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vulkan-minimal: Links against a Vulkan loader (libvulkan.so) instead

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Previously, the Intel Vulkan driver was used directly.
This commit is contained in:
Eduardo Lima Mitev 2016-11-10 10:35:58 +01:00
parent 821e8f432c
commit be8660abc4
2 changed files with 14 additions and 10 deletions
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10
vulkan-minimal/Makefile
View File

@ -2,10 +2,7 @@ TARGET=vulkan-minimal
GLSL_VALIDATOR=../glslangValidator
VULKAN_SO_NAME=vulkan_intel
VULKAN_SO_PATH=~/devel/build/lib
all: Makefile $(TARGET) vert.spv frag.spv
all: $(TARGET) vert.spv frag.spv
vert.spv: shader.vert
$(GLSL_VALIDATOR) -V shader.vert
@ -13,12 +10,11 @@ vert.spv: shader.vert
frag.spv: shader.frag
$(GLSL_VALIDATOR) -V shader.frag
$(TARGET): main.c vert.spv frag.spv
$(TARGET): Makefile main.c vert.spv frag.spv
gcc -ggdb -O0 -Wall -std=c99 \
-DCURRENT_DIR=\"`pwd`\" \
`pkg-config --libs --cflags xcb` \
-L $(VULKAN_SO_PATH) \
-l$(VULKAN_SO_NAME) \
-lvulkan \
-o $(TARGET) \
main.c

12
vulkan-minimal/main.c
View File

@ -36,12 +36,15 @@
#define WIDTH 640
#define HEIGHT 480
/* This is only necessary if program is linked to a Vulkan vendor driver\
* directly
*/
PFN_vkVoidFunction vk_icdGetInstanceProcAddr (VkInstance instance,
const char* pName);
#define GET_ICD_PROC_ADDR(api, symbol) \
api.symbol = (PFN_vk ##symbol) vk_icdGetInstanceProcAddr(NULL, "vk" #symbol);
#define GET_PROC_ADDR(api, symbol) \
api.symbol = (PFN_vk ##symbol) api.GetInstanceProcAddr(NULL, "vk" #symbol);
@ -187,7 +190,12 @@ main (int32_t argc, char* argv[])
/* ======================================================================= */
/* load inital API entry points */
GET_ICD_PROC_ADDR (vk, GetInstanceProcAddr);
/* if program is linked against a Vulkan loader */
vk.GetInstanceProcAddr = vkGetInstanceProcAddr;
/* otherwise, */
/* GET_ICD_PROC_ADDR (vk, GetInstanceProcAddr); */
GET_PROC_ADDR (vk, EnumerateInstanceLayerProperties);
GET_PROC_ADDR (vk, EnumerateInstanceExtensionProperties);
GET_PROC_ADDR (vk, CreateInstance);