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Get a matrix in there

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This commit is contained in:
Ben Visness
2020-04-25 11:25:54 -05:00
parent cee57ba573
commit 066df8dc02
1 changed files with 29 additions and 9 deletions
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38
example/src/main.c
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@@ -5,6 +5,12 @@
#define SOKOL_GLCORE33
#include "sokol_gfx.h"
#include "../../HandmadeMath.h"
typedef struct {
hmm_mat4 mvp;
} uniforms_t;
int main() {
/* create window and GL context via GLFW */
glfwInit();
@@ -34,15 +40,24 @@ int main() {
/* a shader */
sg_shader shd = sg_make_shader(&(sg_shader_desc){
.vs.source =
"#version 330\n"
"layout(location=0) in vec4 position;\n"
"layout(location=1) in vec4 color0;\n"
"out vec4 color;\n"
"void main() {\n"
" gl_Position = position;\n"
" color = color0;\n"
"}\n",
.vs = {
.source =
"#version 330\n"
"layout(location=0) in vec4 position;\n"
"layout(location=1) in vec4 color0;\n"
"out vec4 color;\n"
"uniform mat4 mvp;"
"void main() {\n"
" gl_Position = mvp * position;\n"
" color = color0;\n"
"}\n",
.uniform_blocks[0] = {
.size = sizeof(uniforms_t),
.uniforms = {
[0] = { .name="mvp", .type=SG_UNIFORMTYPE_MAT4 }
}
}
},
.fs.source =
"#version 330\n"
"in vec4 color;\n"
@@ -73,11 +88,16 @@ int main() {
/* draw loop */
while (!glfwWindowShouldClose(w)) {
uniforms_t uniforms = {
.mvp = HMM_Scale(HMM_Vec3(0.5f, 0.5f, 0.5f))
};
int cur_width, cur_height;
glfwGetFramebufferSize(w, &cur_width, &cur_height);
sg_begin_default_pass(&pass_action, cur_width, cur_height);
sg_apply_pipeline(pip);
sg_apply_bindings(&binds);
sg_apply_uniforms(SG_SHADERSTAGE_VS, 0, &uniforms, sizeof(uniforms));
sg_draw(0, 3, 1);
sg_end_pass();
sg_commit();