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Added some comments on latest change

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Ray 2025-02-25 12:46:06 +01:00
parent 27af359d1c
commit da8a08006a
1 changed files with 6 additions and 2 deletions
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8
src/rlgl.h
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@ -1459,7 +1459,9 @@ void rlBegin(int mode)
// NOTE: In all three cases, vertex are accumulated over default internal vertex buffer // NOTE: In all three cases, vertex are accumulated over default internal vertex buffer
if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode != mode) if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode != mode)
{ {
// Get current binded texture to preserve it between draw modes change (QUADS <--> TRIANGLES)
int currentTexture = RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId; int currentTexture = RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId;
if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount > 0) if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount > 0)
{ {
// Make sure current RLGL.currentBatch->draws[i].vertexCount is aligned a multiple of 4, // Make sure current RLGL.currentBatch->draws[i].vertexCount is aligned a multiple of 4,
@ -1482,14 +1484,16 @@ void rlBegin(int mode)
RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode = mode; RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode = mode;
RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount = 0; RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount = 0;
RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId = currentTexture; RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId = currentTexture; // Preserve active texture
} }
} }
// Finish vertex providing // Finish vertex providing
void rlEnd(void) void rlEnd(void)
{ {
// Reset texture to default
rlSetTexture(RLGL.State.defaultTextureId); rlSetTexture(RLGL.State.defaultTextureId);
// NOTE: Depth increment is dependant on rlOrtho(): z-near and z-far values, // NOTE: Depth increment is dependant on rlOrtho(): z-near and z-far values,
// as well as depth buffer bit-depth (16bit or 24bit or 32bit) // as well as depth buffer bit-depth (16bit or 24bit or 32bit)
// Correct increment formula would be: depthInc = (zfar - znear)/pow(2, bits) // Correct increment formula would be: depthInc = (zfar - znear)/pow(2, bits)
@ -3057,7 +3061,7 @@ void rlDrawRenderBatch(rlRenderBatch *batch)
for (int i = 0, vertexOffset = 0; i < batch->drawCounter; i++) for (int i = 0, vertexOffset = 0; i < batch->drawCounter; i++)
{ {
// Bind current draw call texture, activated as GL_TEXTURE0 and Bound to sampler2D texture0 by default // Bind current draw call texture, activated as GL_TEXTURE0 and bound to sampler2D texture0 by default
glBindTexture(GL_TEXTURE_2D, batch->draws[i].textureId); glBindTexture(GL_TEXTURE_2D, batch->draws[i].textureId);
if ((batch->draws[i].mode == RL_LINES) || (batch->draws[i].mode == RL_TRIANGLES)) glDrawArrays(batch->draws[i].mode, vertexOffset, batch->draws[i].vertexCount); if ((batch->draws[i].mode == RL_LINES) || (batch->draws[i].mode == RL_TRIANGLES)) glDrawArrays(batch->draws[i].mode, vertexOffset, batch->draws[i].vertexCount);