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Add support for GL_POINTS

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This commit is contained in:
Maicon Santana 2026-03-23 23:39:00 +00:00
commit 735ba4ef3e
2 changed files with 21 additions and 14 deletions
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20
src/rlgl.h
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@ -264,6 +264,7 @@
#define RL_TEXTURE 0x1702 // GL_TEXTURE
// Primitive assembly draw modes
#define RL_POINTS 0x0000 // GL_POINTS
#define RL_LINES 0x0001 // GL_LINES
#define RL_TRIANGLES 0x0004 // GL_TRIANGLES
#define RL_QUADS 0x0007 // GL_QUADS
@ -1455,6 +1456,7 @@ void rlBegin(int mode)
{
switch (mode)
{
case RL_POINTS: glBegin(GL_POINTS); break;
case RL_LINES: glBegin(GL_LINES); break;
case RL_TRIANGLES: glBegin(GL_TRIANGLES); break;
case RL_QUADS: glBegin(GL_QUADS); break;
@ -1487,7 +1489,8 @@ void rlBegin(int mode)
// It implies adding some extra alignment vertex at the end of the draw,
// those vertex are not processed but they are considered as an additional offset
// for the next set of vertex to be drawn
if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_LINES) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount < 4)? RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount : RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%4);
if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_POINTS) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = (4 - (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount & 3)) & 3;
else if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_LINES) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount < 4)? RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount : RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%4);
else if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_TRIANGLES) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount < 4)? 1 : (4 - (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%4)));
else RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = 0;
@ -1536,7 +1539,15 @@ void rlVertex3f(float x, float y, float z)
// Checking current draw.mode when a new vertex is required and finish the batch only if the draw.mode draw.vertexCount is %2, %3 or %4
if (RLGL.State.vertexCounter > (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementCount*4 - 4))
{
if ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_LINES) &&
if ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_POINTS) &&
(RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount != 0))
{
// Reached the maximum number of vertices for RL_POINTS drawing
// Launch a draw call but keep current state for next vertices comming
// NOTE: Adding +1 vertex to the check for some safety
rlCheckRenderBatchLimit(1 + 1);
}
else if ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_LINES) &&
(RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%2 == 0))
{
// Reached the maximum number of vertices for RL_LINES drawing
@ -1685,7 +1696,8 @@ void rlSetTexture(unsigned int id)
// It implies adding some extra alignment vertex at the end of the draw,
// those vertex are not processed but they are considered as an additional offset
// for the next set of vertex to be drawn
if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_LINES) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount < 4)? RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount : RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%4);
if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_POINTS) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = (4 - (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount & 3)) & 3;
else if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_LINES) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount < 4)? RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount : RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%4);
else if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_TRIANGLES) RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount < 4)? 1 : (4 - (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%4)));
else RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexAlignment = 0;
@ -3131,7 +3143,7 @@ void rlDrawRenderBatch(rlRenderBatch *batch)
// Bind current draw call texture, activated as GL_TEXTURE0 and bound to sampler2D texture0 by default
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_POINTS) || (batch->draws[i].mode == RL_LINES) || (batch->draws[i].mode == RL_TRIANGLES)) glDrawArrays(batch->draws[i].mode, vertexOffset, batch->draws[i].vertexCount);
else
{
#if defined(GRAPHICS_API_OPENGL_33)