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Fix glDrawElements

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This commit is contained in:
Luke Benstead 2020-05-06 15:23:37 +01:00
parent 177ad28219
commit b3ded78897
1 changed files with 25 additions and 11 deletions
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36
GL/draw.c
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@ -745,25 +745,39 @@ static void generateElements(
uint32_t i = first;
uint32_t idx = 0;
ReadPositionFunc pos_func = calcReadPositionFunc();
ReadUVFunc uv_func = calcReadUVFunc();
ReadUVFunc st_func = calcReadSTFunc();
ReadDiffuseFunc diffuse_func = calcReadDiffuseFunc();
ReadNormalFunc normal_func = calcReadNormalFunc();
const ReadPositionFunc pos_func = calcReadPositionFunc();
const ReadUVFunc uv_func = calcReadUVFunc();
const ReadUVFunc st_func = calcReadSTFunc();
const ReadDiffuseFunc diffuse_func = calcReadDiffuseFunc();
const ReadNormalFunc normal_func = calcReadNormalFunc();
const GLuint vstride = (VERTEX_POINTER.stride) ?
VERTEX_POINTER.stride : VERTEX_POINTER.size * byte_size(VERTEX_POINTER.type);
const GLuint uvstride = (UV_POINTER.stride) ?
UV_POINTER.stride : UV_POINTER.size * byte_size(UV_POINTER.type);
const GLuint ststride = (ST_POINTER.stride) ?
ST_POINTER.stride : ST_POINTER.size * byte_size(ST_POINTER.type);
const GLuint dstride = (DIFFUSE_POINTER.stride) ?
DIFFUSE_POINTER.stride : DIFFUSE_POINTER.size * byte_size(DIFFUSE_POINTER.type);
const GLuint nstride = (NORMAL_POINTER.stride) ?
NORMAL_POINTER.stride : NORMAL_POINTER.size * byte_size(NORMAL_POINTER.type);
for(; i < first + count; ++i) {
idx = IndexFunc(indices + (i * istride));
xyz = (GLubyte*) VERTEX_POINTER.ptr + (idx * VERTEX_POINTER.stride);
uv = (GLubyte*) UV_POINTER.ptr + (idx * UV_POINTER.stride);
bgra = (GLubyte*) DIFFUSE_POINTER.ptr + (idx * DIFFUSE_POINTER.stride);
st = (GLubyte*) ST_POINTER.ptr + (idx * ST_POINTER.stride);
nxyz = (GLubyte*) NORMAL_POINTER.ptr + (idx * NORMAL_POINTER.stride);
xyz = (GLubyte*) VERTEX_POINTER.ptr + (idx * vstride);
uv = (GLubyte*) UV_POINTER.ptr + (idx * uvstride);
bgra = (GLubyte*) DIFFUSE_POINTER.ptr + (idx * dstride);
st = (GLubyte*) ST_POINTER.ptr + (idx * ststride);
nxyz = (GLubyte*) NORMAL_POINTER.ptr + (idx * nstride);
pos_func(xyz, (GLubyte*) output->xyz);
uv_func(uv, (GLubyte*) output->uv);
diffuse_func(bgra, output->bgra);
st_func(st, (GLubyte*) ve->st);
normal_func(nxyz, (GLubyte*) ve->nxyz);