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Obtain supported Vulkan API

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This commit is contained in:
Bastiaan Olij
2021-03-22 21:04:55 +11:00
parent 5953f4d766
commit a6c989bc1b
6 changed files with 326 additions and 7 deletions
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26
modules/glslang/register_types.cpp
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@@ -37,7 +37,7 @@
#include <glslang/Include/Types.h>
#include <glslang/Public/ShaderLang.h>
static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage, const String &p_source_code, RenderingDevice::ShaderLanguage p_language, String *r_error) {
static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage, const String &p_source_code, RenderingDevice::ShaderLanguage p_language, String *r_error, const RenderingDevice::Capabilities *p_capabilities) {
Vector<uint8_t> ret;
ERR_FAIL_COND_V(p_language == RenderingDevice::SHADER_LANGUAGE_HLSL, ret);
@@ -52,17 +52,35 @@ static Vector<uint8_t> _compile_shader_glsl(RenderingDevice::ShaderStage p_stage
int ClientInputSemanticsVersion = 100; // maps to, say, #define VULKAN 100
glslang::EShTargetClientVersion VulkanClientVersion = glslang::EShTargetVulkan_1_0;
glslang::EShTargetLanguageVersion TargetVersion = glslang::EShTargetSpv_1_3;
glslang::EShTargetClientVersion ClientVersion = glslang::EShTargetVulkan_1_2;
glslang::EShTargetLanguageVersion TargetVersion = glslang::EShTargetSpv_1_5;
glslang::TShader::ForbidIncluder includer;
if (p_capabilities->device_family == RenderingDevice::DeviceFamily::DEVICE_VULKAN) {
if (p_capabilities->version_major == 1 && p_capabilities->version_minor == 0) {
ClientVersion = glslang::EShTargetVulkan_1_0;
TargetVersion = glslang::EShTargetSpv_1_0;
} else if (p_capabilities->version_major == 1 && p_capabilities->version_minor == 1) {
ClientVersion = glslang::EShTargetVulkan_1_1;
TargetVersion = glslang::EShTargetSpv_1_3;
} else {
// use defaults
}
} else {
// once we support other backends we'll need to do something here
if (r_error) {
(*r_error) = "GLSLANG - Unsupported device family";
}
return ret;
}
glslang::TShader shader(stages[p_stage]);
CharString cs = p_source_code.ascii();
const char *cs_strings = cs.get_data();
shader.setStrings(&cs_strings, 1);
shader.setEnvInput(glslang::EShSourceGlsl, stages[p_stage], glslang::EShClientVulkan, ClientInputSemanticsVersion);
shader.setEnvClient(glslang::EShClientVulkan, VulkanClientVersion);
shader.setEnvClient(glslang::EShClientVulkan, ClientVersion);
shader.setEnvTarget(glslang::EShTargetSpv, TargetVersion);
EShMessages messages = (EShMessages)(EShMsgSpvRules | EShMsgVulkanRules);