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Some work towards OpenGL ES 2+ support for love 0.10.

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--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2015-01-19 23:32:16 -04:00
parent 1253e3aae1
commit 1124612c1f
12 changed files with 181 additions and 43 deletions
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src/modules/graphics/opengl/ParticleSystem.cpp
+8 -2
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@@ -64,6 +64,7 @@ ParticleSystem::ParticleSystem(Texture *texture, uint32 size)
, pHead(nullptr)
, pTail(nullptr)
, particleVerts(nullptr)
, ibo(1)
, texture(texture)
, active(true)
, insertMode(INSERT_MODE_TOP)
@@ -112,6 +113,7 @@ ParticleSystem::ParticleSystem(const ParticleSystem &p)
, pHead(nullptr)
, pTail(nullptr)
, particleVerts(nullptr)
, ibo(p.ibo)
, texture(p.texture)
, active(p.active)
, insertMode(p.insertMode)
@@ -196,6 +198,7 @@ void ParticleSystem::setBufferSize(uint32 size)
{
if (size == 0 || size > MAX_PARTICLES)
throw love::Exception("Invalid buffer size");
ibo = VertexIndex(size);
deleteBuffers();
createBuffers(size);
reset();
@@ -874,6 +877,7 @@ void ParticleSystem::draw(float x, float y, float angle, float sx, float sy, flo
}
texture->predraw();
gl.prepareDraw();
glEnableVertexAttribArray(ATTRIB_COLOR);
glEnableVertexAttribArray(ATTRIB_POS);
@@ -883,8 +887,10 @@ void ParticleSystem::draw(float x, float y, float angle, float sx, float sy, flo
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), &particleVerts[0].x);
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), &particleVerts[0].s);
gl.prepareDraw();
gl.drawArrays(GL_QUADS, 0, pCount * 4);
{
VertexBuffer::Bind ibo_bind(*ibo.getVertexBuffer());
gl.drawElements(GL_TRIANGLES, ibo.getIndexCount(pCount), ibo.getType(), ibo.getPointer(0));
}
glDisableVertexAttribArray(ATTRIB_TEXCOORD);
glDisableVertexAttribArray(ATTRIB_POS);