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Clean up glVertexAttribPointer calls a bit.

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--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2017-02-25 17:23:00 -04:00
parent b7dde8712a
commit f3f6b10ac8
10 changed files with 102 additions and 59 deletions
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src/modules/graphics/opengl/Graphics.cpp
+3 -32
View File
@@ -356,8 +356,7 @@ void Graphics::flushStreamDraws()
if (sbstate.formats[i] == CommonFormat::NONE)
continue;
GLsizei stride = (GLsizei) getFormatStride(sbstate.formats[i]);
usedsizes[i] = stride * sbstate.vertexCount;
usedsizes[i] = getFormatStride(sbstate.formats[i]) * sbstate.vertexCount;
love::graphics::StreamBuffer *buffer = sbstate.vb[i];
@@ -366,36 +365,8 @@ void Graphics::flushStreamDraws()
sbstate.vbMap[i] = StreamBuffer::MapInfo();
switch (sbstate.formats[i])
{
case CommonFormat::NONE:
break;
case CommonFormat::XYf:
attribs |= ATTRIBFLAG_POS;
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset));
break;
case CommonFormat::RGBAub:
attribs |= ATTRIBFLAG_COLOR;
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, BUFFER_OFFSET(offset));
break;
case CommonFormat::XYf_STf:
attribs |= ATTRIBFLAG_POS | ATTRIBFLAG_TEXCOORD;
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf, s)));
break;
case CommonFormat::XYf_STf_RGBAub:
attribs |= ATTRIBFLAG_POS | ATTRIBFLAG_TEXCOORD | ATTRIBFLAG_COLOR;
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf_RGBAub, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf_RGBAub, s)));
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf_RGBAub, color.r)));
break;
case CommonFormat::XYf_STus_RGBAub:
attribs |= ATTRIBFLAG_POS | ATTRIBFLAG_TEXCOORD | ATTRIBFLAG_COLOR;
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STus_RGBAub, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_UNSIGNED_SHORT, GL_TRUE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STus_RGBAub, s)));
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STus_RGBAub, color.r)));
break;
}
gl.setVertexPointers(sbstate.formats[i], offset);
attribs |= getFormatFlags(sbstate.formats[i]);
}
if (attribs == 0)
src/modules/graphics/opengl/OpenGL.cpp
+49
View File
@@ -26,6 +26,7 @@
#include "common/Exception.h"
#include "graphics/Graphics.h"
#include "graphics/Buffer.h"
// C++
#include <algorithm>
@@ -631,6 +632,54 @@ void OpenGL::useVertexAttribArrays(uint32 arraybits, uint32 instancedbits)
glVertexAttrib4f(ATTRIB_COLOR, 1.0f, 1.0f, 1.0f, 1.0f);
}
void OpenGL::setVertexPointers(vertex::CommonFormat format, size_t stride, size_t offset)
{
using namespace vertex;
switch (format)
{
case CommonFormat::NONE:
break;
case CommonFormat::XYf:
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset));
break;
case CommonFormat::RGBAub:
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, BUFFER_OFFSET(offset));
break;
case CommonFormat::XYf_STf:
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf, s)));
break;
case CommonFormat::XYf_STf_RGBAub:
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf_RGBAub, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf_RGBAub, s)));
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STf_RGBAub, color.r)));
break;
case CommonFormat::XYf_STus_RGBAub:
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STus_RGBAub, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_UNSIGNED_SHORT, GL_TRUE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STus_RGBAub, s)));
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, BUFFER_OFFSET(offset + offsetof(XYf_STus_RGBAub, color.r)));
break;
}
}
void OpenGL::setVertexPointers(vertex::CommonFormat format, size_t offset)
{
setVertexPointers(format, getFormatStride(format), offset);
}
void OpenGL::setVertexPointers(vertex::CommonFormat format, love::graphics::Buffer *buffer, size_t offset)
{
bindBuffer(BUFFER_VERTEX, (GLuint) buffer->getHandle());
setVertexPointers(format, offset);
}
void OpenGL::setVertexPointers(vertex::CommonFormat format, love::graphics::Buffer *buffer, size_t stride, size_t offset)
{
bindBuffer(BUFFER_VERTEX, (GLuint) buffer->getHandle());
setVertexPointers(format, stride, offset);
}
void OpenGL::setViewport(const Rect &v)
{
glViewport(v.x, v.y, v.w, v.h);
src/modules/graphics/opengl/OpenGL.h
+12
View File
@@ -44,6 +44,9 @@ namespace love
{
namespace graphics
{
class Buffer;
namespace opengl
{
@@ -209,6 +212,15 @@ public:
**/
void useVertexAttribArrays(uint32 arraybits, uint32 instancedbits = 0);
/**
* Calls glVertexAttribPointer appropriately for each attribute used in the
* specified format.
**/
void setVertexPointers(vertex::CommonFormat format, size_t offset);
void setVertexPointers(vertex::CommonFormat format, size_t stride, size_t offset);
void setVertexPointers(vertex::CommonFormat format, love::graphics::Buffer *buffer, size_t offset);
void setVertexPointers(vertex::CommonFormat format, love::graphics::Buffer *buffer, size_t stride, size_t offset);
/**
* Sets the OpenGL rendering viewport to the specified rectangle.
* The y-coordinate starts at the top.
src/modules/graphics/opengl/ParticleSystem.cpp
+4 -6
View File
@@ -52,6 +52,8 @@ ParticleSystem *ParticleSystem::clone()
void ParticleSystem::draw(Graphics *gfx, const Matrix4 &m)
{
using namespace vertex;
if (!prepareDraw(gfx, m))
return;
@@ -63,12 +65,8 @@ void ParticleSystem::draw(Graphics *gfx, const Matrix4 &m)
gl.bindTextureToUnit(texture, 0, false);
gl.prepareDraw();
gl.useVertexAttribArrays(ATTRIBFLAG_POS | ATTRIBFLAG_TEXCOORD | ATTRIBFLAG_COLOR);
gl.bindBuffer(BUFFER_VERTEX, (GLuint) buffer->getHandle());
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, color.r)));
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, s)));
gl.useVertexAttribArrays(getFormatFlags(CommonFormat::XYf_STf_RGBAub));
gl.setVertexPointers(CommonFormat::XYf_STf_RGBAub, buffer, 0);
GLsizei count = (GLsizei) quadIndices.getIndexCount(getCount());
GLenum gltype = OpenGL::getGLIndexDataType(quadIndices.getType());
src/modules/graphics/opengl/SpriteBatch.cpp
+7 -11
View File
@@ -53,6 +53,8 @@ SpriteBatch::~SpriteBatch()
void SpriteBatch::draw(Graphics *gfx, const Matrix4 &m)
{
using namespace vertex;
if (next == 0)
return;
@@ -70,19 +72,13 @@ void SpriteBatch::draw(Graphics *gfx, const Matrix4 &m)
// Make sure the VBO isn't mapped when we draw (sends data to GPU if needed.)
array_buf->unmap();
gl.bindBuffer(BUFFER_VERTEX, (GLuint) array_buf->getHandle());
CommonFormat format = CommonFormat::XYf_STf_RGBAub;
if (color == nullptr)
format = CommonFormat::XYf_STf;
uint32 enabledattribs = ATTRIBFLAG_POS | ATTRIBFLAG_TEXCOORD;
uint32 enabledattribs = getFormatFlags(format);
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, s)));
// Apply per-sprite color, if a color is set.
if (color)
{
enabledattribs |= ATTRIBFLAG_COLOR;
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, color.r)));
}
gl.setVertexPointers(format, array_buf, getFormatStride(CommonFormat::XYf_STf_RGBAub), 0);
for (const auto &it : attached_attributes)
{
src/modules/graphics/opengl/Text.cpp
+2 -8
View File
@@ -69,14 +69,8 @@ void Text::draw(Graphics *gfx, const Matrix4 &m)
gl.prepareDraw();
size_t stride = sizeof(Font::GlyphVertex);
gl.bindBuffer(BUFFER_VERTEX, (GLuint) vbo->getHandle());
glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, stride, BUFFER_OFFSET(offsetof(Font::GlyphVertex, x)));
glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_UNSIGNED_SHORT, GL_TRUE, stride, BUFFER_OFFSET(offsetof(Font::GlyphVertex, s)));
glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, BUFFER_OFFSET(offsetof(Font::GlyphVertex, color.r)));
gl.useVertexAttribArrays(ATTRIBFLAG_POS | ATTRIBFLAG_TEXCOORD | ATTRIBFLAG_COLOR);
gl.setVertexPointers(Font::vertexFormat, vbo, 0);
gl.useVertexAttribArrays(vertex::getFormatFlags(Font::vertexFormat));
const GLenum gltype = OpenGL::getGLIndexDataType(quadIndices.getType());
const size_t elemsize = quadIndices.getElementSize();