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Fix OpenGL texture coordinate pointer not being updated when the array enabled state changes but the RenderTarget's cache state doesn't.

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binary1248 2017-09-29 22:53:53 +02:00 committed by Lukas Dürrenberger
parent b3d6e4811d
commit 516678fe1f
1 changed files with 16 additions and 13 deletions
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29
src/SFML/Graphics/RenderTarget.cpp
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@ -259,16 +259,6 @@ void RenderTarget::draw(const Vertex* vertices, std::size_t vertexCount,
if (states.shader)
applyShader(states.shader);
// If we pre-transform the vertices, we must use our internal vertex cache
if (useVertexCache)
{
// ... and if we already used it previously, we don't need to set the pointers again
if (!m_cache.useVertexCache)
vertices = m_cache.vertexCache;
else
vertices = NULL;
}
// Check if texture coordinates array is needed, and update client state accordingly
bool enableTexCoordsArray = (states.texture || states.shader);
if (enableTexCoordsArray != m_cache.texCoordsArrayEnabled)
@ -277,18 +267,30 @@ void RenderTarget::draw(const Vertex* vertices, std::size_t vertexCount,
glCheck(glEnableClientState(GL_TEXTURE_COORD_ARRAY));
else
glCheck(glDisableClientState(GL_TEXTURE_COORD_ARRAY));
m_cache.texCoordsArrayEnabled = enableTexCoordsArray;
}
// Setup the pointers to the vertices' components
if (vertices)
// If we switch between non-cache and cache mode or enable texture
// coordinates we need to set up the pointers to the vertices' components
if (!useVertexCache || !m_cache.useVertexCache)
{
const char* data = reinterpret_cast<const char*>(vertices);
// If we pre-transform the vertices, we must use our internal vertex cache
if (useVertexCache)
data = reinterpret_cast<const char*>(m_cache.vertexCache);
glCheck(glVertexPointer(2, GL_FLOAT, sizeof(Vertex), data + 0));
glCheck(glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(Vertex), data + 8));
if (enableTexCoordsArray)
glCheck(glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), data + 12));
}
else if (enableTexCoordsArray && !m_cache.texCoordsArrayEnabled)
{
// If we enter this block, we are already using our internal vertex cache
const char* data = reinterpret_cast<const char*>(m_cache.vertexCache);
glCheck(glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), data + 12));
}
// Find the OpenGL primitive type
static const GLenum modes[] = {GL_POINTS, GL_LINES, GL_LINE_STRIP, GL_TRIANGLES,
@ -309,6 +311,7 @@ void RenderTarget::draw(const Vertex* vertices, std::size_t vertexCount,
// Update the cache
m_cache.useVertexCache = useVertexCache;
m_cache.texCoordsArrayEnabled = enableTexCoordsArray;
}
}