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[Fix] (multidraw: compute): restore original program

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This commit is contained in:
Swung0x48 2025-04-21 12:25:45 +08:00
parent 8145ed3308
commit 8ef12ff1ac
2 changed files with 6 additions and 23 deletions
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13
src/main/cpp/gl/multidraw.cpp
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@ -267,17 +267,8 @@ void main() {
if (outIdx >= prefixSums[prefixSums.length() - 1])
return;
// bisect to find out draw call #
// Find out draw call #
int low = 0;
// int high = draws.length() - 1;
// while (low < high) {
// int mid = (low + high + 1) / 2;
// if (prefixSums[mid] <= outIdx) {
// low = mid;
// } else {
// high = mid - 1;
// }
// }
int l = draws.length() - 1;
for (low = 0; low < l; ++low) {
if (prefixSums[low] > outIdx) {
@ -433,6 +424,8 @@ GLAPI GLAPIENTRY void mg_glMultiDrawElementsBaseVertex_compute(
// Bind index buffer and do draw
LOG_D("draw")
GLES.glUseProgram(prev_program);
CHECK_GL_ERROR_NO_INIT
GLES.glBindBuffer(GL_VERTEX_ARRAY, prev_vb);
CHECK_GL_ERROR_NO_INIT
GLES.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_outputibo);

16
src/main/cpp/shaders/multidraw_compute.comp
View File

@ -18,20 +18,10 @@ layout(std430, binding = 3) writeonly buffer Output { uint out_indices[]; };
void main() {
uint outIdx = gl_GlobalInvocationID.x;
if (outIdx >= prefixSums[prefixSums.length() - 1])
return;
return;
// bisect to find out draw call #
// Find out draw call #
int low = 0;
// int high = draws.length() - 1;
// while (low < high) {
// int mid = (low + )
// int mid = (low + high + 1) / 2;
// if (prefixSums[mid] <= outIdx) {
// low = mid;
// } else {
// high = mid - 1;
// }
// }
int l = draws.length() - 1;
for (low = 0; low < l; ++low) {
if (prefixSums[low] > outIdx) {
@ -41,7 +31,7 @@ void main() {
// figure out which index to take
DrawCommand cmd = draws[low];
uint localIdx = outIdx - prefixSums[low];
uint localIdx = outIdx - ((low == 0) ? 0u : (prefixSums[low - 1]));
uint inIndex = localIdx + cmd.firstIndex;
// Write out