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k3Batch border radius

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mid 2025-05-10 18:20:47 +03:00
parent 26e44eb4bc
commit 0b0496d766
3 changed files with 97 additions and 57 deletions
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5
src/k3.h
View File

@ -6,8 +6,13 @@
#include<cglm/mat4.h>
#include<cglm/quat.h>
#ifdef k3_MULTITHREAD
#include<pthread.h>
#endif
void k3Init();
void k3Resize(uint16_t width, uint16_t height);
void k3Update();
enum k3TexType {
k3_DIFFUSE, k3_NORMAL, k3_DISPLACEMENT, k3_EMISSION, k3_ROUGHNESS, k3_ALPHA,

145
src/k3batch.c
View File

@ -12,6 +12,8 @@ struct S {
};
static struct k3Tex *activeTex;
static float activeBorderRadius;
static size_t SCount, SCapacity;
static struct S *S;
@ -25,21 +27,33 @@ void k3BatchInit() {
"in vec2 a_pos;\n"
"in vec2 a_uv;\n"
"in vec4 a_color;\n"
"in vec2 a_size;\n"
"out vec2 v_uv;\n"
"out vec4 v_color;\n"
"out vec2 v_size;\n"
"void main() {\n"
" v_uv = a_uv;\n"
" v_color = a_color;\n"
" v_size = a_size;\n"
" gl_Position = vec4(vec2(a_pos.x / 3600.0, a_pos.y / 2025.0) * 2.0 - 1.0, 0.0, 1.0);\n"
"}\n"
, NULL), k3ShaderGLSLF(
"#version 330\n"
"uniform sampler2D u_tex;\n"
"uniform float u_texuse;\n"
"uniform float u_borderradius;\n"
"in vec2 v_uv;\n"
"in vec4 v_color;\n"
"in vec2 v_size;\n"
"out vec4 fragcolor;\n"
"void main() {\n"
" vec2 sz = v_size / 2.0;\n"
" vec2 c = abs(v_uv * 2.0 - 1.0);\n"
" c = c * (sz + u_borderradius);\n"
" c = max(c - sz, 0.0);\n"
" if(length(c) > u_borderradius) {\n"
" discard;\n"
" }\n"
" fragcolor = mix(vec4(1, 1, 1, 1), texture2D(u_tex, v_uv), u_texuse) * v_color;\n"
"}\n"
, NULL), NULL);
@ -48,10 +62,11 @@ void k3BatchInit() {
}
}
void k3BatchAdd(struct k3Tex *tex, struct k3RectF src, struct k3RectF dst, float rot, vec4 color) {
if(activeTex != tex) {
void k3BatchAdd(struct k3Tex *tex, struct k3RectF src, struct k3RectF dst, float rot, vec4 color, float borderRadius) {
if(activeTex != tex || borderRadius != activeBorderRadius) {
k3BatchFlush();
activeTex = tex;
activeBorderRadius = borderRadius;
}
if(SCount == SCapacity) {
@ -73,6 +88,8 @@ void k3BatchAdd(struct k3Tex *tex, struct k3RectF src, struct k3RectF dst, float
}
void k3BatchFlush() {
if(!S) return;
if(!k3IsCore) {
glDisable(GL_NORMALIZE);
@ -108,89 +125,107 @@ void k3BatchFlush() {
if(k3IsCore) {
glUseProgram((GLuint) coreProg);
float *farr = alloca(SCount * 48 * sizeof(*farr));
float *farr = alloca(SCount * 60 * sizeof(*farr));
struct S *s = S;
for(size_t i = 0; i < SCount; i++) {
farr[i * 48 + 0] = s->dst.x;
farr[i * 48 + 1] = s->dst.y;
farr[i * 48 + 2] = s->src.x;
farr[i * 48 + 3] = s->src.y + s->src.h;
farr[i * 48 + 4] = s->color[0];
farr[i * 48 + 5] = s->color[1];
farr[i * 48 + 6] = s->color[2];
farr[i * 48 + 7] = s->color[3];
farr[i * 60 + 0] = s->dst.x;
farr[i * 60 + 1] = s->dst.y;
farr[i * 60 + 2] = s->src.x;
farr[i * 60 + 3] = s->src.y + s->src.h;
farr[i * 60 + 4] = s->color[0];
farr[i * 60 + 5] = s->color[1];
farr[i * 60 + 6] = s->color[2];
farr[i * 60 + 7] = s->color[3];
farr[i * 60 + 8] = s->dst.w;
farr[i * 60 + 9] = s->dst.h;
farr[i * 48 + 8] = s->dst.x + s->dst.w;
farr[i * 48 + 9] = s->dst.y;
farr[i * 48 + 10] = s->src.x + s->src.w;
farr[i * 48 + 11] = s->src.y + s->src.h;
farr[i * 48 + 12] = s->color[0];
farr[i * 48 + 13] = s->color[1];
farr[i * 48 + 14] = s->color[2];
farr[i * 48 + 15] = s->color[3];
farr[i * 60 + 10] = s->dst.x + s->dst.w;
farr[i * 60 + 11] = s->dst.y;
farr[i * 60 + 12] = s->src.x + s->src.w;
farr[i * 60 + 13] = s->src.y + s->src.h;
farr[i * 60 + 14] = s->color[0];
farr[i * 60 + 15] = s->color[1];
farr[i * 60 + 16] = s->color[2];
farr[i * 60 + 17] = s->color[3];
farr[i * 60 + 18] = s->dst.w;
farr[i * 60 + 19] = s->dst.h;
farr[i * 48 + 16] = s->dst.x + s->dst.w;
farr[i * 48 + 17] = s->dst.y + s->dst.h;
farr[i * 48 + 18] = s->src.x + s->src.w;
farr[i * 48 + 19] = s->src.y;
farr[i * 48 + 20] = s->color[0];
farr[i * 48 + 21] = s->color[1];
farr[i * 48 + 22] = s->color[2];
farr[i * 48 + 23] = s->color[3];
farr[i * 60 + 20] = s->dst.x + s->dst.w;
farr[i * 60 + 21] = s->dst.y + s->dst.h;
farr[i * 60 + 22] = s->src.x + s->src.w;
farr[i * 60 + 23] = s->src.y;
farr[i * 60 + 24] = s->color[0];
farr[i * 60 + 25] = s->color[1];
farr[i * 60 + 26] = s->color[2];
farr[i * 60 + 27] = s->color[3];
farr[i * 60 + 28] = s->dst.w;
farr[i * 60 + 29] = s->dst.h;
farr[i * 48 + 24] = s->dst.x;
farr[i * 48 + 25] = s->dst.y;
farr[i * 48 + 26] = s->src.x;
farr[i * 48 + 27] = s->src.y + s->src.h;
farr[i * 48 + 28] = s->color[0];
farr[i * 48 + 29] = s->color[1];
farr[i * 48 + 30] = s->color[2];
farr[i * 48 + 31] = s->color[3];
farr[i * 60 + 30] = s->dst.x;
farr[i * 60 + 31] = s->dst.y;
farr[i * 60 + 32] = s->src.x;
farr[i * 60 + 33] = s->src.y + s->src.h;
farr[i * 60 + 34] = s->color[0];
farr[i * 60 + 35] = s->color[1];
farr[i * 60 + 36] = s->color[2];
farr[i * 60 + 37] = s->color[3];
farr[i * 60 + 38] = s->dst.w;
farr[i * 60 + 39] = s->dst.h;
farr[i * 48 + 32] = s->dst.x + s->dst.w;
farr[i * 48 + 33] = s->dst.y + s->dst.h;
farr[i * 48 + 34] = s->src.x + s->src.w;
farr[i * 48 + 35] = s->src.y;
farr[i * 48 + 36] = s->color[0];
farr[i * 48 + 37] = s->color[1];
farr[i * 48 + 38] = s->color[2];
farr[i * 48 + 39] = s->color[3];
farr[i * 60 + 40] = s->dst.x + s->dst.w;
farr[i * 60 + 41] = s->dst.y + s->dst.h;
farr[i * 60 + 42] = s->src.x + s->src.w;
farr[i * 60 + 43] = s->src.y;
farr[i * 60 + 44] = s->color[0];
farr[i * 60 + 45] = s->color[1];
farr[i * 60 + 46] = s->color[2];
farr[i * 60 + 47] = s->color[3];
farr[i * 60 + 48] = s->dst.w;
farr[i * 60 + 49] = s->dst.h;
farr[i * 48 + 40] = s->dst.x;
farr[i * 48 + 41] = s->dst.y + s->dst.h;
farr[i * 48 + 42] = s->src.x;
farr[i * 48 + 43] = s->src.y;
farr[i * 48 + 44] = s->color[0];
farr[i * 48 + 45] = s->color[1];
farr[i * 48 + 46] = s->color[2];
farr[i * 48 + 47] = s->color[3];
farr[i * 60 + 50] = s->dst.x;
farr[i * 60 + 51] = s->dst.y + s->dst.h;
farr[i * 60 + 52] = s->src.x;
farr[i * 60 + 53] = s->src.y;
farr[i * 60 + 54] = s->color[0];
farr[i * 60 + 55] = s->color[1];
farr[i * 60 + 56] = s->color[2];
farr[i * 60 + 57] = s->color[3];
farr[i * 60 + 58] = s->dst.w;
farr[i * 60 + 59] = s->dst.h;
s++;
}
glBindBufferARB(GL_ARRAY_BUFFER_ARB, coreVBO);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, SCount * 48 * sizeof(*farr), farr, GL_DYNAMIC_DRAW);
glBufferDataARB(GL_ARRAY_BUFFER_ARB, SCount * 60 * sizeof(*farr), farr, GL_DYNAMIC_DRAW);
glUniform1f(glGetUniformLocation((GLuint) coreProg, "u_texuse"), !!activeTex);
glUniform1f(glGetUniformLocation((GLuint) coreProg, "u_borderradius"), activeBorderRadius);
GLint aPos = glGetAttribLocation((GLuint) coreProg, "a_pos");
GLint aUv = glGetAttribLocation((GLuint) coreProg, "a_uv");
GLint aColor = glGetAttribLocation((GLuint) coreProg, "a_color");
GLint aSize = glGetAttribLocation((GLuint) coreProg, "a_size");
glEnableVertexAttribArray(aPos);
glEnableVertexAttribArray(aUv);
glEnableVertexAttribArray(aColor);
glEnableVertexAttribArray(aSize);
glVertexAttribPointer(aPos, 2, GL_FLOAT, GL_FALSE, 32, (void*) 0);
glVertexAttribPointer(aUv, 2, GL_FLOAT, GL_FALSE, 32, (void*) 8);
glVertexAttribPointer(aColor, 4, GL_FLOAT, GL_FALSE, 32, (void*) 16);
glVertexAttribPointer(aPos, 2, GL_FLOAT, GL_FALSE, 40, (void*) 0);
glVertexAttribPointer(aUv, 2, GL_FLOAT, GL_FALSE, 40, (void*) 8);
glVertexAttribPointer(aColor, 4, GL_FLOAT, GL_FALSE, 40, (void*) 16);
glVertexAttribPointer(aSize, 2, GL_FLOAT, GL_FALSE, 40, (void*) 32);
glDrawArrays(GL_TRIANGLES, 0, SCount * 6);
glDisableVertexAttribArray(aPos);
glDisableVertexAttribArray(aUv);
glDisableVertexAttribArray(aColor);
glDisableVertexAttribArray(aSize);
} else {
if(GLAD_GL_ARB_shading_language_100) {
glUseProgramObjectARB(0);

4
src/k3batch.h
View File

@ -10,5 +10,5 @@ struct k3RectF {
float h;
};
void k3BatchAdd(struct k3Tex *tex, struct k3RectF src, struct k3RectF dst, float rot, vec4 color);
void k3BatchFlush();
void k3BatchAdd(struct k3Tex *tex, struct k3RectF src, struct k3RectF dst, float rot, vec4 color, float borderRadius);
void k3BatchFlush();