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Manually keep track of bound textures, so we don't have to poll each frame

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Patch submitted by slime73.
This commit is contained in:
Bart van Strien
2012-01-10 15:36:18 +01:00
parent 51d4553b7d
commit 2ac4a9e6d0
10 changed files with 33 additions and 26 deletions
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src/modules/graphics/opengl/Canvas.cpp
+11 -11
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@@ -77,12 +77,12 @@ namespace opengl
// generate texture save target
glGenTextures(1, &img);
glBindTexture(GL_TEXTURE_2D, img);
bindTexture(img);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
bindTexture(0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, img, 0);
@@ -96,7 +96,7 @@ namespace opengl
}
virtual void deleteFBO(GLuint framebuffer, GLuint depth_stencil, GLuint img)
{
glDeleteTextures(1, &img);
deleteTexture(img);
glDeleteRenderbuffers(1, &depth_stencil);
glDeleteFramebuffers(1, &framebuffer);
}
@@ -129,12 +129,12 @@ namespace opengl
// generate texture save target
glGenTextures(1, &img);
glBindTexture(GL_TEXTURE_2D, img);
bindTexture(img);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
bindTexture(0);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_2D, img, 0);
@@ -149,7 +149,7 @@ namespace opengl
virtual void deleteFBO(GLuint framebuffer, GLuint depth_stencil, GLuint img)
{
glDeleteTextures(1, &img);
deleteTexture(img);
glDeleteRenderbuffersEXT(1, &depth_stencil);
glDeleteFramebuffersEXT(1, &framebuffer);
}
@@ -339,7 +339,7 @@ namespace opengl
GLint gmin = (f.min == Image::FILTER_NEAREST) ? GL_NEAREST : GL_LINEAR;
GLint gmag = (f.mag == Image::FILTER_NEAREST) ? GL_NEAREST : GL_LINEAR;
glBindTexture(GL_TEXTURE_2D, img);
bindTexture(img);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gmin);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gmag);
@@ -349,7 +349,7 @@ namespace opengl
{
GLint gmin, gmag;
glBindTexture(GL_TEXTURE_2D, img);
bindTexture(img);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, &gmin);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, &gmag);
@@ -364,7 +364,7 @@ namespace opengl
GLint wrap_s = (w.s == Image::WRAP_CLAMP) ? GL_CLAMP_TO_EDGE : GL_REPEAT;
GLint wrap_t = (w.t == Image::WRAP_CLAMP) ? GL_CLAMP_TO_EDGE : GL_REPEAT;
glBindTexture(GL_TEXTURE_2D, img);
bindTexture(img);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_s);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_t);
}
@@ -372,7 +372,7 @@ namespace opengl
Image::Wrap Canvas::getWrap() const
{
GLint wrap_s, wrap_t;
glBindTexture(GL_TEXTURE_2D, img);
bindTexture(img);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, &wrap_s);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, &wrap_t);
@@ -420,7 +420,7 @@ namespace opengl
glMultMatrixf((const GLfloat*)t.getElements());
glBindTexture(GL_TEXTURE_2D, img);
bindTexture(img);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);