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lovr
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Pass:cube; Pass:box;

This commit is contained in:
bjorn 2022-06-04 11:28:35 -07:00
parent 3013567e73
commit d3a1a0ec22
3 changed files with 73 additions and 0 deletions
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18
src/api/l_graphics_pass.c
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@ -426,6 +426,22 @@ static int l_lovrPassPlane(lua_State* L) {
return 0;
}
static int l_lovrPassCube(lua_State* L) {
Pass* pass = luax_checktype(L, 1, Pass);
float transform[16];
luax_readmat4(L, 2, transform, 1);
lovrPassBox(pass, transform);
return 0;
}
static int l_lovrPassBox(lua_State* L) {
Pass* pass = luax_checktype(L, 1, Pass);
float transform[16];
luax_readmat4(L, 2, transform, 3);
lovrPassBox(pass, transform);
return 0;
}
static int l_lovrPassClear(lua_State* L) {
Pass* pass = luax_checktype(L, 1, Pass);
@ -604,6 +620,8 @@ const luaL_Reg lovrPass[] = {
{ "points", l_lovrPassPoints },
{ "line", l_lovrPassLine },
{ "plane", l_lovrPassPlane },
{ "cube", l_lovrPassCube },
{ "box", l_lovrPassBox },
{ "clear", l_lovrPassClear },
{ "copy", l_lovrPassCopy },

54
src/modules/graphics/graphics.c
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@ -2082,6 +2082,60 @@ void lovrPassPlane(Pass* pass, float* transform, uint32_t cols, uint32_t rows) {
}
}
void lovrPassBox(Pass* pass, float* transform) {
ShapeVertex* vertices;
uint16_t* indices;
ShapeVertex vertexData[] = {
{ { -.5f, -.5f, -.5f }, { 0.f, 0.f, -1.f }, { 0.f, 0.f } }, // Front
{ { -.5f, .5f, -.5f }, { 0.f, 0.f, -1.f }, { 0.f, 1.f } },
{ { .5f, -.5f, -.5f }, { 0.f, 0.f, -1.f }, { 1.f, 0.f } },
{ { .5f, .5f, -.5f }, { 0.f, 0.f, -1.f }, { 1.f, 1.f } },
{ { .5f, .5f, -.5f }, { 1.f, 0.f, 0.f }, { 0.f, 1.f } }, // Right
{ { .5f, .5f, .5f }, { 1.f, 0.f, 0.f }, { 1.f, 1.f } },
{ { .5f, -.5f, -.5f }, { 1.f, 0.f, 0.f }, { 0.f, 0.f } },
{ { .5f, -.5f, .5f }, { 1.f, 0.f, 0.f }, { 1.f, 0.f } },
{ { .5f, -.5f, .5f }, { 0.f, 0.f, 1.f }, { 0.f, 0.f } }, // Back
{ { .5f, .5f, .5f }, { 0.f, 0.f, 1.f }, { 0.f, 1.f } },
{ { -.5f, -.5f, .5f }, { 0.f, 0.f, 1.f }, { 1.f, 0.f } },
{ { -.5f, .5f, .5f }, { 0.f, 0.f, 1.f }, { 1.f, 1.f } },
{ { -.5f, .5f, .5f }, { -1.f, 0.f, 0.f }, { 0.f, 1.f } }, // Left
{ { -.5f, .5f, -.5f }, { -1.f, 0.f, 0.f }, { 1.f, 1.f } },
{ { -.5f, -.5f, .5f }, { -1.f, 0.f, 0.f }, { 0.f, 0.f } },
{ { -.5f, -.5f, -.5f }, { -1.f, 0.f, 0.f }, { 1.f, 0.f } },
{ { -.5f, -.5f, -.5f }, { 0.f, -1.f, 0.f }, { 0.f, 0.f } }, // Bottom
{ { .5f, -.5f, -.5f }, { 0.f, -1.f, 0.f }, { 1.f, 0.f } },
{ { -.5f, -.5f, .5f }, { 0.f, -1.f, 0.f }, { 0.f, 1.f } },
{ { .5f, -.5f, .5f }, { 0.f, -1.f, 0.f }, { 1.f, 1.f } },
{ { -.5f, .5f, -.5f }, { 0.f, 1.f, 0.f }, { 0.f, 1.f } }, // Top
{ { -.5f, .5f, .5f }, { 0.f, 1.f, 0.f }, { 0.f, 0.f } },
{ { .5f, .5f, -.5f }, { 0.f, 1.f, 0.f }, { 1.f, 1.f } },
{ { .5f, .5f, .5f }, { 0.f, 1.f, 0.f }, { 1.f, 0.f } }
};
uint16_t indexData[] = {
0, 1, 2, 2, 1, 3,
4, 5, 6, 6, 5, 7,
8, 9, 10, 10, 9, 11,
12, 13, 14, 14, 13, 15,
16, 17, 18, 18, 17, 19,
20, 21, 22, 22, 21, 23
};
lovrPassDraw(pass, &(Draw) {
.mode = GPU_DRAW_TRIANGLES,
.transform = transform,
.vertex.format = VERTEX_SHAPE,
.vertex.pointer = (void**) &vertices,
.vertex.count = COUNTOF(vertexData),
.index.pointer = (void**) &indices,
.index.count = COUNTOF(indexData)
});
memcpy(vertices, vertexData, sizeof(vertexData));
memcpy(indices, indexData, sizeof(indexData));
}
void lovrPassClearBuffer(Pass* pass, Buffer* buffer, uint32_t offset, uint32_t extent) {
if (extent == 0) return;
if (extent == ~0u) extent = buffer->size - offset;

1
src/modules/graphics/graphics.h
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@ -391,6 +391,7 @@ void lovrPassSendSampler(Pass* pass, const char* name, size_t length, uint32_t s
void lovrPassPoints(Pass* pass, uint32_t count, float** vertices);
void lovrPassLine(Pass* pass, uint32_t count, float** vertices);
void lovrPassPlane(Pass* pass, float* transform, uint32_t cols, uint32_t rows);
void lovrPassBox(Pass* pass, float* transform);
void lovrPassClearBuffer(Pass* pass, Buffer* buffer, uint32_t offset, uint32_t extent);
void lovrPassClearTexture(Pass* pass, Texture* texture, float value[4], uint32_t layer, uint32_t layerCount, uint32_t level, uint32_t levelCount);
void lovrPassCopyDataToBuffer(Pass* pass, void* data, Buffer* buffer, uint32_t offset, uint32_t size);