBToScreenInfo(const Pica::FramebufferConfig& framebuff
}
void RendererVulkan::CompileShaders() {
vk::Device device = instance.GetDevice();
const vk::Device device = instance.GetDevice();
const std::string_view preamble =
instance.IsImageArrayDynamicIndexSupported() ? "#define ARRAY_DYNAMIC_INDEX" : "";
present_vertex_shader =
Compile(HostShaders::VULKAN_PRESENT_VERT, vk::ShaderStageFlagBits::eVertex, device);
present_shaders[0] =
Compile(HostShaders::VULKAN_PRESENT_FRAG, vk::ShaderStageFlagBits::eFragment, device);
present_shaders[0] = Compile(HostShaders::VULKAN_PRESENT_FRAG,
vk::ShaderStageFlagBits::eFragment, device, preamble);
present_shaders[1] = Compile(HostShaders::VULKAN_PRESENT_ANAGLYPH_FRAG,
vk::ShaderStageFlagBits::eFragment, device);
vk::ShaderStageFlagBits::eFragment, device, preamble);
present_shaders[2] = Compile(HostShaders::VULKAN_PRESENT_INTERLACED_FRAG,
vk::ShaderStageFlagBits::eFragment, device);
vk::ShaderStageFlagBits::eFragment, device, preamble);
auto properties = instance.GetPhysicalDevice().getProperties();
for (std::size_t i = 0; i < present_samplers.size(); i++) {

View file

@ -248,6 +248,11 @@ public:
return triangle_fan_supported;
}
/// Returns true if dynamic indices can be used inside shaders.
bool IsImageArrayDynamicIndexSupported() const {
return features.shaderSampledImageArrayDynamicIndexing;
}
/// Returns the minimum vertex stride alignment
u32 GetMinVertexStrideAlignment() const {
return min_vertex_stride_alignment;

View file

@ -158,7 +158,8 @@ bool InitializeCompiler() {
}
} // Anonymous namespace
vk::ShaderModule Compile(std::string_view code, vk::ShaderStageFlagBits stage, vk::Device device) {
vk::ShaderModule Compile(std::string_view code, vk::ShaderStageFlagBits stage, vk::Device device,
std::string_view premable) {
if (!InitializeCompiler()) {
return {};
}
@ -176,6 +177,7 @@ vk::ShaderModule Compile(std::string_view code, vk::ShaderStageFlagBits stage, v
shader->setEnvTarget(glslang::EShTargetSpv,
glslang::EShTargetLanguageVersion::EShTargetSpv_1_3);
shader->setStringsWithLengths(&pass_source_code, &pass_source_code_length, 1);
shader->setPreamble(premable.data());
glslang::TShader::ForbidIncluder includer;
if (!shader->parse(&DefaultTBuiltInResource, default_version, profile, false, true, messages,

View file

@ -16,7 +16,8 @@ namespace Vulkan {
* @param stage The pipeline stage the shader will be used in.
* @param device The vulkan device handle.
*/
vk::ShaderModule Compile(std::string_view code, vk::ShaderStageFlagBits stage, vk::Device device);
vk::ShaderModule Compile(std::string_view code, vk::ShaderStageFlagBits stage, vk::Device device,
std::string_view premable = "");
/**
* @brief Creates a vulkan shader module from SPIR-V bytecode.