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Assume GL_OES_texture_npot is supported by the GLES driver #40

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Assume GL_OES_texture_npot is supported by the GLES driver #40

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42 changes: 8 additions & 34 deletions blitzloop/renderer/gles.py
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Original file line number Diff line number Diff line change
Expand Up @@ -177,7 +177,6 @@
attribute vec3 coord;

uniform vec4 color;
uniform mat4 textransform;
uniform mat4 transform;

varying vec2 v_texcoord;
Expand All @@ -190,8 +189,7 @@
vec4 pos = vec4(coord.x, coord.y, coord.z, 1.0);
gl_Position = transform * pos;

vec4 texcoord = textransform * pos;
v_texcoord = texcoord.xy;
v_texcoord = vec2(coord.x, 1.0 - coord.y);
}
"""

Expand Down Expand Up @@ -399,42 +397,19 @@ def cleanup(self):

class TextureRenderer(SolidRenderer):
UNIFORMS = [
"tex", "color", "transform", "textransform"
"tex", "color", "transform"
]
VS = vs_texture
FS = fs_texture

def __init__(self, display):
SolidRenderer.__init__(self, display)
self.tmatrix = Matrix()

def setup(self):
SolidRenderer.setup(self)
gl.glUniform1i(self.l_tex, 0)

def draw(self, pos, size, tpos, tsize, color):
self.activate()
self.tmatrix.reset()
self.tmatrix.translate(*tpos)
self.tmatrix.scale(*tsize)
gl.glUniformMatrix4fv(self.l_textransform, 1, False, self.tmatrix.m.transpose())
SolidRenderer.draw(self, pos, size, color)

class ImageTexture(object):
def __init__(self, img_file, texture_renderer):
self.renderer = texture_renderer
self.image = PIL.Image.open(img_file).convert("RGBA")

self.tw = 1
while self.tw < self.width:
self.tw *= 2
self.th = 1
while self.th < self.height:
self.th *= 2

self.teximage = PIL.Image.new("RGBA", (self.tw, self.th), (0, 0, 0, 0))
self.teximage.paste(self.image, (0,0), self.image)
self.teximage = self.teximage.convert("RGBa") # premultiply alpha
self.image = PIL.Image.open(img_file).convert("RGBA").convert("RGBa")

self.texid = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.texid)
Expand All @@ -444,15 +419,15 @@ def __init__(self, img_file, texture_renderer):
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE)

try:
blob = self.teximage.tobytes()
blob = self.image.tobytes()
except AttributeError:
blob = self.teximage.tostring()
blob = self.image.tostring()

if glu is not None:
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 4, self.tw, self.th,
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 4, self.width, self.height,
gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, blob)
else:
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, self.tw, self.th,
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, self.width, self.height,
0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, blob)
gl.glGenerateMipmap(gl.GL_TEXTURE_2D)

Expand Down Expand Up @@ -480,8 +455,7 @@ def draw(self, x=0, y=0, width=1, height=None, alpha=1.0):

gl.glBindTexture(gl.GL_TEXTURE_2D, self.texid)

self.renderer.draw((x, y), (width, height), (0, self.height / self.th),
(self.width / self.tw, -self.height / self.th), color)
self.renderer.draw((x, y), (width, height), color)

def cleanup():
global _current_renderer
Expand Down