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#!amber
# Copyright 2019 The Amber Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
SHADER vertex vs PASSTHROUGH
SHADER fragment fs GLSL
#version 430
layout(location = 0) out vec4 color_out;
void main() {
color_out = vec4(1.0, 0.0, 0.0, 1.0);
}
END
SHADER compute read_imagef OPENCL-C
kernel void foo(read_only image2d_t image, sampler_t sampler, global float4* out) {
int gid_x = get_global_id(0);
int gid_y = get_global_id(1);
int linear = 2 * gid_y + gid_x;
float2 coord = (float2)(gid_x, gid_y);
out[linear] = read_imagef(image, sampler, coord);
}
END
IMAGE texture DATA_TYPE vec4<float> DIM_2D WIDTH 2 HEIGHT 2 FILL 0.0
BUFFER out_buf DATA_TYPE vec4<float> DATA
2.0 2.0 2.0 2.0
2.0 2.0 2.0 2.0
2.0 2.0 2.0 2.0
2.0 2.0 2.0 2.0
END
SAMPLER sampler
PIPELINE compute read_pipe
ATTACH read_imagef ENTRY_POINT foo
BIND BUFFER out_buf KERNEL ARG_NAME out
BIND BUFFER texture KERNEL ARG_NAME image
BIND SAMPLER sampler KERNEL ARG_NAME sampler
END
PIPELINE graphics fill_red
ATTACH vs
ATTACH fs
FRAMEBUFFER_SIZE 2 2
BIND BUFFER texture AS color LOCATION 0
END
CLEAR_COLOR fill_red 0 0 3 3
CLEAR fill_red
RUN fill_red DRAW_RECT POS 0 0 SIZE 2 2
RUN read_pipe 2 2 1
EXPECT out_buf IDX 0 EQ 1.0 0.0 0.0 1.0
EXPECT out_buf IDX 16 EQ 1.0 0.0 0.0 1.0
EXPECT out_buf IDX 32 EQ 1.0 0.0 0.0 1.0
EXPECT out_buf IDX 48 EQ 1.0 0.0 0.0 1.0
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