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Start work on rendering window borders

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Kovid Goyal
2016-11-28 13:38:13 +05:30
parent 655ec36091
commit b1e39dac02
7 changed files with 228 additions and 29 deletions
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36
kitty/shaders.py
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@@ -14,14 +14,16 @@ from .fast_data_types import (
glCreateShader, glShaderSource, glCompileShader, glGetShaderiv,
GL_COMPILE_STATUS, glGetShaderInfoLog, glGetUniformLocation,
glGetAttribLocation, glUseProgram, glBindVertexArray, GL_TEXTURE0,
GL_TEXTURE1, glGetIntegerv, GL_MAX_ARRAY_TEXTURE_LAYERS, glBufferData,
GL_TEXTURE1, glGetIntegerv, GL_MAX_ARRAY_TEXTURE_LAYERS, glNamedBufferData,
GL_MAX_TEXTURE_SIZE, glDeleteTexture, GL_TEXTURE_2D_ARRAY, glGenTextures,
glBindTexture, glTexParameteri, GL_CLAMP_TO_EDGE, glDeleteBuffer,
GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_WRAP_S,
GL_NEAREST, GL_TEXTURE_WRAP_T, glGenBuffers, GL_R8, GL_RED,
GL_UNPACK_ALIGNMENT, GL_UNSIGNED_BYTE, GL_STATIC_DRAW, GL_TEXTURE_BUFFER,
GL_RGB32UI, glBindBuffer, glPixelStorei, glTexBuffer, glActiveTexture,
glTexStorage3D, glCopyImageSubData, glTexSubImage3D, ITALIC, BOLD, SpriteMap
GL_UNPACK_ALIGNMENT, GL_UNSIGNED_BYTE, GL_STATIC_DRAW, GL_STREAM_DRAW,
GL_TEXTURE_BUFFER, GL_RGB32UI, GL_FLOAT, GL_ARRAY_BUFFER, glBindBuffer,
glPixelStorei, glTexBuffer, glActiveTexture, glTexStorage3D,
glCopyImageSubData, glTexSubImage3D, ITALIC, BOLD, SpriteMap,
glEnableVertexAttribArray, glVertexAttribPointer
)
GL_VERSION = (3, 3)
@@ -143,11 +145,8 @@ class Sprites:
self.buffer_texture_id = glGenTextures(1)
self.buffer_texture_unit = GL_TEXTURE1
def set_sprite_map(self, data):
tgt = GL_TEXTURE_BUFFER
glBindBuffer(tgt, self.buffer_id)
glBufferData(tgt, sizeof(data), addressof(data), GL_STATIC_DRAW)
glBindBuffer(tgt, 0)
def set_sprite_map(self, data, usage=GL_STREAM_DRAW):
glNamedBufferData(self.buffer_id, sizeof(data), addressof(data), usage)
def __enter__(self):
self.ensure_state()
@@ -175,7 +174,6 @@ class ShaderProgram:
"""
self.program_id = glCreateProgram()
self.is_active = False
vs_id = self.add_shader(vertex, GL_VERTEX_SHADER)
glAttachShader(self.program_id, vs_id)
@@ -192,6 +190,22 @@ class ShaderProgram:
glDeleteShader(vs_id)
glDeleteShader(frag_id)
self.vao_id = glGenVertexArrays(1)
self.buffers = {}
def add_vertex_array(self, name, size=3, dtype=GL_FLOAT, normalized=False, stride=0, offset=0):
glBindVertexArray(self.vao_id)
if name not in self.buffers:
self.buffers[name] = glGenBuffers(1)
glBindBuffer(GL_ARRAY_BUFFER, self.buffers[name])
aid = self.attribute_location(name)
glEnableVertexAttribArray(aid)
glVertexAttribPointer(aid, size, dtype, normalized, stride, offset)
glBindBuffer(GL_ARRAY_BUFFER, 0)
glBindVertexArray(0)
def send_vertex_data(self, name, data, usage=GL_STATIC_DRAW):
bufid = self.buffers[name]
glNamedBufferData(bufid, sizeof(data), addressof(data), usage)
def __hash__(self) -> int:
return self.program_id
@@ -230,9 +244,7 @@ class ShaderProgram:
def __enter__(self):
glUseProgram(self.program_id)
glBindVertexArray(self.vao_id)
self.is_active = True
def __exit__(self, *args):
glUseProgram(0)
glBindVertexArray(0)
self.is_active = False