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-rw-r--r--src/Makefile.am2
-rw-r--r--src/game.c41
-rw-r--r--src/shader.frag32
-rw-r--r--src/shader.vert5
-rw-r--r--src/state.h12
-rw-r--r--src/vkutil.h2
6 files changed, 74 insertions, 20 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 7ef364b..bf53524 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -21,6 +21,6 @@ AM_CFLAGS = -march=native -fno-math-errno -funroll-loops -flto -pthread -ggdb -D
AM_CXXFLAGS = -Wall -Wextra -O2 -g -std=c++17
game_SOURCES = game.c cplusplus.cpp $(common_sources)
-game_LDADD = -lSDL2 -lm -lSDL2_image -lvulkan -lshaderc_shared -lstdc++
+game_LDADD = -lSDL2 -lm -lvulkan -lshaderc_shared -lstdc++
cplusplus.$(OBJEXT) : CXXFLAGS += -Wno-nullability-completeness -Wno-unused-function -Wno-missing-field-initializers -Wno-unused-parameter -Wno-unused-variable
diff --git a/src/game.c b/src/game.c
index f469122..32fe268 100644
--- a/src/game.c
+++ b/src/game.c
@@ -1,4 +1,3 @@
-#include <limits.h>
#include <stdbool.h>
#include <stdlib.h>
#include <time.h>
@@ -8,7 +7,6 @@
#define SDL_MAIN_HANDLED
#define VK_USE_PLATFORM_XCB_KHR
#include <SDL2/SDL.h>
-#include <SDL2/SDL_image.h>
#include <SDL2/SDL_vulkan.h>
#include <vulkan/vulkan.h>
@@ -23,9 +21,6 @@
#include "state.h"
// embedded clgm library
-#define CGLM_FORCE_DEPTH_ZERO_TO_ONE
-#include "../lib/cglm/include/cglm/cglm.h"
-
uint32_t currentFrame = 0;
state_t s;
@@ -727,11 +722,21 @@ vulkan_create_graphics_pipeline()
shaderc_compilation_result_t vert_result = load_compile_shader_data("src/shader.vert", shaderc_vertex_shader);
if (!vert_result) {
vk_log(VK_ERROR, "Can't load vertex shader\n");
+ if (s.prev_vert_result) {
+ vert_result = s.prev_vert_result;
+ }
}
+ if (s.prev_vert_result && vert_result != s.prev_vert_result) shaderc_result_release(s.prev_vert_result);
+ s.prev_vert_result = vert_result;
shaderc_compilation_result_t frag_result = load_compile_shader_data("src/shader.frag", shaderc_fragment_shader);
if (!frag_result) {
vk_log(VK_ERROR, "Can't load fragment shader\n");
+ if (s.prev_frag_result) {
+ frag_result = s.prev_frag_result;
+ }
}
+ if (s.prev_frag_result && frag_result != s.prev_frag_result) shaderc_result_release(s.prev_frag_result);
+ s.prev_frag_result = frag_result;
const char * vert_data = shaderc_result_get_bytes(vert_result);
long vert_size = shaderc_result_get_length(vert_result);
@@ -857,7 +862,7 @@ vulkan_create_graphics_pipeline()
VkPipelineColorBlendStateCreateInfo colorBlending = {0};
colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
- colorBlending.logicOpEnable = VK_FALSE;
+ colorBlending.logicOpEnable = VK_TRUE;
colorBlending.logicOp = VK_LOGIC_OP_COPY; // Optional
colorBlending.attachmentCount = 1;
colorBlending.pAttachments = &colorBlendAttachment;
@@ -900,8 +905,12 @@ vulkan_create_graphics_pipeline()
vk_log(VK_ERROR, "failed to create graphics pipeline!\n");
}
- shaderc_result_release(vert_result);
- shaderc_result_release(frag_result);
+ if (s.prev_vert_result != vert_result) {
+ shaderc_result_release(vert_result);
+ }
+ if (s.prev_frag_result != frag_result) {
+ shaderc_result_release(frag_result);
+ }
vkDestroyShaderModule(s.vk_device, fragShaderModule, NULL);
vkDestroyShaderModule(s.vk_device, vertShaderModule, NULL);
@@ -1233,7 +1242,8 @@ vulkan_create_descriptor_set_layout()
uboLayoutBinding.binding = 0;
uboLayoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
uboLayoutBinding.descriptorCount = 1;
- uboLayoutBinding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
+ uboLayoutBinding.stageFlags = VK_SHADER_STAGE_ALL;
+ //uboLayoutBinding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
uboLayoutBinding.pImmutableSamplers = NULL; // optional
VkDescriptorSetLayoutCreateInfo layoutInfo = {0};
@@ -1479,6 +1489,13 @@ close_vulkan()
/* DestroyDebugUtilsMessengerEXT(s.vk_instance, s.vk_debug_messenger, NULL); */
/* } */
vkDestroyInstance(s.vk_instance, NULL);
+
+ if (s.prev_vert_result) {
+ shaderc_result_release(s.prev_vert_result);
+ }
+ if (s.prev_frag_result) {
+ shaderc_result_release(s.prev_frag_result);
+ }
}
float
@@ -1504,6 +1521,10 @@ updateUniformBuffer(uint32_t currentImage)
float time = current_time();
UniformBufferObject ubo = {0};
+
+ ubo.resolution[0] = s.vk_swap_chain_extent.width;
+ ubo.resolution[1] = s.vk_swap_chain_extent.height;
+
glm_mat4_identity(ubo.model);
if (s.rotate)
@@ -1627,7 +1648,7 @@ main(int argc, char* args[])
while (!quit) {
handle_input(&quit);
draw_frame();
- //SDL_Delay(16);
+ SDL_Delay(16);
}
close_vulkan();
diff --git a/src/shader.frag b/src/shader.frag
index cad317c..4702e65 100644
--- a/src/shader.frag
+++ b/src/shader.frag
@@ -5,8 +5,30 @@ layout(location = 1) in vec2 fragPos;
layout(location = 0) out vec4 outColor;
+layout(binding = 0) uniform UniformBufferObject {
+ mat4 model;
+ mat4 view;
+ mat4 proj;
+ vec2 resolution;
+} ubo;
+
+// vec4 ubo_proj(vec2 v) {
+// return ubo.proj * ubo.view * ubo.model * vec4(v, 0.0, 1.0);
+// }
+
// void main() {
-// outColor = vec4(fragColor, 1.0);
+// // float x = gl_FragCoord.x / ubo.resolution.x;
+// // float y = gl_FragCoord.y / ubo.resolution.y;
+// float x = ubo_proj(vec2(gl_FragCoord.x, gl_FragCoord.y)).x / ubo.resolution.x;
+// float y = ubo_proj(vec2(gl_FragCoord.x, gl_FragCoord.y)).y / ubo.resolution.y;
+// //bool colored = mod(gl_FragCoord.x, 10) > 9 || mod(gl_FragCoord.y, 10) > 9;
+// bool colored = mod(x,0.1) > 0.09 || mod(y, 0.1) > 0.09;
+// if (colored) {
+// outColor = vec4(gl_FragCoord.x / ubo.resolution.x, gl_FragCoord.y / ubo.resolution.y, 1.0, 1.0);
+// } else {
+// outColor = vec4(0,0,0, 1.0);
+// }
+// //outColor = vec4(fragColor, 1.0);
// }
vec3 mandel(vec2 z0) {
float k = 0.0;
@@ -20,13 +42,13 @@ vec3 mandel(vec2 z0) {
return sin(mu*0.1 + vec3(0.0,0.5,1.0));
}
void main() {
- float ar = fragPos.x / fragPos.y;
- vec2 uv = gl_FragCoord.xy / fragPos.yy - vec2(0.66 * ar, 0.5);
- //uv = uv * 2.0 + vec2(-0.3, 1.0);
+ float ar = ubo.resolution.x / ubo.resolution.y;
+ vec2 uv = gl_FragCoord.xy / ubo.resolution.yy - vec2(0.66 * ar, 0.5);
+ // uv = uv * 2.0 + vec2(-0.3, 0.0);
float p = 30.0;
float t = mod(13.0, p);
if (t > p/2.0) t = p - t;
- float scale = 0.5 + pow(4.0, t);
+ float scale = 0.5 + pow(2.0, t);
vec2 offset = vec2(-1.36799, .01);
uv += offset*scale;
uv /= scale;
diff --git a/src/shader.vert b/src/shader.vert
index 76de53c..f3355d1 100644
--- a/src/shader.vert
+++ b/src/shader.vert
@@ -4,6 +4,7 @@ layout(binding = 0) uniform UniformBufferObject {
mat4 model;
mat4 view;
mat4 proj;
+ vec2 resolution;
} ubo;
layout(location = 0) in vec2 inPosition;
@@ -13,8 +14,8 @@ layout(location = 0) out vec3 fragColor;
layout(location = 1) out vec2 fragPos;
void main() {
- gl_Position = ubo.proj * ubo.view * ubo.model * vec4(inPosition, 0.0, 1.0);
- //gl_Position = vec4(inPosition * 1.5, 1.0, 1.0);
+ //gl_Position = ubo.proj * ubo.view * ubo.model * vec4(inPosition * 2, 0.0, 1.0);
+ gl_Position = vec4(inPosition * 2, 0.0, 1.0);
fragColor = inColor;
fragPos = inPosition;
}
diff --git a/src/state.h b/src/state.h
index 3890694..17be1c0 100644
--- a/src/state.h
+++ b/src/state.h
@@ -1,7 +1,10 @@
#include <SDL2/SDL.h>
+#include <vulkan/vulkan.h>
+#include <shaderc/shaderc.h>
+
+#define CGLM_FORCE_DEPTH_ZERO_TO_ONE
#include "../lib/cglm/include/cglm/cglm.h"
-#include <vulkan/vulkan.h>
#pragma once
@@ -22,6 +25,7 @@ typedef struct {
mat4 model;
mat4 view;
mat4 proj;
+ vec2 resolution;
} UniformBufferObject;
typedef struct {
@@ -98,6 +102,9 @@ typedef struct state {
VkDeviceMemory vk_index_buffer_memory;
VkDescriptorPool vk_descriptor_pool;
+
+ shaderc_compilation_result_t prev_vert_result;
+ shaderc_compilation_result_t prev_frag_result;
} state_t ;
static void
@@ -144,4 +151,7 @@ init_state(state_t * s)
s->vk_physical_device = VK_NULL_HANDLE;
s->vk_swap_chain_framebuffers_count = 0;
+
+ s->prev_vert_result = NULL;
+ s->prev_frag_result = NULL;
}
diff --git a/src/vkutil.h b/src/vkutil.h
index 9188a07..123b97a 100644
--- a/src/vkutil.h
+++ b/src/vkutil.h
@@ -29,7 +29,7 @@ typedef enum {
VK_ERROR,
} log_type;
-void
+static inline void
vk_log(log_type t, const char * f, ...)
{
#ifdef VKDEBUG
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 21:23:26 +0000